Littérature scientifique sur le sujet « Electron attachment spectroscopy »

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Articles de revues sur le sujet "Electron attachment spectroscopy"

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Moylan, Christopher R., Susan Baer Green, and John I. Brauman. "Electron attachment chemistry of SiCl4. Relevance to plasma reactions." International Journal of Mass Spectrometry and Ion Processes 96, no. 3 (1990): 299–307. http://dx.doi.org/10.1016/0168-1176(90)85130-t.

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Alizadeh, E., F. Ferreira da Silva, F. Zappa, et al. "Dissociative electron attachment to nitromethane." International Journal of Mass Spectrometry 271, no. 1-3 (2008): 15–21. http://dx.doi.org/10.1016/j.ijms.2007.11.004.

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Miller, Thomas M., Jane M. Van Doren, and A. A. Viggiano. "Electron attachment and detachment: C6F6." International Journal of Mass Spectrometry 233, no. 1-3 (2004): 67–73. http://dx.doi.org/10.1016/j.ijms.2003.11.014.

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Anstöter, Cate S., Thomas E. Gartmann, Laurence H. Stanley, Anastasia V. Bochenkova, and Jan R. R. Verlet. "Electronic structure of the para-dinitrobenzene radical anion: a combined 2D photoelectron imaging and computational study." Physical Chemistry Chemical Physics 20, no. 37 (2018): 24019–26. http://dx.doi.org/10.1039/c8cp04877k.

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Luo, T., and A. Khursheed. "Second-order aberration corrected electron energy loss spectroscopy attachment for scanning electron microscopes." Review of Scientific Instruments 77, no. 4 (2006): 043103. http://dx.doi.org/10.1063/1.2190208.

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Kopyra, Janina, Constanze König-Lehmann, Iwona Szamrej, and Eugen Illenberger. "Unusual features in electron attachment to chlorodifluoroacetic acid (CClF2COOH): Strong dissociative electron attachment near 0eV and associative attachment at 0.75eV." International Journal of Mass Spectrometry 285, no. 3 (2009): 131–36. http://dx.doi.org/10.1016/j.ijms.2009.05.006.

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Heni, Martin, and Eugen Illenberger. "Electron attachment by saturated nitriles, acrylonitrile (C2H3CN), and benzonitrile (C6H5CN)." International Journal of Mass Spectrometry and Ion Processes 73, no. 1-2 (1986): 127–44. http://dx.doi.org/10.1016/0168-1176(86)80014-3.

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N. L. Asfandiarov, M. V. Muftakhov, A. M. Safronov, R.V. Galeev, and S. A. Pshenichnyuk. "Non-covalent structures of negative ions formed during the dissociative capture of electrons by molecules." Technical Physics 67, no. 11 (2022): 1425. http://dx.doi.org/10.21883/tp.2022.11.55171.157-22.

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The method of dissociative electron attachment (DEA) spectroscopy was used to study the attachment of electrons to 1-chloronaphthalene molecules. It has been established that the dominant channel for the decay of molecular ions is the formation of Cl- ions in three resonances at 0.7, 1.5, and 3.0 eV. Ions [M-H]- and [M-Cl]- are observed at energies from 3.5 to 8.5 eV and have two to three orders of magnitude lower formation cross sections. Long-lived molecular ions were not registered. Calculations in the DFT CAM B3LYP/6-311+G(d,p) approximation predict the presence of six stable anionic struc
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Houplin, J., L. Amiaud, C. Dablemont, and A. Lafosse. "DOS and electron attachment effects in the electron-induced vibrational excitation of terphenylthiol SAMs." Physical Chemistry Chemical Physics 17, no. 45 (2015): 30721–28. http://dx.doi.org/10.1039/c5cp04067a.

