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Auteur : Grafiati
Publié le 11 mars 2023

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1

Cvetkovic, Vesna, Luka Bjelica, Natasa Vukicevic et Jovan Jovicevic. « Alloy formation by Mg underpotential deposition on al from nitrate melts ». Chemical Industry and Chemical Engineering Quarterly 21, no 4 (2015) : 527–36. http://dx.doi.org/10.2298/ciceq141205009c.

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Magnesium was underpotentially deposited on aluminium electrodes from magnesium nitrate-ammonium nitrate melts at temperatures ranging from 390 K to 500 K. Electrochemical techniques used were linear sweep voltammetry and potential step. Electrodes were studied by Scanning electron microscopy (SEM), Energy dispersive spectrometry (EDS), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). It was found that reduction processes of nitrate, nitrite and water (when present), in the underpotential range studied, took part simultaneously with magnesium underpotential deposition. Consequently, magnesium UPD reduction and stripping voltammetry peaks were not pronounced and well defined. Nevertheless, EDS, EDX and XRD measurements showed evidence of Mg2Al3, MgAl2 and Al12Mg17 alloys formed by underpotential deposition of magnesium onto aluminium substrate.
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2

Hashimoto, R., E. S. K. Menon, M. Saunders et A. G. Fox. « Electron Energy-Loss and Energy Dispersive X-Ray Spectros-Copy Studies of Diffusion Bonded Cu-Al2O3 Interfaces ». Microscopy and Microanalysis 3, S2 (août 1997) : 993–94. http://dx.doi.org/10.1017/s1431927600011855.

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The metal-ceramic interface between copper and alumina has been studied by TEM, Electron Energy-Loss Spectroscopy (EELS), and Energy Dispersive X-ray spectroscopy (EDX). of partic-ular interest is the potential role of silicon which is the major impurity in commercial alumina. This investigation focuses on the presence and distribution of silicon within the bulk alumina and at the diffusion bonded CU-AI2O3 interface using a Topcon 002B TEM equipped with an EDAX EDX detector and a Gatan Imaging Filter. The interface was created under vacuum by diffusion bonding of 100/xm copper foils (99.999% purity) pressed between polished alumina substrates (∼99.5% purity) for several hours at ∼90% of the melting temperature of the metal.An initial investigation of the bulk AI2O3 indicated that the majority of the Si occurred at the triple points. A typical example is shown in Fig. la. EDX spectra acquired with a 6nm probe from the center of the junction (Fig. lbi) and at the grain boundary indicate that the Si wets the grain boundary to a limited extent.
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3

Höhne, Jens, Matthias Bühler, Theo Hertrich et Uwe Hess. « Cryodetectors for High Resolution X-Ray Spectroscopy ». Microscopy and Microanalysis 6, S2 (août 2000) : 740–41. http://dx.doi.org/10.1017/s1431927600036199.

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Based on excellent energy resolution and single quantum detection sensitivity, cryodetectors are offering a variety of new, analytical solutions for the analysis of elementary surface compositions, especially for the analysis of light elements and very small sized structures. Cryodetectors operate typically at temperatures between 30 and 200mK and require vibration free and fully automated cooling systems in order to qualify for industrial applications. Cryodetectors are low temperature superconductors where the two most prominent types are based on microcalorimeter and tunnel diode principles. Cryodetectors are mainly employed for surface analysis applications as energy dispersive X-ray spectrometers with energy resolutions of less than 15eV, but may also be used as highly sensitive UV, VIS or even mass spectrometers in the future.Conventional EDX detectors are semiconductors. An impinging X-ray quantum creates a number of electronhole pairs dependent on the energy of the triggering event thus allowing energy dispersive measurements. The performance limit of semiconductor detectors has almost been reached and is determined by the excitation energy necessary to create electron-hole pairs.
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Zhuiykov, Serge, Eugene Kats, Tomoaki Sato, Hiroshi Ikeda et Norio Miura. « Development of quasi-two-dimensional Nb2O5 nanoflakes with thickness-depended electro-chemical properties ». Functional Materials Letters 08, no 01 (février 2015) : 1550007. http://dx.doi.org/10.1142/s1793604715500071.

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Quasi-two-dimensional (Q2D) Nb 2 O 5 nanoflakes were synthesized by combined sol–gel/exfoliation method with the average thickness of 10–25 nm. Their structural, surface- and electro-chemical properties were closely studied and analyzed by X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), conductive atomic force microscopy (AFM), Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy techniques.
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5

Álvarez, Loisangela, Blanca Rojas de Gascue, Rolando J. Tremont, Edgar Márquez et Euclides J. Velazco. « Synthesis and Characterization of a New Aluminum-Doped Bismuth Subcarbonate ». Crystals 9, no 9 (6 septembre 2019) : 466. http://dx.doi.org/10.3390/cryst9090466.

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A new compound, Bi2O2CO3:Al, was synthesized by the coprecipitation method. The characterization was done by X-ray diffraction (XRD), Fourier transformed infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), electronic scanning microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX). The characterization methods allowed to identify the Bi2O2CO3:Al compound, such as the Al-doped Bi2O2CO3 by XRD, the anionic part (CO32−) by FTIR, and the presence of aluminum in the compound by XPS and EDX. It was confirmed to have a nanostructure like a nanosheet and a microstructure that resembles a type sponge by SEM.
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Wang, Bai Bin, et Wein Duo Yang. « Study of Terbium-Doped Barium Zirconate ( BaZrO3:Tb3+ ) and Cerium-Doped Strontium Zirconate ( SrZrO3:Ce3+ ) and Europium-Doped Calcium Zirconate ( CaZrO3:Eu3+ ) Phosphors ». Advanced Materials Research 679 (avril 2013) : 3–8. http://dx.doi.org/10.4028/www.scientific.net/amr.679.3.

