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Relevant bibliographies by topics / Semoconductor Nanomaterials - Electrical Properties

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Academic literature on the topic 'Semoconductor Nanomaterials - Electrical Properties'

Author: Grafiati

Published: 7 September 2023

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Journal articles on the topic "Semoconductor Nanomaterials - Electrical Properties"

1

Lapekin, Nikita I., Artem A. Shestakov, Andrey E. Brester, Arina V. Ukhina, and Alexander G. Bannov. "Electrical properties of compacted carbon nanomaterials." MATEC Web of Conferences 340 (2021): 01047. http://dx.doi.org/10.1051/matecconf/202134001047.

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In this paper, the electrical properties of various compacted carbon nanomaterials were investigated. Compacted carbon nanomaterials (carbon nanofibers, multi-walled carbon nanotubes) were compacted into cylindrical samples and the electrical properties were measured in a frequency range from 50 Hz to 1MHz.

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Wang Xinda, 王欣达, 廖嘉宁 Liao Jianing, 姚煜 Yao Yu, 郭伟 Guo Wei, 康慧 Kang Hui, and 彭鹏 Peng Peng. "Nanojoining and Electrical Properties of Silver Nanomaterials." Chinese Journal of Lasers 48, no. 8 (2021): 0802016. http://dx.doi.org/10.3788/cjl202148.0802016.

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3

Kang, Xueya, Tu Minjing, Ming Zhang, and Wang Tiandiao. "Microstructure and Electrical Properties of Doped ZnO Varistor Nanomaterials." Solid State Phenomena 99-100 (July 2004): 127–32. http://dx.doi.org/10.4028/www.scientific.net/ssp.99-100.127.

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A sol-gel method of preparation doped ZnO varistor nanomaterials is described, The influences of doped ZnO nanomaterials for varistor microstructure and electrical properties (nonlinear coefficient α, breakdown voltage V1mA , dielectric constant ε, and dielectric loss tan δ) are investigated. Compared with the conventional mixed oxide technique, varistor ceramic of prepared by nanometer materials showed a more homogeneous microstructure, smaller grain sizes, higher densities and excellent electrical properties.

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Sharma, A. Deepak, and H. Basantakumar Sharma. "Electrical and Magnetic Properties of Mn-Doped BiFeO3 Nanomaterials." Integrated Ferroelectrics 203, no. 1 (November 22, 2019): 81–90. http://dx.doi.org/10.1080/10584587.2019.1674969.

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Wang, Jingang, Xijiao Mu, and Mengtao Sun. "The Thermal, Electrical and Thermoelectric Properties of Graphene Nanomaterials." Nanomaterials 9, no. 2 (February 6, 2019): 218. http://dx.doi.org/10.3390/nano9020218.

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Graphene, as a typical two-dimensional nanometer material, has shown its uniqueapplication potential in electrical characteristics, thermal properties, and thermoelectric propertiesby virtue of its novel electronic structure. The field of traditional material modification mainlychanges or enhances certain properties of materials by mixing a variety of materials (to form aheterostructure) and doping. For graphene as well, this paper specifically discusses the use oftraditional modification methods to improve graphene’s electrical and thermoelectrical properties.More deeply, since graphene is an atomic-level thin film material, its shape and edge conformation(zigzag boundary and armchair boundary) have a great impact on performance. Therefore, thispaper reviews the graphene modification field in recent years. Through the change in the shape ofgraphene, the change in the boundary structure configuration, the doping of other atoms, and theformation of a heterostructure, the electrical, thermal, and thermoelectric properties of graphenechange, resulting in broader applications in more fields. Through studies of graphene’s electrical,thermal, and thermoelectric properties in recent years, progress has been made not only inexperimental testing, but also in theoretical calculation. These aspects of graphene are reviewed inthis paper.

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Tran Ngoc Lan, Nguyen Tran Thuat, Hoang Ngoc Lam Huong, and Nguyen Van Quynh. "Effects of silver incorporation on electrical and optical properties of CuAlxOy thin films." Journal of Military Science and Technology, FEE (December 23, 2022): 294–302. http://dx.doi.org/10.54939/1859-1043.j.mst.fee.2022.294-302.