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Low energy electron scattering on terphenylthiol (TPT, HS-(C<sub>6</sub>H<sub>4</sub>)<sub>2</sub>-C<sub>6</sub>H<sub>5</sub>) self-assembled monolayers (SAMs) deposited onto gold was investigated using high resolution electron energy loss spectroscopy (HREELS) by recording specular elastic and inelastic excitation functions.
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Mauracher, A., H. Schöbel, S. Haughey, S. E. Huber, and T. A. Field. "Dissociative electron attachment to fluorinated nitrobenzenes." International Journal of Mass Spectrometry 471 (January 2022): 116731. http://dx.doi.org/10.1016/j.ijms.2021.116731.

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Thèses sur le sujet "Electron attachment spectroscopy"

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Houplin, Justine. "Structuration chimique induite et contrôlée par impact d’électrons lents sur films moléculaires supportés." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112124/document.

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Les mono-couches auto-assemblées (SAMs) sont des systèmes de choix pour le développement de plateformes moléculaires aux propriétés physico-chimiques contrôlées. Il s’agit de monocouches organisées de molécules bi-fonctionnelles. Ces molécules se composent d’une fonction terminale modulable, séparée d’un groupement d’ancrage par un espaceur adapté. Ainsi, les propriétés des SAMs peuvent être ajustées pour le développement de systèmes électroniques moléculaires ou de capteurs (bio)-chimiques. De plus, des structurations chimiques supplémentaires peuvent être induites par irradiation.Les méthode
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Sedmidubská, Barbora. "The role of the low-energy electrons in the process of radiosensitization." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASF069.

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Dans la chimioradiothérapie concomitante, il y a un effort pour augmenter son efficacité et atténuer la toxicité pour les cellules saines. Cela peut être atteint par le biais du synergisme et de la délivrance ciblée de médicaments (DCM). La DCM est un transport sélectif des médicaments vers des sites d'intérêt, protégeant ainsi les tissus sains de la toxicité des agents chimiothérapeutiques. Le synergisme est l'effet maximal de la chimioradiothérapie résultant des interactions complexes entre les deux modalités de traitement, comme l'interaction d'un agent radiosensibilisant avec des électrons
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Coupier, Bruno. "Studies towards the understanding of the effects of ionizing radiations at the molecular scale : (20-150 ke V H+/H + He collisions ; dissociative Electron attachment to water)." Lyon 1, 2005. http://tel.archives-ouvertes.fr/docs/00/06/43/27/PDF/thesecoupier.pdf.

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Ce travail s'inscrit dans le cadre d'études récentes pour la compréhension à l'échelle moléculaire des effets des rayonnements ionisants sur les systèmes biologiques, mises en oeuvre par le groupe IPM de l'IPNL en collaboration avec l'Institut für Ionenphysik de l'Université d'Innsbruck. Il est composé de deux parties. La première présente un nouvel ensemble de mesures des sections efficaces d'ionisation de l'hélium par impact de protons ou d'atomes d'hydrogène dans la gamme d'énergie d'intérêt pour la radiobiologie (20 à 150keV). Il s'agit de systèmes modèles d'intérêt pour la compréhension d
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Coupier, Bruno Farizon Michel Märk Tilmann. "Studies towards the understanding of the effects of ionizing radiations at the molecular scale (20-150 ke V H+/H + He collisions ; dissociative Electron attachment to water) /." Villeurbanne : Université Claude Bernard, 2005. http://tel.archives-ouvertes.fr/docs/00/06/43/27/PDF/thesecoupier.pdf.

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Reproduction de : Thèse de doctorat : Physique nucléaire : Lyon 1 : 2005. Reproduction de : Thèse de doctorat : Physique nucléaire : Innsbruck (Autriche) : 2005.<br>Thèse soutenue en co-tutelle. Thèse en anglais. Titre provenant de l'écran titre. 98 réf. bibliogr.
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Wang, Chunrong. "REAL-TIME OBSERVATION OF MOLECULAR REACTION MECHANISM OF HALOPYRIMIDINES AS RADIO-/PHOTOSENSITIZING DRUGS USING TIME-RESOLVED FEMTOSECOND LASER SPECTROSCOPY." Thesis, 2007. http://hdl.handle.net/10012/3067.