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This Study Successfully Synthesized Terbium-Doped Barium Zirconate Phosphor and Cerium-Doped Strontium Zirconate Phosphor and Europium-Doped Calcium Zirconate Phosphor Using the Sol-Gel Method. we Employed X-Ray Powder Diffraction ( XRD ) and Energy-Dispersive X-Ray Spectroscopy ( EDX ) and Photoluminescence Spectroscopy ( PL ) to Analyze the Crystal Characteristics and Element Composition and Spectral Characteristics of Three Phosphors.
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Holzinger, Angelika, Gregor Neusser, Benjamin J. J. Austen, Alonso Gamero-Quijano, Grégoire Herzog, Damien W. M. Arrigan, Andreas Ziegler, Paul Walther et Christine Kranz. « Investigation of modified nanopore arrays using FIB/SEM tomography ». Faraday Discussions 210 (2018) : 113–30. http://dx.doi.org/10.1039/c8fd00019k.

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FIB/SEM tomography and energy dispersive X-ray (EDX) spectroscopy are employed to study the interface between two immiscible electrolyte solutions at nanopore arrays, which were electrochemically modified by silica.
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8

AL-Husseini, A. H., B. T. Sih et A. M. Al-Araji. « Green synthesis of iron oxide nanoparticles (Fe2O3) using saffron extract ». Journal of Physics : Conference Series 2114, no 1 (1 décembre 2021) : 012082. http://dx.doi.org/10.1088/1742-6596/2114/1/012082.

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Abstract In this study, iron oxide nanoparticles were prepared using saffron plant extract, and the prepared particles were diagnosed using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray resolution (EDX), infrared spectroscopy (FTIR) and ultraviolet-visible spectroscopy (UV–Vis). This method falls within the green chemistry, an environmentally friendly method and at a lower cost than other methods
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9

Ben Abdessalem, M., S. Chkoundali, A. Oueslati et A. Aydi. « AC conductivity and phase transition of the BST–BFO ceramic doped with Yb ». RSC Advances 12, no 42 (2022) : 27154–61. http://dx.doi.org/10.1039/d2ra03371b.

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The homogeneity of the 0.8(Ba0.8Sr0.2)TiO3–0.2(Bi0.85Yb0.15)FeO3 ceramic, prepared by a solid-state process, was studied and quantitatively analyzed by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX).
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10

Agorku, Eric S., Bhekie B. Mamba, Avinash C. Pandey et Ajay K. Mishra. « Sulfur/Gadolinium-Codoped TiO2Nanoparticles for Enhanced Visible-Light Photocatalytic Performance ». Journal of Nanomaterials 2014 (2014) : 1–11. http://dx.doi.org/10.1155/2014/289150.

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A series of S/Gd3+-codoped TiO2photocatalysts were synthesized by a modified sol-gel method. The materials were characterized by X-ray diffraction (XRD), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), UV-visible diffuse reflectance spectroscopy, scanning electron microscopy (SEM)/energy-dispersive X-ray spectroscopy (EDX), and transmission electron microscopy (TEM)/energy-dispersive spectroscopy (EDS). Laboratory experiments with Indigo Carmine chosen as a model for organic pollutants were used to evaluate the photocatalytic performance of S/Gd3+-codoped TiO2under visible-light with varying concentrations of Gd3+ions in the host material. XRD and Raman results confirmed the existence of anatase phase TiO2with particle size ranging from 5 to 12 nm. Codoping has exerted a great influence on the optical responses along with red shift in the absorption edge. S/Gd3+-codoped TiO2showed significant visible-light induced photocatalytic activity towards Indigo Carmine dye compared with S-TiO2or commercial TiO2. TiO2-S/Gd3+(0.6% Gd3+) degraded the dye (ka= 5.6 × 10−2 min−1) completely in 50 min.
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11

Tepsuan, Kunyaporn, et Sutham Niyomwas. « Synthesis of Fe-Al2O3 Composite by High-Frequency Induction-Heated Combustion ». Advanced Materials Research 748 (août 2013) : 36–40. http://dx.doi.org/10.4028/www.scientific.net/amr.748.36.

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The Fe-Al2O3 composite has been prepared by high-frequency induction heated combustion synthesis (HFIHCS) from Fe2O3 and Al powders. The standard Gibbs energy minimization method was used to calculate the equilibrium compositions of the reacting species. The composition and microstructure of HFIHCS products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX).
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12

Voyta, L. L., V. S. Zazhigin et A. A. Miroljubov. « Comparative analysis of shrew tooth pigmentation using energy-dispersive X-ray spectroscopy (EDX) ». Proceedings of the Zoological Institute RAS 323, no 3 (1 octobre 2019) : 347–63. http://dx.doi.org/10.31610/trudyzin/2019.323.3.347.

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The pigment of tooth enamel is an important odontological character for character for assessing Soricidae taxonomy and phylogeny. This paper describes the original observations of ‘pigment patterns’ (PPt) and ‘visible pigment’ (VPg) in fossil beremendiin shrews in light of the “differential pigmentation” found using UV detection and EDX analysis. The term “differential pigmentation” was used to describe the irregular pigmentation on the teeth of extinct Nesiotites (Neomyini). Our analysis of fossil and recent specimens reveals different reasons for differential pigmentation formation. The first reason is related to fossilization, namely, the chemical alterations of the buried specimen. The second reason is related to a developmental disorder, namely, the enamel organ disorder, which locally stops forming the twin enamel layer. Our original results and published data from EDX analysis of the enamel elemental content and SEM-image analysis of the enamel microstructure again raise the question of a relationship between ferruginous pigmentation and enamel microstructure. Further studies of the enamel structure and pigment chemical composition of red-toothed shrews compared to white-toothed shrews are required.
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Daniel, Sam N., C. I. Anish, G. Sabeena, S. Rajaduraipandian, S. Gandhimathi, G. Annadurai et Rajan M. Jaya. « Synthesis and Characterization of TiO2-CeO2 (TiO2-Ce) Nanocomposite : Testing its Antibacterial Effect ». Research Journal of Chemistry and Environment 25, no 10 (25 septembre 2021) : 13–19. http://dx.doi.org/10.25303/2510rjce1319.