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The transparent conductive property based on Ag-doped delafossite nanomaterials are attractive for optical sensing applications due to their good electrical conductivity, good optical transparent and high temperature coefficient of resistance. Several delafossite nanomaterials and Ag-doped nanomaterials have been reported, however, Ag-doped delafossite nanomaterials have not been explored, especially regarding the electrical property with high temperature coefficient of resistance. In this study, Ag-doped delafossite CuAlxOy thin films were deposited by co-sputtering techniques. The electrical properties were carried out on a 4-point prober. The optical properties were characterized on an UV-VIS spectrometer. The results on CuAlxOy doped Ag thin films showed that CuAlxOy doped Ag can be hardly applied for transparent conductive layers. However, these films exhibited relatively high temperature coefficient of resistance of about 3%/K, thus being suitable for applications in microbolometers.

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Dobrovolskaia, Marina A., and Scott E. McNeil. "Immunological properties of engineered nanomaterials." Nature Nanotechnology 2, no. 8 (July 29, 2007): 469–78. http://dx.doi.org/10.1038/nnano.2007.223.

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Yoo, Doo-Yeol, Ilhwan You, Hyunchul Youn, and Seung-Jung Lee. "Electrical and piezoresistive properties of cement composites with carbon nanomaterials." Journal of Composite Materials 52, no. 24 (March 21, 2018): 3325–40. http://dx.doi.org/10.1177/0021998318764809.

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This study investigates the effect of nanomaterials on the piezoresistive sensing capacity of cement-based composites. Three different nanomaterials—multi-walled carbon nanotubes, graphite nanofibers, and graphene oxide—were considered along with a plain mortar, and a cyclic compressive test was performed. Based on a preliminary test, the optimum flowability was determined to be 150 mm in terms of fiber dispersion. The electrical resistivity of the composites substantially decreased by incorporating 1 wt% multi-walled carbon nanotubes, but only slightly decreased by including 1 wt% graphite nanofibers and graphene oxide. This indicates that the use of multi-walled carbon nanotubes is most effective in improving the conductivity of the composites compared to the use of graphite nanofibers and graphene oxide. The fractional change in resistivity of the composites with nanomaterials exhibited similar behavior to that of the cyclic compressive load, but partial reversibility in fractional change in resistivity was obtained beyond 60% of the peak load. A linear relationship between the fractional change in resistivity and cyclic compression strain (up to 1500 με) was observed in the composites with multi-walled carbon nanotubes, and the gauge factor was found to be 166.6. It is concluded that cement-based composites with 1 wt% multi-walled carbon nanotubes can be used as piezoresistive sensors for monitoring the stress/strain generated in concrete structures.

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Pietrzak, T. K., M. Maciaszek, J. L. Nowiński, W. Ślubowska, S. Ferrari, P. Mustarelli, M. Wasiucionek, M. Wzorek, and J. E. Garbarczyk. "Electrical properties of V2O5 nanomaterials prepared by twin rollers technique." Solid State Ionics 225 (October 2012): 658–62. http://dx.doi.org/10.1016/j.ssi.2011.11.017.

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Pietrzak, T. K., L. Wewior, J. E. Garbarczyk, M. Wasiucionek, I. Gorzkowska, J. L. Nowinski, and S. Gierlotka. "Electrical properties and thermal stability of FePO4 glasses and nanomaterials." Solid State Ionics 188, no. 1 (April 2011): 99–103. http://dx.doi.org/10.1016/j.ssi.2010.11.006.

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Dissertations / Theses on the topic "Semoconductor Nanomaterials - Electrical Properties"

1

Wang, Lingyan. "Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties." Diss., Online access via UMI:, 2007.

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Zhou, Junchao. "LIGHT EXTRACTION EFFICIENCY IN III-NITRIDE LIGHT-EMITTING DIODES AND PIEZOELECTRIC PROPERTIES IN ZNO NANOMATERIALS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1465399583.