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Replacement of thymidine in DNA by halopyrimidines, such as bromodeoxyuridine (BrdU) and iododeoxyuridine (IdU), has long been known to enhance DNA damage and cell death induced by ionizing/UV radiation, but the mechanism of action of halopyrimidines at the molecular level is poorly understood. We have applied advanced time-resolved femtosecond laser spectroscopy to this molecular system of biological, chemical and medical significance. We obtained the first real-time observations of the transition states of the ultrafast electron transfer (UET) reactions of halopyrimidines with the ultrashort
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Livres sur le sujet "Electron attachment spectroscopy"

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Graupner, R., and F. Hauke. Functionalization of single-walled carbon nanotubes: Chemistry and characterization. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.16.

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This article examines the chemical functionalization and structural alteration of single-walled carbon nanotubes (SWCNTs). It describes the covalent functionalization of the SWCNT framework that is the covalent attachment of functional entities onto the CNT scaffold. In particular, it considers the chemical modification and reactivity of SWCNTs in the context of the reactivity of graphite and fullerenes. It also discusses the defect and sidewall functionalization of SWCNTs, along with various techniques used in the characterization ofSWCNTs upon functionalization, namely: thermogravimetric ana
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Chapitres de livres sur le sujet "Electron attachment spectroscopy"

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Illenberger, Eugen, and Jacques Momigny. "Electron Attachment Spectroscopy." In Topics in Physical Chemistry. Steinkopff, 1992. http://dx.doi.org/10.1007/978-3-662-07383-4_10.

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Loureiro, Jorge, and Jayr Amorim. "Electron Transport, Ionization and Attachment." In Kinetics and Spectroscopy of Low Temperature Plasmas. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-09253-9_5.

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Illenberger, Eugen, and Jacques Momigny. "Negative Ions Observed in Electron Transmission and Electron Attachment Spectroscopy." In Topics in Physical Chemistry. Steinkopff, 1992. http://dx.doi.org/10.1007/978-3-662-07383-4_11.

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"The Wide-angle Toroidal Energy Analyzer Attachment." In Secondary Electron Energy Spectroscopy in the Scanning Electron Microscope. WORLD SCIENTIFIC, 2020. http://dx.doi.org/10.1142/9789811227035_0002.

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Hsine, Zouhour, and Rym Mlika. "Novel Sensor Based on Nanocarbon Transducer Functionalized by Iron (III) Porphyrin for the Impedimetric Detection of Bisphenol A." In Bisphenols [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98560.

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In this chapter, an impedimetric response of iron (III) porphyrin (Fe(III)TMPP) functionalized on gold transducer towards the detection of three phenolic compounds entitled bisphenol A (BPA), 2,2′-biphenol and catechol has been studied. The bisphenol A that has revealed the best affinity with Fe(III)TMPP membrane has been chosen as the target analyte. For improved sensitivity of Au/Fe(III)TMPP sensor towards BPA, a facile and efficient Au/RGO nanocarbon transducer based on reduced graphene oxide (RGO) has been prepared and used to support Fe(III)TMPP membrane. The obtained Au/RGO/Fe(III)TMPP s
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Kausar, Samia, Ataf Ali Altaf, Muhammad Hamayun, Amin Badshah, and Abdul Razzaq. "Supramolecular Chemistry and DNA Interaction Studies of Ferrocenyl Ureas and Thioureas." In Photophysics, Photochemical and Substitution Reactions- Recent Advances [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.84412.