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TiO2-CeO2 (TiO2-Ce) nanocomposites were synthesized by sol–gel route using chemical method. The crystalline nanocomposites were obtained after calcination at 600 °C for 6 hours. N2-BET study revealed the huge surface area (0.03 cm2g-1) and pore size (2.28 nm) of TiO2 which decreased after impregnation of Ceria. In the Scanning Electron Microscopy analysis, particles were found to be of spherical shape. The energy dispersive X-ray (EDX) spectrum of TiO2-CeO2 (TiO2-Ce) nanocomposite showed Ti, O and Ce peaks obviously found in the spectra, confirming the presence of cerium and titanium. The agar well diffusion assay is used to confirm the inhibition zone of bacteria. The TiO2-CeO2 (TiO2-Ce) nanocomposite showed the antibacterial activity when tested against the pathogens gram negative bacteria such as Pseudomonas. Further the synthesized nanocomposite was characterized by using X-ray powder diffraction (XRD), Scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDX), Brunauer- Emmett-Teller (BET) method using N2 adsorption– desorption studies, UV–Visible absorption spectroscopy (UV), Fourier transform infrared spectroscopy (FTIR).
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Lund, Mark W. « More than One Ever Wanted To Know About X-Ray Detectors Part 3 : Who Put Promethium in My Soup ? » Microscopy Today 3, no 2 (mars 1995) : 3–4. http://dx.doi.org/10.1017/s1551929500063045.

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The combination of electron microscope and x-ray spectrometer is a very powerful tool. Not only can one see a sample in great detail, but one can determine, and even map, the chemical elements, in Part 1, I discussed some of the basics of energy dispersive x-ray spectroscopy (EDS, EDX). In Part 2,1 went into detail about the construction of the detector, and discussed counting statistics. In this installment I will discuss the interaction between the x-ray and the detecting crystal, things that can go wrong in the process, and the phenomena which can make false peaks in a spectrum.
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15

Soundararajan, S. P., M. Murugan, K. Mohanraj, Babu Balraj et Tamiloli Devendhiran. « Growth and characterization of spray pyrolysis via deposited Copper oxide thin film ». Nanoscale Reports 1, no 2 (30 août 2018) : 9–12. http://dx.doi.org/10.26524/nr1822.

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In this work the copper oxide thin films have been coated using Jet nebulizer spray pyrolysis technique. The prepared CuO thin films were characterized by various techniques such as X-ray diffraction (XRD), Scanning Electron Microscope (SEM) and Energy dispersive X-ray spectroscopy (EDX) techniques, in order to study its crystalline nature, particle size and the band gap respectively.
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16

Bykov, V. A., T. V. Kulikova, K. Yu Shunyaev et A. B. Shubin. « Thermal Expansion of Cu-Ga-Sn Alloys ». Defect and Diffusion Forum 353 (mai 2014) : 137–42. http://dx.doi.org/10.4028/www.scientific.net/ddf.353.137.

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The thermal and microstructural properties of five copper-gallium-tin alloys (Cu-Ga-Sn) and two important intermetallic compounds Cu3Sn and CuGa2 have been investigated by dilatometry, scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction. The temperature dependence of thermal expansion and coefficient of linear thermal expansion (CLTE) were obtained.
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McCarthy, J. J., et D. J. McMillan. « Application of X-Ray Optics to Energy Dispersive Spectroscopy ». Microscopy and Microanalysis 4, S2 (juillet 1998) : 178–79. http://dx.doi.org/10.1017/s1431927600021012.

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The application of x-ray optics for focusing x-rays into high intensity spots or for collimation of x-ray beams has been reported by several authors. Example applications for x-ray optics include microfluorescence, microdiffraction, tomography and lithography, and WDS. Kirkland et al. pointed out that the use of an optic, in a collimating configuration could provide enhanced detection sensitivity in wavelength dispersive spectroscopy. In these proceedings last year, Agnello et al. presented data from a new WDS device specifically designed to use a grazing incidence collimating x-ray optic that confirmed and extended the work of Kirkland.A few studies have appeared reporting the use X-ray optics in applications using EDS. Focusing x-ray optics have been used on both the excitation and detection side of EDS systems. In a series of papers, Carpenter and his collaborators describe an x-ray microprobe which uses capillary optics to provide an intense convergent beam of x-rays from a microfocus x-ray tube to excite the sample for x-ray microfluorescence studies. Wollman et al.
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Asgari-Fard, Zahra, Mohammad Sabet et Masoud Salavati-Niasari. « Synthesis and Characterization of Strontium Carbonate Nanostructures via Simple Hydrothermal Method ». High Temperature Materials and Processes 35, no 2 (1 février 2016) : 215–20. http://dx.doi.org/10.1515/htmp-2014-0232.

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AbstractStrontium carbonate (SrCO3) nanostructures were synthesized via simple hydrothermal method by Sr(NO3)2, ethylenediamine and hydrazine as reagents. The products were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and Fourier transform infrared spectroscopy (FT-IR). Different parameter’s effects on the product size and morphology were investigated. It was found that reagent concentration, reaction time and temperature play key roles in morphology of the obtained product.
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Srithar, A., J. C. Kannan et T. S. Senthil. « Synthesis, structural and optical properties of Mn doped ZnO nanoparticles and their antibacterial application ». JOURNAL OF ADVANCES IN CHEMISTRY 12, no 12 (15 juin 2016) : 4593–600. http://dx.doi.org/10.24297/jac.v12i12.803.

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In the present investigation, MnxZn1-xO (x = 0.05, 0.075 and 0.1%) nanoparticles have been synthesized by simple precipitation method. Their structural, morphological and optical properties were examined by using X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), Energy dispersive X-ray spectroscopy (EDX), High resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, Differential scanning calorimetry (DSC) and UV-Visible spectroscopy. The Powder X-ray diffraction studies confirmed that the manganese doped ZnO have a single phase nature with hexagonal wurtzite structure and Mn successfully incorporated into the lattice position of Zn in ZnO lattice. The FESEM and HRTEM images are coincided with each other for aggregation of particles in nature. The elemental analysis of doped samples has been evaluated by EDX. The antibacterial activity of Mn doped ZnO nanoparticles has also been examined.
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Maldonado-Luna, Nadja, Sonia Bailón-Ruiz, Myrna Reyes-Blas et Oscar J. Perales-Perez. « Synthesis and characterization of Se-based nanoparticles as potential generators of reactive oxygen species ». MRS Advances 4, no 07 (2019) : 419–24. http://dx.doi.org/10.1557/adv.2019.137.