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Rupasinghe, R.-A. Thilini Perera. "Probing electrical and mechanical properties of nanoscale materials using atomic force microscopy." Diss., University of Iowa, 2015. https://ir.uiowa.edu/etd/2268.

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Studying physical properties of nanoscale materials has gained a significant attention owing to their applications in the fields such as electronics, medicine, pharmaceutical industry, and materials science. However, owing to size constraints, number of techniques that measures physical properties of materials at nanoscale with a high accuracy and sensitivity is limited. In this context, development of atomic force microscopy (AFM) based techniques to measure physical properties of nanomaterials has led to significant advancements across the disciplines including chemistry, engineering, biology, material science and physics. AFM has recently been utilized in the quantification of physical-chemical properties such as electrical, mechanical, magnetic, electrochemical, binding interaction and morphology, which are enormously important in establishing structure-property relationship. The overarching objective of the investigations discussed here is to gain quantitative insights into the factors that control electrical and mechanical properties of nano-dimensional organic materials and thereby, potentially, establishing reliable structure-property relationships particularly for organic molecular solids which has not been explored enough. Such understanding is important in developing novel materials with controllable properties for molecular level device fabrication, material science applications and pharmaceutical materials with desirable mechanical stability. First, we have studied electrical properties of novel silver based organic complex in which, the directionality of coordination bonding in the context of crystal engineering has been used to achieve materials with structurally and electrically favorable arrangement of molecules for an enhanced electrical conductivity. This system have exhibited an exceptionally high conductivity compared to other silver based organic complexes available in literature. Further, an enhancement in conductivity was also observed herein, upon photodimerization and the development of such materials are important in nanoelecrtonics. Next, mechanical properties of a wide variety of nanocrystals is discussed here. In particular, an inverse correlation between the Young’s modulus and atomic/molecular polarizability has been demonstrated for members of a series of macro- and nano-dimensional organic cocrystals composed of either resorcinol (res) or 4,6-di-X-res (X = Cl, Br, I) (as the template) and trans-1,2-bis(4-pyridyl)ethylene (4,4’-bpe) where cocrystals with highly-polarizable atoms result in softer solids. Moreover, similar correlation has been observed with a series of salicylic acid based cocrystals wherein, the cocrystal former was systematically modified. In order to understand the effect of preparation method towards the mechanical properties of nanocrystalline materials, herein we have studied mechanical properties of single component and two component nanocrystals. Similar mechanical properties have been observed with crystals despite their preparation methods. Furthermore, size dependent mechanical properties of active pharmaceutical ingredient, aspirin, has also been studied here. According to results reduction in size (from millimetre to nanometer) results in crystals that are approximately four fold softer. Overall, work discussed here highlights the versatility of AFM as a reliable technique in the electrical, mechanical, and dimensional characterization of nanoscale materials with a high precision and thereby, gaining further understanding on factors that controls these processes at nanoscale.

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Weaver, Abigail. "Mechanical and electrical properties of 3D-printed acrylonitrile butadiene styrene composites reinforced with carbon nanomaterials." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35413.

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Master of Science
Department of Mechanical and Nuclear Engineering
Gurpreet Singh
3D-printing is a popular manufacturing technique for making complex parts or small quantity batches. Currently, the applications of 3D-printing are limited by the material properties of the printed material. The processing parameters of commonly available 3D printing processes constrain the materials used to a small set of primarily plastic materials, which have relatively low strength and electrical conductivity. Adding ﬁller materials has the potential to improve these properties and expand the applications of 3D printed material. Carbon nanomaterials show promise as ﬁller materials due to their extremely high conductivity, strength, and surface area. In this work, Graphite, Carbon Nanotubes, and Carbon Black (CB) were mixed with raw Acrylonitrile Butadiene Styrene (ABS) pellets. The resulting mixture was extruded to form a composite ﬁlament. Tensile test specimens and electrical conductivity specimens were manufactured by Fused Deposition Method (FDM) 3D-printing using this composite ﬁlament as the feedstock material. Weight percentages of ﬁller materials were varied from 0-20 wt% to see the eﬀect of increasing ﬁller loading on the composite materials. Additional tensile test specimens were fabricated and post-processed with heat and microwave irradiation in attempt to improve adhesion between layers of the 3D-printed materials. Electrical Impedance Spectroscopy tests on 15 wt% Multiwalled Carbon Nanotube (MWCNT) composite specimens showed an increase in DC electrical conductivity of over 6 orders of magnitude compared to neat ABS samples. This 15 wt% specimen had DC electrical conductivity of 8.74x10−6 S/cm, indicating semi-conducting behavior. MWCNT specimens with under 5 wt% ﬁller loading and Graphite specimens with under 1 wt% ﬁller loading showed strong insulating behavior similar to neat ABS. Tensile tests showed increases in tensile strength at 5 wt% CB and 0.5 wt% MWCNT. Placing the specimens in the oven at 135 °C for an hour caused increased the stiﬀness of the composite specimens.