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In this chapter, we have discussed the characteristics and bioapplicabilities of different ferrocene derivatives, for example, amides, amines, sulfonamide, and polymers, focusing mainly on urea and thiourea derivatives due to their autonomous and widespread spectroscopic action and bioactivities. Supramolecular chemistry of ferrocenyl ureas and thioureas is described owing to exploring their mode of interactions within and among the molecules and the role of these supramolecular structures in enhancing the DNA intercalation. DNA interaction studies of these ferrocenyl-based ureas and thioureas
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Actes de conférences sur le sujet "Electron attachment spectroscopy"

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Tapper, R. C., J. R. Smith, I. B. Beech, et al. "The Effect of Glutaraldehyde on the Development of Marine Biofilms Formed on Surfaces of AISI 304 Stainless Steel." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97205.

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Abstract The effect of pre-conditioning polished and unpolished AISI 304 stainless steel surfaces with glutaraldehyde on the attachment, growth and morphology of an aerobic consortium of marine bacteria was investigated using total cell number counts, epifluorescence microscopy, Atomic Force Microscopy (AFM), Environmental Scanning Electron Microscopy (ESEM) and grazing-angle Fourier Transform Infrared (FTIR) spectroscopy. Both fully hydrated and dehydrated biofilms were studied using AFM and ESEM. Formation of the conditioning layer on steel surfaces from the culture medium, in the presence a
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Alabbas, Faisal M., Anthony E. Kakpovbia, Alyaa Elramady, John R. Spear, Brajendra Mishra, and David L. Olson. "Magnetic Fields Effects on Microbiologically Influenced Corrosion." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-3817.

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Abstract It has been accepted that corrosion protection systems and non-destructive inspection methods produce remnant magnetic fields (RMF) to pipeline steel. The present study investigates the influence of remnant magnetic fields inducted by these tools on microbiologically influenced corrosion (MIC) by a sulfate reducing bacteria (SRB) consortium. The corrosion behavior of carbon linepipe steel exposed to different conditions having either a magnetized or nonmagnetized biotic medium, was investigated by electrochemical impedance spectroscopy (EIS), linear polarization resistance (Rp) and op
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Chen, G., S. V. Kagwade, G. E. French, C. R. Clayton, T. E. Ford, and R. Mitchell. "Metal Ion and Exopolymer Interaction: A Surface Analytical Study." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95219.

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Abstract Various concentrations of molybdate were added to the protein containing and deproteinated exopolymers of a marine bacterium, Deleya marina. The interaction was investigated by X-ray photoelectron spectroscopy (XPS) and electron spin resonance (ESR). Molybdate reduction was observed exclusively in the deaerated protein containing exopolymer, resulting in the formation of a Mo5+ species. This species appeared to be susceptible to reoxidation in the presence of soluble oxygen. Thus, only hexavalent molybdenum was seen in the aerated suspension. The "reducing agents" could be the residua
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Böhm, Alexander, Melanie Gattermayer, Franz Carstens, Samuel Schabel, and Markus Biesalski. "Designing Microfabricated Paper Devices through Tailored Polymer Attachment." In Advances in Pulp and Paper Research, Cambridge 2013, edited by S. J. I’ Anson. Fundamental Research Committee (FRC), Manchester, 2013. http://dx.doi.org/10.15376/frc.2013.2.599.

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In the present paper we show that polystyrene–based copolymers, which carry a defined amount of photo–reactive benzophenone moities can be transferred and immobilized to paper substrates via a simple dip coating approach and subsequent illumination of the paper substrates with UV-light. Non-bound macromolecules can be removed from the cellulose fibers by solvent extraction. Thereby, the amount of immobilized polymer can be adjusted over a wide range by changing the polymer concentration in the dip coating solution. The resulting polymer-modified paper substrates were characterized using IR spe
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Gelabert, H., J. Belloni, J. L. Marignier, and Y. Gauduel. "Femtosecond Electron Transfer and Real Time Discrimination of a Disulfide Bond Formation." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.tue.26.