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ABSTRACTThis work presents the synthesis of selenium-based nanoparticles via microwave-assisted heating and their subsequent characterization using UV-vis Spectroscopy (UV-Vis), high-resolution transmission electron microscopy (HRTEM), and energy-dispersive X-ray spectroscopy (EDX), techniques. Ongoing research includes the study of the nanoparticles capacity to generate reactive oxygen species (ROS).
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McCarthy, Jon J., et David J. McMillan. « Application of X-ray Optics to Energy-Dispersive Spectroscopy ». Microscopy and Microanalysis 4, no 6 (décembre 1998) : 632–41. http://dx.doi.org/10.1017/s1431927698980618.

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X-ray optics have been used in X-ray analytical instruments for several years. Applications of X-ray optics have been reported in X-ray diffraction, X-ray fluorescence, and wavelength dispersive spectroscopy. X-ray optics have been used to increase the X-ray flux incident on the sample or to direct and focus emitted X-rays from a sample. We report here the use of a grazing incidence optic (GIO) as a flux-enhancing collimator for use with an energy-dispersive (ED) detector used to perform electron beam microanalysis. We found that the GIO in combination with an ED spectrometer (EDS) provides substantial intensity gain for X-ray lines with energy below 1 keV. The GIO is also found to provide a modest focus effect, and introduces minimal spectral artifacts.
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Shi, Xiao Shuang, Qing Yuan Wand, Lang Li et Tao Long. « Properties of Environmental Friendly Concrete Containing Recycled Coarse Aggregate and Fly Ash ». Applied Mechanics and Materials 368-370 (août 2013) : 957–62. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.957.

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Six mixtures with different ratios (0%, 50% and 100%) were designed to investigate the compressive strength, elastic modulus and Poissons ratio of geopolymeric recycled concrete (GRC). The mechanical properties and failure mechanism of recycled concrete (RAC) and GRC were tested and discussed by scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDX). The results show that, GRC concretes are stronger than RAC concretes due to different reaction products and better microstructure in interfacial transition zones (ITZs). The EDX results show that the higher compressive strength with higher Si/Al ratio.
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Mai Hung Thanh, Tung, Dong Thanh Dong, Quoc Nguyen Tri, The Do Minh, Phuong Tran Thi Thu, Hien Tran Thi Thu, Chi Nguyen Thi Phuong Le, Dieu Phan Thi et Cam Nguyen Thi Dieu. « Synthesis of g-C3N4/InVO4 materials as novel photocatalysts for degradation of antibiotics under visible light ». Vietnam Journal of Catalysis and Adsorption 10, no 2 (30 juillet 2021) : 49–53. http://dx.doi.org/10.51316/jca.2021.027.

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Novel g-C3N4/InVO4 materials were synthesized by a fabricated via hydrothermal and heating methods. The physicochemical properties of the photocatalysts were investigated by X-ray diffraction (XRD), infrared spectroscopy (IR), Photoluminescence spectroscopy (PL), UV-Vis diffuse reflectance spectroscopy (UV-Vis-DRS) and Energy dispersive X-ray spectroscopy (EDX). The photocatalytic performances were evaluated by degradation of tetracycline (TC). The g-C3N4/InVO4 composite at a weight ratio of 10 % exhibited the most excellent photocatalytic activity for TC degradation under visible irradiation which was more active than that of pure components.
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Shi, Qing Shan, Shao Zao Tan, You Sheng Ouyang, Qiu Hui Yang, Ai Mei Chen, Wen Ru Li, Xiu Lin Shu, Jing Feng, Jin Feng et Yi Ben Chen. « Structure and Antibacterial Activity of Copper-Carried Zirconium Phosphates ». Advanced Materials Research 150-151 (octobre 2010) : 852–56. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.852.

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Copper-carried zirconium phosphates (CuZrPs) were prepared by introducing copper ions into sodium zirconium phosphate (ZrP) through an ion-exchange method, and characterized by energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). The antibacterial activity and water resistance of CuZrPs were also investigated. The research results indicated that CuZrP-3 containing 10.86 mass% of copper exhibited excellent antibacterial activity and water resistance.
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Goldberg, J., H. Gonzalez, T. E. Jensen et W. A. Corpe. « Quantitative elemental analysis of bacterial polyphosphate bodies using scanning transmission electron microscopy and energy-dispersive x-ray spectroscopy ». Proceedings, annual meeting, Electron Microscopy Society of America 54 (11 août 1996) : 802–3. http://dx.doi.org/10.1017/s0424820100166476.

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The elemental composition of polyphosphate bodies (PPB's) has been determined qualitatively previously using energy dispersive x-ray spectrometers (EDX) and in bodies isolated from cells. In this present study we determine in several bacteria their quantitative elemental composition using EDX in conjunction with a STEM.Bacteria were grown as previously described or were collected from natural sources. Portions of each sample were air dried on formvar coated grids. Separate samples were fixed and embedded in Epon. For x-ray analysis cells of interest were first located using the TEM mode. The microscope was then switched to the STEM mode. Analysis of cell components was carried out in the spot mode (75 kV) of the STEM. The spot diameter at 100,000x is approximately 20nm. The objective lens current was adjusted so a total x-ray count of 600 to 1,000 cps was attained for the 100 sec. count time. Spectra were collected on a PGT IMIX (EDX). The data was analyzed using a bulk sample analysis program (ZAF method) in standardless mode (w/w). Latex spheres of known density (1.05 g per cu cent) and volume were analyzed to obtain a standard (mass/weight).
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Wardhani, Gladys Ayu Paramita Kusumah, Nurlela Nurlela et Mia Azizah. « Silica Content and Structure from Corncob Ash with Various Acid Treatment (HCl, HBr, and Citric Acid) ». Molekul 12, no 2 (30 novembre 2017) : 174. http://dx.doi.org/10.20884/1.jm.2017.12.2.382.