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Liang, Qizhen. "Preparation and properties of thermally/electrically conductive material architecture based on graphene and other nanomaterials." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44846.

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With excellent electrical, thermal and mechanical properties as well as large specific surface area, graphene has been applied in next-generation nano-electronics, gas sensors, transparent electrical conductors, thermally conductive materials, and superior energy capacitors etc. Convenient and productive preparation of graphene is thereby especially important and strongly desired for its manifold applications. Chemically developed functionalized graphene from graphene oxide (GO) has significantly high productivity and low cost, however, toxic chemical reduction agents (e.g. hydrazine hydrate) and raised temperature (400-1100°C) are usually necessary in GO reduction yet not preferred in current technologies. Here, microwaves (MW) are applied to reduce the amount of graphene oxide (GO) at a relatively low temperature (~165°C). Experimental results indicate that resurgence of interconnected graphene-like domains contributes to a low sheet resistance with a high optical transparency after MW reduction, indicating the very high efficiency of MW in GO's reduction. Moreover, graphene is usually recumbent on solid substrates, while vertically aligned graphene architecture on solid substrate is rarely available and less studied. For TIMs, electrodes of ultracapacitors, etc, efficient heat dissipation and electrical conductance in normal direction of solid surfaces is strongly desired. In addition, large-volume heat dissipation requires a joint contribution of a large number of graphene sheets. Graphene sheets must be aligned in a large scale array in order to meet the requirements for TIM application. Here, thermally conductive fuctionalized multilayer graphene sheets (fMGs) are efficiently aligned in a large scale by vacuum filtration method at room temperature, as evidenced by SEM images and polarized Raman spectroscopy. A remarkably strong anisotropy in properties of aligned fMGs is observed. Moreover, VA-fMG TIMs are prepared by constructing a three-dimensional vertically aligned functionalized multilayer graphene architecture between contact Silicon/Silicon surfaces with pure Indium as a metallic medium. Compared with their counterpart from recumbent A-fMGs, VA-fMG TIMs have significantly higher equivalent thermal conductivity and lower contact thermal resistance. Electrical and thermal conductivities of polymer composite are also greatly interested here. Previous researches indicated that filler loading, morphology of fillers, and chemical bonding across filler/polymer interfaces have significant influence on electrical/thermal conductivity of polymer composite. Therefore, the research also pays substantial attention to these issues. First, electrical resistivity of CPCs is highly sensitive on volume or weight ratio (filler loading) of conductive fillers in polymer matrix, especially when filler loading is close to percolation threshold (pc). Thermal oxidation aging usually can cause a significant weight loss of polymer matrix in a CPC system, resulting in a filler loading change which can be exhibited by a prompt alteration in electrical resistivity of CPCs. Here, the phenomena are applied as approach for in-situ monitoring thermal oxidation status of polymeric materials is developed based on an electrical sensors based on conductive polymeric composites (CPCs). The study developed a model for electrical resistivity of sensors from the CPCs as a function of aging time at constant aging temperature, which is in a good agreement with a Boltzmann-Sigmoidal equation. Based on the finding, the sensors show their capability of in-situ in-situ monitor and estimate aging status of polymeric components by a fast and convenient electrical resistance measurement. Second, interfacial issues related to these thermal conductive fillers are systemically studied. On the one hand, the study focuses on relationship between morphology of h-BN particles and thermal conductivity of their epoxy composites. It is found that spherical-agglomeration of h-BN particles can significantly enhance thermal conductivity of epoxy resin, compared with dispersed h-BN plates, by substantially reducing specific interfacial area between h-BN and epoxy resin. On the other hand, surface of high thermal conductive fillers such as SiC particles and MWNTs are successfully functionalized, which makes their surface reactive with bisphenol A diglycidyl ether and able to form chemical bonding between fillers and epoxy resin. By this means, thermal conductivity of polymer composites is found to be significantly enhanced compared with control samples, indicating the interfacial chemical bonding across interface between thermal conductive fillers and polymer matrix can promote heat dissipation in polymeric composites. The finding can benefit a development of high thermal conductive polymer composites by interfacial chemical bonding enhancement to meet the demanding requirements in current fine pitch and Cu/low k technology.