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The aim of this experimental work is to discriminate, in real time, the first steps of a S-S bond formation in solution (figure 1). One electron reduction or oxidation of a simple thioether, the dimethylsulfide (CH3SCH3), has been investigated by femtosecond UV-IR spectroscopy. Indeed, when an electron of excess energy is injected in a liquid organic sulfide characterized by a high electron affinity, an irreversible electron attachment competes with the solvation process. This electron transfer yields a primary anion (RSR-, R = CH3) which exhibits a high reactivity through an ultrafast ion-mol
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Lall, Pradeep, Daniel Karakitie, and Scott Miller. "Surface-Mount Component Attachment on Aerosol Jet Printed Sustainable Water-Base Silver Nanoparticle Ink." In ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/ipack2023-111957.

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Abstract Additive methods are preferred over processes that need hard tooling due to ramp-up speed and soft tooling. Increasing demand for the miniaturization of electronics has accelerated the development of flexible electronics technology. Flexible electronic architectures have gained traction in products for various end applications. The prior generation of additive processes used volatile organic solvent-based inks to fabricate printed circuits. Increased emphasis on environmental, social, and governmental factors has called attention to the development of sustainable products. Recent mate
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Maharubin, Shahrima, Xiaomei Shu, Manavi Singh, Benildo De los Reyes, and George Tan. "Surface Modifications of Titanium With Covalently-Bonded Silver Nanoparticles for Antimicrobial Applications." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2870.

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Abstract Formation of biofilm on implant surface is one of the major causes for port-operative infection. Incorporation of antimicrobial silver nanoparticles (AgNPs) on implant surface has been studied as an effective remedy in recent decades. This paper presents a novel AgNPs-titanium composite foil manufactured through covalent attachment of AgNPs for biofilm control. This composite foil was fabricated by a series of chemical reactions including thiol-derivatization and formation of Ag-S covalent bonds. The film structure and properties were characterized through scanning electron microscopy
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Lall, Pradeep, Daniel Karakitie, and Scott Miller. "Additively Printed Circuits Using Biodegradable Substrates on Aerosol-Jet With Aqueous-Based Silver Conductive Paste Using ECA and Low-Temperature Interconnects." In ASME 2024 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/ipack2024-141879.

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Abstract Traditionally, the manufacture of printed circuits relied on volatile organic solvent-based inks, a practice now scrutinized due to growing environmental concerns. There’s a notable shift towards water-based inks, offering a reduced environmental footprint by replacing volatile solvents with water as the carrier medium. However, despite their promising attributes, the functionalities and performances of circuits created with these sustainable inks remain relatively unexplored compared to their non-sustainable counterparts. This study addresses this knowledge gap, focusing on the innov
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Hubbard, William A., Ho Leung Chan, and B. C. Regan. "High-Resolution Conductivity Mapping with STEM EBIC." In ISTFA 2022. ASM International, 2022. http://dx.doi.org/10.31399/asm.cp.istfa2022p0251.

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Abstract Modern electronic systems rely on components with nanometer-scale feature sizes in which failure can be initiated by atomic-scale electronic defects. These defects can precipitate dramatic structural changes at much larger length scales, entirely obscuring the origin of such an event. The transmission electron microscope (TEM) is among the few imaging systems for which atomic-resolution imaging is easily accessible, making it a workhorse tool for performing failure analysis on nanoscale systems. When equipped with spectroscopic attachments TEM excels at determining a sample’s structur
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Ghazanfari, Amir, Wenbin Li, Ming C. Leu, Jeremy Watts, Yiyang Zhuang, and Jie Huang. "Freeform Extrusion Fabrication of Advanced Ceramic Components With Embedded Sapphire Optical Fiber Sensors." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9270.

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Traditionally, sensors to be integrated into a structural component are attached to or mounted on the component after the component has been fabricated. This tends to result in unsecured sensor attachment and/or serious offset between the sensor reading and the actual status of the structure, leading to performance degradation of the host structure. This paper describes a novel extrusion-based additive manufacturing process that has been developed to enable embedment of sensors in ceramic components during the part fabrication. In this process, an aqueous paste of ceramic particles with a very
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