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In this study, a simple method to obtain silica from corncob ash has been investigated using a nonthermal and thermal method. The Nonthermal method was done by various acid treatment with HCl, HBr and citric acid at room temperature. Thermal method was performed for HCl-leached, HBr-leached, and citric acid-leached corncob in the furnace at 750 ºC for 5 hours. Corncob ash was characterized by Energy Dispersive X-ray fluorescence spectroscopy (EDXRF), Fourier transforms infrared spectroscopy (FTIR), X-Ray diffraction (XRD), and Scanning electron microscope-electron dispersive X-ray (SEM-EDX). In this study silica content increase after acid treatment (leaching) and combustion at high temperatures. The result established that silica is most obtained with HCl treatment that is equal to 79,95% with lower metallic oxide impurity content. The FTIR spectra with different intensity shows silanol group at 1636 – 1641 cm-1, whereas siloxane group at 1037 – 1106 cm-1, 616–797 cm-1, and 459–469 cm-1. X-Ray diffractogram shows silica transition pf amorphous (2θ = 21 - 25º) to quartz crystalline (2θ = 26.66º) phase. The surface morphology of silica that characterized with SEM-EDX shows amorphous and crystalline silica corresponds to XRD result. The high intensity spectra of Si and O in EDX shows the presence of silica in corncob ash.
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Sun, Fangjing, Yi Zhang, Jiawei Zhang, Xixi Yan, Xiaoyu Liu et Lijun Wang. « Preparation of ultrafine iron phosphate micro-powder from phosphate slag ». MATEC Web of Conferences 238 (2018) : 02002. http://dx.doi.org/10.1051/matecconf/201823802002.

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In this experiment, ultrafine iron phosphate micro-powder was prepared by hydrothermal method which used phosphate slag as an iron source. The effects of reaction temperature, surfactants type and amount on its particle size were explored. The samples were characterized by using Malvern Laser Particle Size Analyzer (MS2000), X-Ray Diffractometer (XRD), Scanning Electron Microscope (SEM) and Energy Dispersive X-Ray Spectroscopy (EDX).The results showed that at 160 °C, 1 wt%CTAB, monoclinic iron phosphate micro-powder was obtained with an average particle size about 0.4 μm which also has a good dispersion in aqueous solution.
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Košťúr, Roman, et Matilda Zemanová. « Identification of corrosion products on iron artefact from Bratislava castle ». Acta Chimica Slovaca 14, no 1 (1 janvier 2021) : 1–6. http://dx.doi.org/10.2478/acs-2021-0001.

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Abstract Corrosion layers of an iron artefact were characterized to study long-term exposition of iron in Slovakia. The iron artefact from Bratislava castle has been coated with a strong layer of corrosion products and masonry residues. Corrosion products were characterized by different methods including energy-dispersive X-ray spectroscopy (EDX), X-Ray diffraction (XRD), and µ-Raman Spectroscopy. Magnetite and goethite on the surface are confirmed typical corrosion products from long-term atmospheric exposure in environment with corrosivity category C-2 (low).
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Chen, Yusheng, et Jeremy L. Schlarb. « Steel Cord–Rubber Adhesion with SEM/EDX ». Tire Science and Technology 46, no 1 (1 janvier 2018) : 27–37. http://dx.doi.org/10.2346/tire.18.460102.

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ABSTRACT Brass-coated steel cords are widely used as reinforcement material for rubber composites. The adhesion between steel cord and rubber is critical throughout the lifetime use of steel cord/rubber composites; thus, the adhesion mechanism has been a focus of the rubber industry for several decades. Various modern analytical instruments, such as X-ray spectroscopy and mass spectroscopy, have been applied to the study of this bonding interface. In this paper, scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX) was used to research the morphology of the steel cord surface and the adhesion mechanism. According to these morphology testing results, the rubber residue bands were observed be orientated and located mostly in Cu/Zn void areas. Further research reveals that macro-structure adhesion layer leads to interlocking mechanism for rubber residue.
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Sundaresan, Ruspika, Vinitha Mariyappan, Shen-Ming Chen, Saranvignesh Alagarsamy et Muthumariappan Akilarasan. « Fabrication of a New Electrochemical Sensor Based on Bimetal Oxide for the Detection of Furazolidone in Biological Samples ». Micromachines 13, no 6 (31 mai 2022) : 876. http://dx.doi.org/10.3390/mi13060876.

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This study utilized a simple hydrothermal method to synthesize nickel molybdenum oxide (NMO) for the detection of furazolidone (FZE). Our synthesized NMO was characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), field emission scanning electron spectroscopy (FE-SEM), and energy dispersive X-ray spectroscopy (EDX). The cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were used to detect the FZE. Under optimized conditions, the obtained results showed that the NMO had an excellent electrocatalytic property towards FZE. As a result, NMO/GCE showed a good linear range of 0.001–1765 µM, an excellent detection limit (LOD) of 0.02 µM, and sensitivity of 0.2042 µA µM−1 cm−2.
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Cabassi, Riccardo, Davide Delmonte, Muna Mousa Abbas, Ali Razzak Abdulridha et Edmondo Gilioli. « The Role of Chemical Substitutions on Bi-2212 Superconductors ». Crystals 10, no 6 (1 juin 2020) : 462. http://dx.doi.org/10.3390/cryst10060462.

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We present a study on the correlation of the superconducting critical temperature (Tc) and structural morphology with a chemically substituted high-temperature superconductor (HTS) (Bi,Pb)-2212 via Powder X-ray Diffraction (PXRD), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), and d c magnetometry. The elements Zn, Y, Ti, and Nd are incorporated within the bismuth cuprate structure at amounts that extend the ranges currently found in literature.
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Sayahi, Mohammad Hosein, Asma Sepahdar, Farokh Bazrafkan, Farzaneh Dehghani, Mohammad Mahdavi et Saeed Bahadorikhalili. « Ionic Liquid Modified SPION@Chitosan as a Novel and Reusable Superparamagnetic Catalyst for Green One-Pot Synthesis of Pyrido[2,3-d]pyrimidine-dione Derivatives in Water ». Catalysts 13, no 2 (28 janvier 2023) : 290. http://dx.doi.org/10.3390/catal13020290.