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Mehdi, Aghaei Sadegh. "Electronic and Magnetic Properties of Two-dimensional Nanomaterials beyond Graphene and Their Gas Sensing Applications: Silicene, Germanene, and Boron Carbide." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3389.

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The popularity of graphene owing to its unique properties has triggered huge interest in other two-dimensional (2D) nanomaterials. Among them, silicene shows considerable promise for electronic devices due to the expected compatibility with silicon electronics. However, the high-end potential application of silicene in electronic devices is limited owing to the lack of an energy band gap. Hence, the principal objective of this research is to tune the electronic and magnetic properties of silicene related nanomaterials through first-principles models. I first explored the impact of edge functionalization and doping on the stabilities, electronic, and magnetic properties of silicene nanoribbons (SiNRs) and revealed that the modified structures indicate remarkable spin gapless semiconductor and half-metal behaviors. In order to open and tune a band gap in silicene, SiNRs were perforated with periodic nanoholes. It was found that the band gap varies based on the nanoribbon’s width, nanohole’s repeat periodicity, and nanohole’s position due to the quantum confinement effect. To continue to take advantage of quantum confinement, I also studied the electronic and magnetic properties of hydrogenated silicene nanoflakes (SiNFs). It was discovered that half-hydrogenated SiNFs produce a large spin moment that is directly proportional to the square of the flake’s size. Next, I studied the adsorption behavior of various gas molecules on SiNRs. Based on my results, the SiNR could serve as a highly sensitive gas sensor for CO and NH3 detection and a disposable gas sensor for NO, NO2, and SO2. I also considered adsorption behavior of toxic gas molecules on boron carbide (BC3) and found that unlike graphene, BC3 has good sensitivity to the gas molecules due to the presence of active B atoms. My findings divulged the promising potential of BC3 as a highly sensitive molecular sensor for NO and NH3 detection and a catalyst for NO2 dissociation. Finally, I scrutinized the interactions of CO2 with lithium-functionalized germanene. It was discovered that although a single CO2 molecule was weakly physisorbed on pristine germanene, a significant improvement on its adsorption energy was found by utilizing Li-functionalized germanene as the adsorbent. My results suggest that Li-functionalized germanene shows promise for CO2 capture.

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De, Silva Vashista C. "Core-Shell Based Metamaterials: Fabrication Protocol and Optical Properties." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1062904/.

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The objective of this study is to examine core-shell type plasmonic metamaterials aimed at the development of materials with unique electromagnetic properties. The building blocks of metamaterials under study consist of gold as a metal component, and silica and precipitated calcium carbonate (PCC) as the dielectric media. The results of this study demonstrate important applications of the core-shells including scattering suppression, airborne obscurants made of fractal gold shells, photomodification of the fractal structure providing windows of transparency, and plasmonics core-shell with a gain shell as an active device. Plasmonic resonances of the metallic shells depend on their nanostructure and geometry of the core, which can be optimized for the broadband extinction. Significant extinction from the visible to mid-infrared makes fractal shells very attractive as bandpass filters and aerosolized obscurants. In contrast to the planar fractal films, where the absorption and reflection equally contribute to the extinction, the shells' extinction is caused mainly by the absorption. This work shows that the Mie scattering resonance of a silica core with 780 nm diameter at 560 nm is suppressed by 75% and only partially substituted by the absorption in the shell so that the total transmission is noticeably increased. Effective medium theory supports our experiments and indicates that light goes mostly through the epsilon-near-zero shell with approximately wavelength independent absorption rate. Broadband extinction in fractal shells allows as well for a laser photoburning of holes in the extinction spectra and consequently windows of transparency in a controlled manner. Au fractal nanostructures grown on PCC flakes provide the highest mass normalized extinction, up to 3 m^2/g, which has been demonstrated in the broad spectral range. In the nanoplasmonic field active devices consist of a Au nanoparticle that acts as a cavity and the dye molecules attached to it via thin silica shell as the active medium. Such kind of devices is considered as a nano-laser or nano-amplifier. The fabricated nanolasers were studied for their photoluminescence kinetic properties. It is shown that the cooperative effects due to the coupling of dye molecules via Au nanoparticle plasmons result in bi-exponential emission decay characteristics in accord with theory predictions. These bi-exponential decays involve a fast superradiant decay, which is followed by a slow subradiant decay. To summarize, this work shows new attractive properties of core-shell nanoparticles. Fractal Au shells on silica cores prove to be a good scattering suppressor and a band pass filter in a broadband spectral range. They can also be used as an obscurant when PCC is used as the core material. Finally, gold nanoparticles coated with silica with dye results in bi-exponential decays.

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Wei, Pai-Chun, and 魏百駿. "Molecular beam epitaxy grown Indium nitride thin film and nanomaterials: Optical, electrical and thermal properties." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/16537373466211692317.

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博士
國立清華大學
材料科學工程學系
97
In this thesis, we present successful growth and characterization (optical, electrical, and thermal) of InN epitaxial films and nanostructures by molecular beam epitaxy. Temperature-dependent photoluminescence (PL) spectroscopy is used as a tool to study the much controversial optical band gap in degenerate InN. Samples with PL peak on the lower and higher energy side of 0.730 eV demonstrate a normal redshift and anomalous blueshift, respectively, with increasing temperature. This can be explained effectively on the basis of a competition between a conventional red shift from lattice dilation and a blue shift of the electron and hole quasi Fermi-level separation. On the electrical characterization part, we report the first observation of negative photoconductivity behavior in InN thin films. Unlike most conventional (non-degenerate) semiconductors, that show increase in conductivity with illumination, InN shows a regular decrease. The results have been qualitatively modeled on the basis of electronic scattering in the conduction band and transitions in degenerate InN with recombination centers. Finally, a systematic thermal diffusivity (related to thermal conductivity) study in the MBE-grown InN thin films on various substrates with different growth temperatures were carried out. A high thermal diffusivity value of 0.55 cm2/s for a combined 1.7 um thick InN film suggests a lower degree of phonon scattering in our sample with fewer structural defects.

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9

Shekhar, Shashank. "Electrical And Magnetic Properties Of Polyvinylchloride - Amorphous Carbon / Iron Carbide Nanoparticle Comosites." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/500.

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The UV-Visible spectra of a-C composites and nano composites have provided a very useful information about the electronic states and band structure. The UV-Visible spectra of a-C as well as nanoparticle are qualitatively similar. They do not show any absorption cutoff in wavelength (_max). In fact they are good absorbers of UV-Visible light in whole range. Composites show some absorptions which could be the combined effect of filler as we as host matrix. Since there is no _max, hence it is very unlikely to define any optical band gap. The nanoparticle is a good absorber in midinfrared compared to a-C. That may be due to presence of complicated kind of vibrational modes of carbon cased nanoparticle.Besides Fe3C also produces some additional modes. With kind of spectrum we have it is difficult to identify the different modes unambiguously for nanoparticle. The combined effects of filler as well as host polymer are reflected in both sets of composites. A new absorption is observed in a-C as well as in nanoparticle composites at 2370 cm−1 and 3462 cm−1 respectively. This peak may arise in composites due to interaction between filler and host matrix. The thermo gravimetric analysis is a useful characterization techniques for polymer and composites. It gives the information about the stability, phase change, degradation, chemical reaction and many more. The a-C composites as well as nano composites are stable up to 200_ C. These composites can be safely used for any practical purpose below this temperature. During the synthesis of composites the filler does not take part in any reaction. This fact is reflected in the DTG curve. The composites degrade in the way host polymer degrades.