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In this paper, the chitosan-functionalized ionic liquid is modified with superparamagnetic iron oxide nanoparticles to form a novel and reusable catalyst (SPION@CS-IL), which was carried out using an ultrasonic promoted approach. Transmission electron microscopy (TEM), vibrating-sample magnetometer (VSM), energy-dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), and thermogravimetric analysis (TGA) are some of the techniques that are used to fully characterize SPION@CS-IL. The created nanoparticles were discovered to be a reusable heterogeneous superparamagnetic catalyst for the environmentally friendly one-pot synthesis of pyrido[2,3-d]pyrimidine derivatives using a simple three-component reaction approach involving thiobarbituric acid, 4-hydroxy coumarin, and various aromatic aldehydes. The method is studied by performing the reaction under ultrasonic irradiation, while the approach is a “green” method, it uses water as the solvent. The isolated yields of the synthesized products are very advantageous. The catalyst has outstanding reusability and is easily removed from the products via filtration (5 runs). Short reaction times, low catalyst loadings, the nanocatalyst’s capacity to be recycled five times, and the absence of harmful chemical reagents are all significant benefits of this environmentally benign process.
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Ong, Wei, Ho Mui Yen, Peck Loo Kiew, Teck Hock Lim, Khok Lun Leong, Shuan Yao Tan et Jin Xiang Lim. « In<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Reduced Graphene Oxide Nanostructure as Composite Electrodes for Supercapacitors ». Key Engineering Materials 936 (14 décembre 2022) : 63–71. http://dx.doi.org/10.4028/p-bb4r2i.

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In this study, a novel reduced graphene oxide, indium (III) oxide, and molybdenum disulfide (rGO/In2O3/MoS2) ternary composite for supercapacitor electrode application was developed via green hydrothermal synthesis. The topography, surface morphology, crystalline structure, phase identification and molecular structure of the composites were examined by applying Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDX), Transmission Electron Microscopy (TEM), X-ray Diffraction Spectroscopy (XRD), X-Ray Photoelectron Spectroscopy (XPS), and Raman Spectroscopy. SEM and TEM reveal the uniform dispersion of In2O3 nanoparticles on the rGO and MoS2 sheets. EDX, XRD, and XPS analysis confirm the coexistences of rGO, In2O3, and MoS2, and hence the composite formation. The electrochemical performances of rGO/In2O3/MoS2 ternary composite were evaluated by cyclic voltammetry (CV) in two-electrode configuration in 1 M sodium sulfite (Na2SO3) aqueous electrolyte. The electrochemical results show that the rGO/In2O3/MoS2 composite electrodes possess improved specific capacitance of 77 F/g at a scan rate of 25 mV/s, a modest 29% enhancement over pure In2O3 and In2O3/MoS2 binary composite.
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Fu, Li, Yuhong Zheng, Zhuxian Fu, Wen Cai et Jinpin Yu. « Synthesis of Ag decorated graphene-hierarchical TiO2 nanocomposite with enhanced photocatalytic activity ». Functional Materials Letters 08, no 04 (août 2015) : 1550036. http://dx.doi.org/10.1142/s1793604715500368.

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Reduced graphene oxide (RGO) wrapped TiO 2/ Ag ternary nanocomposite was synthesized via a wet chemical method. The synthesized nanocomposite was characterized using UV-Vis spectroscopy, Raman spectroscopy, photoluminescence spectroscopy, Scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDX) and X-ray Diffraction (XRD). The average size of RGO wrapped TiO 2 and deposited Ag nanoparticles were 3.2 μm and 48 nm, respectively. Due to the highly facilitated electron transport by the synergistic effect between RGO sheets and Ag nanoparticles, the TiO 2/ RGO / Ag nanocomposite exhibited a significant enhancement of photocatalytic activity towards degradation of methylene blue under UV light.
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Pham Thi, Thu Hanh, Viet Binh Le, Ngoc Son Nguyen et Thi Huong Nguyen. « Synthesis of ZnO/CuO Nanocomposite by Ultrasound Assisted Co-Precipitation Process using Rambutan Peel Extract ». Asian Journal of Chemistry 34, no 9 (2022) : 2217–21. http://dx.doi.org/10.14233/ajchem.2022.23790.

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In this study, ZnO/CuO nanocomposites were synthesized by a ultrasound assisted co-precipitation method. Green synthesis of ZnO/CuO nanocomposite using rambutan peel extract as an efficient stabilizer agent has been investigated. Biosynthesized ZnO/CuO nanocomposites were characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FT-IR), field emission electron microscopy (FESEM), energy dispersive X-ray (EDX) and UV-Vis spectroscopy. The FESEM result showed the size of nanocomposite was 30-100 nm and had the band gap ennergy of 2.37 eV.
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Höhne, Jens, Matthias Bühler, Theo Hertrich et Uwe Hess. « Applications of High Resolution Microcalorimeter Type X-Ray Spectrometers in Material Analysis ». Microscopy and Microanalysis 6, S2 (août 2000) : 756–57. http://dx.doi.org/10.1017/s1431927600036278.

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As the semiconductor industry further shrinks feature sizes, new analytical solutions are required for elemental composition analysis. Conventional EDX analysis is limited by the obtainable energy resolution. In order to analyze extremely small impurity particles, material doping, interdiffusion effects or small chip structures, the diameter of the area hit by an electron beam and particularly the volume of electron-surface interaction has to be reduced accordingly. This can be achieved by reducing the electron beam energy.X-ray spectroscopy is most frequently used for damage free material testing. Nowadays, semiconductor based energy dispersive X-ray spectrometers (EDS) are employed on a routine basis and are frequently used in combination with scanning electron microscopes (SEMs). But performance is limited by their rather poor energy resolution, which is typically in the 130eV range for a 6keV X-ray line, and their limited capability of resolving X-ray lines within short spectral ranges. Further, overlaps of spectral lines are most critical in the low energy range.
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Inamoto, Shin, et Yuji Otsuka. « Energy-dispersive X-ray spectroscopy for an atomic-scale quantitative analysis of Pd–Pt core-shell nanoparticles ». Microscopy 69, no 1 (15 janvier 2020) : 26–30. http://dx.doi.org/10.1093/jmicro/dfz113.