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Shekhar, Shashank. "Electrical And Magnetic Properties Of Polyvinylchloride - Amorphous Carbon / Iron Carbide Nanoparticle Comosites." Thesis, 2007. http://hdl.handle.net/2005/500.

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The UV-Visible spectra of a-C composites and nano composites have provided a very useful information about the electronic states and band structure. The UV-Visible spectra of a-C as well as nanoparticle are qualitatively similar. They do not show any absorption cutoff in wavelength (_max). In fact they are good absorbers of UV-Visible light in whole range. Composites show some absorptions which could be the combined effect of filler as we as host matrix. Since there is no _max, hence it is very unlikely to define any optical band gap. The nanoparticle is a good absorber in midinfrared compared to a-C. That may be due to presence of complicated kind of vibrational modes of carbon cased nanoparticle.Besides Fe3C also produces some additional modes. With kind of spectrum we have it is difficult to identify the different modes unambiguously for nanoparticle. The combined effects of filler as well as host polymer are reflected in both sets of composites. A new absorption is observed in a-C as well as in nanoparticle composites at 2370 cm−1 and 3462 cm−1 respectively. This peak may arise in composites due to interaction between filler and host matrix. The thermo gravimetric analysis is a useful characterization techniques for polymer and composites. It gives the information about the stability, phase change, degradation, chemical reaction and many more. The a-C composites as well as nano composites are stable up to 200_ C. These composites can be safely used for any practical purpose below this temperature. During the synthesis of composites the filler does not take part in any reaction. This fact is reflected in the DTG curve. The composites degrade in the way host polymer degrades.

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Book chapters on the topic "Semoconductor Nanomaterials - Electrical Properties"

1

Al-Douri, Yarub. "Electrical and Optical Properties of Nanomaterials." In Nanomaterials, 75–104. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3881-8_5.

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Gunasekaran, Vijayasri, Mythili Narayanan, Gurusamy Rajagopal, and Jegathalaprathaban Rajesh. "Electrical and Dielectric Properties: Nanomaterials." In Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 783–800. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90948-2_25.

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Gunasekaran, Vijayasri, Mythili Narayanan, Gurusamy Rajagopal, and Jegathalaprathaban Rajesh. "Electrical and Dielectric Properties: Nanomaterials." In Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 1–18. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-34007-0_25-1.

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Choi, U. Hyeok, and James Runt. "Mechanical and Electrical Properties of Ion-Containing Polymers." In Encyclopedia of Polymeric Nanomaterials, 1–7. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36199-9_86-1.

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Choi, U. Hyeok, and James Runt. "Mechanical and Electrical Properties of Ion-Containing Polymers." In Encyclopedia of Polymeric Nanomaterials, 1197–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-29648-2_86.

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Sawyer, Shayla, and Dali Shao. "Electrical and Optical Enhancement Properties of Metal/Semimetal Nanostructures for Metal Oxide UV Photodetectors." In Handbook of Nanomaterials Properties, 1177–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-31107-9_49.

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Arulmurugan, B., G. Kausalya Sasikumar, and L. Rajeshkumar. "Nanostructured Metals: Optical, Electrical, and Mechanical Properties." In Mechanics of Nanomaterials and Polymer Nanocomposites, 69–85. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2352-6_4.

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Meng, Qingguo. "Optical, Electrical, and Catalytic Properties of Metal Nanoclusters Investigated by ab initio Molecular Dynamics Simulation: A Mini Review." In Photoinduced Processes at Surfaces and in Nanomaterials, 215–34. Washington, DC: American Chemical Society, 2015. http://dx.doi.org/10.1021/bk-2015-1196.ch011.

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Adimule, Vinayak, P. Vageesha, Gangadhar Bagihalli, Debdas Bowmik, and H. J. Adarsha. "Synthesis, Characterization of Hybrid Nanomaterials of Strontium, Yttrium, Copper Doped with Indole Schiff Base Derivatives Possessing Dielectric and Semiconductor Properties." In Lecture Notes in Electrical Engineering, 1131–40. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-5802-9_97.

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"Electrical and Transport Properties." In Introduction to Nanomaterials and Devices, 233–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118148419.ch5.

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Conference papers on the topic "Semoconductor Nanomaterials - Electrical Properties"

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Luniov, Sergiy, Olexandr Burban, and Yurii Koval. "Electrical Properties of Doped Germanium Nanofilms." In 2020 IEEE 10th International Conference Nanomaterials: Applications & Properties (NAP). IEEE, 2020. http://dx.doi.org/10.1109/nap51477.2020.9309623.

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Sagapariya, Khushal, K. N. Rathod, Keval Gadani, Hetal Boricha, V. G. Shrimali, Bhargav Rajyaguru, Amiras Donga, et al. "Investigations on structural, optical and electrical properties of V2O5 nanoparticles." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982084.

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Znamenshchykov, Yaroslav, Kononov Oleksiy, Denys Kurbatov, Anatoliy Opanasyuk, and Pashchenko Maksym. "Electrical Properties, Photoresponse, And Structural Properties Of CdZnTeSe Thick Polycrystalline Films." In 2022 IEEE 12th International Conference Nanomaterials: Applications & Properties (NAP). IEEE, 2022. http://dx.doi.org/10.1109/nap55339.2022.9934428.

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Sengunthar, Poornima S., Rutvi J. Pandya, and U. S. Joshi. "Structural, electrical and optical properties of Fe doped BaTiO3 perovskite ceramic." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982101.

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Koltunowicz, Tomasz N., Aleksander K. Fedotov, Vitalii Bondariev, Oleksandr Boiko, Igor Troyanchuk, and Vera Fedotova. "Electrical properties of Ca3Co4O9 and Ca3Co3.9Fe0.1O9 ceramics." In 2017 IEEE 7th International Conference "Nanomaterials: Application & Properties" (NAP). IEEE, 2017. http://dx.doi.org/10.1109/nap.2017.8190278.

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Sapana, Solanki, Davit Dhruv, Zalak Joshi, Keval Gadani, K. N. Rathod, Hetal Boricha, V. G. Shrimali, et al. "Studies on structural and electrical properties of nanostructured RMnO3 (R = Gd & Ho)." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982113.

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Malucci, Robert, and Bretton Rickett. "Applications and Properties of Nanomaterials in Electrical Contacts; Holm Conference Panel Discussion." In Electrical Contacts - 2006. 52nd IEEE Holm Conference on Electrical Contacts. IEEE, 2006. http://dx.doi.org/10.1109/holm.2006.284095.

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Lobko, Eu, V. Demchenko, V. Klepko, Y. Yakovlev, and E. Lysenkov. "The effect of the electrical field on the electrical and mechanical properties of polyurethane/carbon nanotubes composites." In 2017 IEEE 7th International Conference "Nanomaterials: Application & Properties" (NAP). IEEE, 2017. http://dx.doi.org/10.1109/nap.2017.8190277.

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Koziarskyi, Ivan, Dmytro Koziarskyi, Taras Kovaliuk, and Eduard Maistruk. "Electrical Properties of p-Cu2O/CdS/n-Si Heterojunction." In 2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP). IEEE, 2021. http://dx.doi.org/10.1109/nap51885.2021.9568539.

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Upadhyay, R. B., K. Jalaja, and U. S. Joshi. "Structural and electrical properties of Ba0.6 Sr0.4 TiO3 thin film on LNO/Pt bottom electrode." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982079.

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