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Abstract The properties of core-shell nanoparticles, which are used for many catalytic processes as an alternative to platinum, depend on the size of both the particle and the shell. It is thus necessary to develop a quantitative method to determine the shell thickness. Pd–Pt core-shell particles were analyzed using scanning transmission electron microscopy (STEM) and energy-dispersive X-ray spectroscopy (EDX). Quantitative EDX line profiles acquired from the core-shell particle were compared to four core-shell models. The results indicate that the thickness of the Pt shell corresponds to two atomic layers. Meanwhile, high-angle annular dark-field STEM images from the same particle were analyzed and compared to simulated images. Again, this experiment demonstrates that the shell thickness was of two atomic layers. Our results indicate that, in small particles, it is possible to use EDX for a precise atomic-scale quantitative analysis.
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Cheng, Zhi-Lin, et Wei Sun. « Preparation of N-doped ZnO-loaded halloysite nanotubes catalysts with high solar-light photocatalytic activity ». Water Science and Technology 72, no 10 (3 août 2015) : 1817–23. http://dx.doi.org/10.2166/wst.2015.403.

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N-doped ZnO nanoparticles were successfully assembled into hollow halloysite nanotubes (HNTs) by using the impregnation method. The catalysts based on N-doped ZnO-loaded HNTs nanocomposites (N-doped ZnO/HNTs) were characterized by X-ray diffraction (XRD), transmission electron microscopy-energy dispersive X-ray (TEM-EDX), scanning electron microscopy-energy dispersive X-ray (SEM-EDX), UV-vis and Fourier transform infrared spectroscopy (FT-IR) techniques. The XRD pattern showed ZnO nanoparticles with hexagonal structure loaded on HNTs. The TEM-EDX analysis indicated ZnO particles with the crystal size of ca.10 nm scattered in hollow structure of HNTs, and furthermore the concentration of N atom in nanocomposites was up to 2.31%. The SEM-EDX verified most of N-ZnO nanoparticles existing in hollow nanotubes of HNTs. Besides containing an obvious ultraviolet absorbance band, the UV-vis spectra of the N-doped ZnO/HNTs catalysts showed an available visible absorbance band by comparing to HNTs and non-doped ZnO/HNTs. The photocatalytic activity of the N-doped ZnO/HNTs catalysts was evaluated by the degradation of methyl orange (MO) solution with the concentration of 20 mg/L under the simulated solar-light irradiation. The result showed that the N-doped ZnO/HNTs catalyst exhibited a desirable solar-light photocatalytic activity.
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Abdul Malek, Nur Syazwani. « Effects of Storage Temperature on Shelf-Life of Mango Coated with Zinc Oxide Nanoparticles ». Science Letters 14, no 2 (1 juin 2020) : 50. http://dx.doi.org/10.24191/sl.v14i2.9542.

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Effect of different storage temperatures on physical and physiological changes of Golden Lily mango was investigated. Zinc oxide (ZnO) nanoparticles edible coating was prepared by sol-gel method and Golden Lily mangoes were dipped in the solution and stored at different (32 ℃, 27 ℃ and 5 ℃) temperatures for 7 days. The mangoes were characterized by Field Emission Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray Spectroscopy (EDX), Fourier-transform Infrared Spectroscopy (FTIR) and X-ray Diffraction (XRD) after 7 days of storage. Both the analysis of FESEM and EDX revealed the highest volume ratio of ZnO nanoparticles with a homogeneous dispersion throughout the mango peel surface is at 5 ℃. FTIR spectra revealed the absence of Zn–O bonding as metal oxides absorption is expected to be in the region below 700 cm-1. The mangoes stored at 5 ℃ delayed ripening, slowed down weight loss and found to be firmer than mangoes stored at 32 ℃ and 27 ℃.
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Schwarz, Holger, Thomas Uhlig, Thomas Lindner, Thomas Lampke, Guntram Wagner et Thomas Seyller. « Hardness Enhancement in CoCrFeNi1−x(WC)x High-Entropy Alloy Thin Films Synthesised by Magnetron Co-Sputtering ». Coatings 12, no 2 (17 février 2022) : 269. http://dx.doi.org/10.3390/coatings12020269.

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We demonstrate the systematic hardness enhancement of the CoCrFeNi high-entropy alloy (HEA) by the addition of tungsten carbide (WC). Mixed thin films are fabricated by magnetron co-sputtering using a home-made spark plasma-sintered CoCrFeNi target and a commercially available WC target. The WC content in the thin films is adjusted via the ratio of deposition powers applied to the targets. X-ray photoelectron spectroscopy (XPS) and energy dispersive X-ray spectroscopy (EDX) measurements were taken to determine the surface and bulk stoichiometry, respectively. The uniform distribution of the elements is confirmed via EDX mapping. X-ray diffraction (XRD) is carried out on the samples to determine the crystal phase formation. The Vickers hardness of the thin films is investigated using nanoindentation and shows an increase in the hardness in the thin films following an increased WC content. The data obtained are presented in comparison to pure WC and CoCrFeNi thin films fabricated by magnetron sputtering, respectively.
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Gallego, Antolino, Jose F. Gil, J. M. Vico, Enrique Díaz Barriga-Castro, J. E. Ruzzante et Rosa Piotrkowski. « Wavelet Transform and Bispectrum Applied to Acoustic Emission Signals from Adherence Scratch-Tests on Corroded Galvanized Coatings ». Advanced Materials Research 13-14 (février 2006) : 83–88. http://dx.doi.org/10.4028/www.scientific.net/amr.13-14.83.

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Wavelet analysis and bispectrum was applied to Acoustic Emission (AE) signals from scratch tests on corroded hot-dip galvanized samples in order to achieve the detection of corrosion products in pieces non reachable by visual inspection. AE signals were correlated with the fracture mechanisms occurring during scratch tests, while the contact force increased. Results were corroborated by Scanning Electron Microscopy (SEM), Energy Dispersive X-ray spectroscopy (EDX) and X-Ray Diffraction (XRD).
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Wang, Yun Hai, Yong Rong Liang et Guo Li. « Silver Co-Doping Effect on the Antimony Doped Tin Dioxide Electrode ». Advanced Materials Research 734-737 (août 2013) : 2382–85. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.2382.

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In the present research, silver antimony co-doped tin dioxide electrodes were prepared via dip-coating pyrolysis method. The effect of silver doping on the composition, morphology, crystallization and electrochemical properties was investigated through various techniques such as scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy (EDX) and cyclic voltammetry. The results showed that with proper silver doping, the electrode activity for wastewater treatment may be enhanced.
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Kalska-Szostko, Beata, Urszula Wykowska et Dariusz Satuła. « Magnetic nanowires (Fe, Fe-Co, Fe-Ni) – magnetic moment reorientation in respect of wires composition ». Nukleonika 60, no 1 (1 mars 2015) : 63–67. http://dx.doi.org/10.1515/nuka-2015-0015.

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Abstract Magnetic nanowires of Fe, Fe-Co, and Fe-Ni alloy and layered structure were prepared by electrochemical alternating current (AC) deposition method. The morphology of the nanowires in and without the matrix was studied by energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), and X-ray diffraction (XRD), respectively. The wires either show strong dependence on the combination of elements deposition (alloy or layered) or chemical composition (Co or Ni). The magnetic properties of the nanostructures were determined on the basis of Mössbauer spectroscopy (MS).
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Kim, Hyoun Woo, S. H. Shim, B. H. O, S. G. Lee, S. G. Park et El Hang Lee. « Synthesis of Iron Oxide Nanowires by Heating Iron Foils ». Key Engineering Materials 342-343 (juillet 2007) : 597–600. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.597.

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We have fabricated the iron oxide nanowires directly from iron foils through the simple heating in N2 ambient. We have characterized the samples by means of scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray (EDX) spectroscopy, and selected area diffraction pattern. The EDX spectrum revealed that the nanowires contained elements of Fe and O. The iron oxide nanowires were crystalline with diameters in the range of 30-200 nm. We have discussed the possible growth mechanisms.
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Tang, Guan Rong, et Jing Chen. « Characterization of Nanostructured Titania Thin Film and its Application in Gas Sensor ». Applied Mechanics and Materials 289 (février 2013) : 45–51. http://dx.doi.org/10.4028/www.scientific.net/amm.289.45.

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In this paper, Nanostructured Titania (NST) was fabricated by aging titanium film in hydrogen peroxide solution. NST was analyzed and characterized using scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), nano-indentation method and the BET method. Results showed that NST was porous TiO2 with pore diameter of 90-133 nm, hardness of 1.35Gpa, and specific surface area of 37.26 m2/g. Gas sensors using NST film as sensitive material were presented in this paper too. Electrodes were deposited upon NST patterns to create electrical connections. Gas sensors with a simple package were successfully fabricated.
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Zhao, Tian, Hexin Zhu et Ming Dong. « A Polyoxometalate Composite Based on Hierarchical MIL-101 with Enhanced Catalytic Activity in Methanolysis of Styrene Oxide ». Catalysts 10, no 7 (10 juillet 2020) : 772. http://dx.doi.org/10.3390/catal10070772.

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A new efficient polyoxometalate composite catalyst of hierarchical MIL-101 and phosphotungstic acid (PTA) was facilely prepared by the immersion method. The material was thoroughly characterized by powder x-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX) and inductively coupled plasma‒optical emission spectrometry (ICP-OES). Compared to the pristine nonhierarchical MIL-101 composite, the hierarchical composite demonstrated much higher catalytic performance in methanolysis of styrene oxide, such as catalytic activity and reusability.
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Fan, Xue Hai, et Guo Min Xiao. « Microstructural of Cr/MWCNT Composites and its Catalysis in Synthesis of Biodiesel ». Advanced Materials Research 455-456 (janvier 2012) : 1053–59. http://dx.doi.org/10.4028/www.scientific.net/amr.455-456.1053.

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Multi-walled carbon nanotubes (MWCNTs), potassium dichromate (K2Cr2O7) and sulphuric acid were used for the preparation of Cr/MWCNT composite by impregnation method. The composites were comprehensively characterized by transmission electron microscopy （TEM），energy dispersive X-ray analysis (EDX), infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and thermal gravity analysis (TGA). Due to its unique electrical and structural properties, this composite was applied to the synthesis of biodiesel (FAME) as a catalyst, showing effectively catalytic performance.
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Ye, Chao Qun, et Li Ding. « Dielectric Properties of Zr-Doped CCTO Based Ceramics Prepared via Sol-Gel Method ». Advanced Materials Research 528 (juin 2012) : 121–25. http://dx.doi.org/10.4028/www.scientific.net/amr.528.121.

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The CaCu3Ti4O12 and Zr-doped polycrystalline CaCu3Zr0.05Ti3.95O12 were prepared via sol-gel method. Comprehensive characterization including X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM) equipped with Energy-dispersive X-ray spectroscopy (EDX) were employed to characterize the microstructure, morphology and composition. The dielectric properties of the CCTO based ceramics were studied using impedance analyzer. The results show that replacement of Zr in the Ti- site can achieve the effect of regulation of the dielectric properties.
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HUANG, SHIYONG, S. XU, JIDONG LONG, ZHENHONG DAI et YUANPING SUN. « SYNTHESIS AND PROPERTY STUDY OF NANOPARTICLE QUATERNARY SEMICONDUCTOR SiCAlN FILMS WITH CO-SPUTTERING UNDER LOWER TEMPERATURE ». Surface Review and Letters 12, no 03 (juin 2005) : 397–400. http://dx.doi.org/10.1142/s0218625x05007153.

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Quaternary SiCAlN nanoparticle films were produced by reactive rf magnetron co-sputtering technique with a chemically pure SiC and an Al target under low temperature. The crystalline structure, surface morphology, and element content of the films were studied in terms of sputtering parameters. The element content and chemical states of SiCAlN films were measured by means of energy dispersive X-ray fluorescence (EDX) and X-ray photoelectronic spectroscopy (XPS). Surface morphology of SiCAlN films was investigated by FE-SEM.
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Nomoev, Sergey, Ivan Vasilevskii et Erzhena Khartaeva. « Atomic Force Microscopy and EDX Analysis for Investigation Photoconductive LT-GaAs Terahertz Antennas ». Solid State Phenomena 271 (janvier 2018) : 92–97. http://dx.doi.org/10.4028/www.scientific.net/ssp.271.92.

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We investigate the influence of the surface properties of a low-temperature-grown GaAs photoconductive antenna on the terahertz (THz) response power. A comparison to the surface roughness which is extracted from an atomic force microscope is given. We used energy dispersive x-ray spectroscopy (EDX) measurements to determine the Ga/As compositional ratio in the LT-GaAs.
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