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Dissertations / Theses on the topic 'Zinc oxide – Structure'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Yang, Rusen. "Oxide nanomaterials synthesis, structure, properties and novel devices /." Diss., Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-06212007-161309/.

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Thesis (Ph. D.)--Materials Science and Engineering, Georgia Institute of Technology, 2008.<br>Peter J. Hesketh, Committee Member ; Zhong Lin Wang, Committee Chair ; C.P. Wong, Committee Member ; Robert L. Snyder, Committee Member ; Christopher Summers, Committee Member.

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2

Jokela, Slade Joseph. "Stability and structure of hydrogen defects in zinc oxide." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Dissertations/Fall2006/s_jokela_122106.pdf.

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3

Yan, Xiaodong. "Controllable fabrication of zinc oxide functional nano-/micro-structure in aqueous solution." Thesis, University of Auckland, 2010. http://hdl.handle.net/2292/5930.

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Nanostructures of ZnO show intriguing chemical, electrical, and physical properties and are promising for a broad range of applications in catalysis, electronics and photonics. Cost-effective techniques that can be used to prepare structures with controllable compositional, structural, and functional properties are fundamental to the utilization of ZnO in small scale devices with enhanced performance. Although many methods have been developed to fabricate ZnO nanostructures, systematic research on functional materials development based on ZnO is still needed as this fascinating material

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4

Yoshihara, Jun. "Model copper/zinc oxide catalysts for methanol synthesis : the role of surface structure /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/8539.

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5

Kuo, Fang-Ling. "Electrical and Structure Properties of High-κ Barium Tantalite and Aluminum Oxide Interface with Zinc Oxide for Applications in Transparent Thin Film Transistors". Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc84233/.

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ZnO has generated interest for flexible electronics/optoelectronic applications including transparent thin film transistors (TFTs). For this application, low temperature processes that simultaneously yield good electrical conductivity and optical transparency and that are compatible with flexible substrates such as plastic, are of paramount significance. Further, gate oxides are a critical component of TFTs, and must exhibit low leakage currents and self-healing breakdown in order to ensure optimal TFTs switching performance and reliability. Thus, the objective of this work was twofold: (1) de

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6

Masuda, Yoshitake, Mitsuru Ohta, Won-Seon Seo, et al. "Structure and thermoelectric transport properties of isoelectronically substituted (ZnO)5In2O3." Elsevier, 2000. http://hdl.handle.net/2237/6208.

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7

Tu, Wei-Lun Scharf Thomas W. "Processing, structure, and tribological property interrelationships in sputtered nanocrystalline ZnO coatings." [Denton, Tex.] : University of North Texas, 2009. http://digital.library.unt.edu/ark:/67531/metadc12207.

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8

Yang, Yang, and 楊暘. "Atomic structure studies of zinc oxide (0001) polar surface by low energy electron diffraction at multiple incident angles." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48199515.

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Zinc oxide surfaces have been of considerable interest because of their favorable properties, such as high electron mobility, good transparency, large electronic breakdown field and wide bandgap. Knowing the surface structure of ZnO is the key to better understand the above phenomena and to further develop its applications. In this thesis, the Patterson Function was evaluated by inversion of LEED I-V spectra at multiple incident angles to determine the surface structure of the ZnO(0001) polar surface. The sample was prepared by degassing and then 15 cycles of argon sputtering and annealing.

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9

Günter, Marco Maria. "Structure and activity of copper-zinc oxide catalysts studied using X-ray diffraction and absorption spectroscopy." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=962998508.

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10

Önsten, Anneli. "Surface Reactivity and Electronic Structure of Metal Oxides." Doctoral thesis, KTH, Materialfysik, MF, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33667.

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The foci of this thesis are the metal oxides Cu2O, ZnO and Fe3O4 and their interaction with water and sulfur dioxide (SO2). The intention is to study SO2-induced atmospheric corrosion on a molecular level. All studies are based on photoelectron spectroscopy (PES) and scanning tunneling microscopy (STM) measurements. The band structure of Cu2O in the Γ-M direction has been probed by angle-resolved PES (ARPES). It reveals a more detailed picture of the bulk band structure than earlier data and gives the first experimental evidence of a dispersive hybridized Cu 3d-Cu 4s state. The experimental da

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11

Liu, Bo-Hong [Verfasser]. "Preparation and Structure of Ultra-Thin Zinc Oxide Films on Pt(111), Ag(111) and Cu(111) / Bo-Hong Liu." Berlin : Freie Universität Berlin, 2015. http://d-nb.info/1080522115/34.

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12

Tisseraud, Céline. "Origine et impact de la synergie Cu-ZnO sur l'hydrogénation catalytique du CO2 en méthanol." Thesis, Poitiers, 2016. http://www.theses.fr/2016POIT2295/document.

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L’hydrogénation catalytique du CO2 est considérée comme l’une des voies de valorisation les plus prometteuses pour la production du méthanol. Cette synthèse, souvent accompagné par une formation de CO, a fait l’objet de nombreuses études dans la littérature. Cependant, les résultats obtenus sur des catalyseurs à base de Cu et de ZnO ont démontré que cette réaction n’est pas aussi simple qu’elle y paraissait. Il y a encore beaucoup de controverses et d’interrogations sur la nature des sites actifs et sur les différentes étapes réactionnelles mises en jeu lors de la réaction. L’objectif de ce tr

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13

Chung, Wing-lun, and 鍾詠麟. "Determination of surface atomic structures of Bi₂Se₃(111)-(2X2) film and ZnO nano-rods by low energy electron diffraction." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/202356.

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14

Tu, Wei-Lun. "Processing, Structure, and Tribological Property Interrelationships in Sputtered Nanocrystalline ZnO Coatings." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc12207/.

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Solid lubricant coatings with controlled microstructures are good candidates in providing lubricity in moving mechanical assembly applications, such as orthopedics and bearing steels. Nanocrystalline ZnO coatings with a layered wurtzite crystal structure have the potential to function as a lubricious material by its defective structure which is controlled by sputter deposition. The interrelationships between sputtered ZnO, its nanocrystalline structure and its lubricity will be discussed in this thesis. The nanocrystalline ZnO coatings were deposited on silicon substrates and Ti alloys by RF

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15

Lee, William (Chun-To). "Harvesting Philosopher's Wool: A Study in the Growth, Structure and Optoelectrical Behaviour of Epitaxial ZnO." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/2507.

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This thesis is about the growth of ZnO thin films for optoelectronic applications. ZnO thin films were grown using plasma assisted molecular beam epitaxy and were studied using various conventional and novel characterisation techniques. The significance of different growth variables on growth efficiency was investigated. The growth rate of ZnO films was found to be linearly dependent on the Zn flux under O-rich growth conditions. Under Zn-rich conditions, the growth rate was dependent on both atomic and molecular oxygen flux. By characterising the oxygen plasma generated using different RF pow

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Tarkin, Eylem. "Characterization And Study Of Solution Properties Of Poly(propylene Oxide) Synthesized By Metal Xanthate Catalysts." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1086099/index.pdf.

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Zinc xanthates polymerize propylene oxide into high polymer (PPO) with coordination mechanism. In order to identify structure and stereoisomerisms of this polymer, PPO was subjected to thermal and column fractionation. Obtained fractions were characterized by end-group analysis, cryoscopy, viscometry, IR and 13C-NMR spectroscopy, melting temperature. PPO is composed of a high molecular weight, stereoregular, crystallizable polymer (K-polymer) with low molecular weight (=500 g/mol) D-polymer. Presence of double bonds and hydroxyl terminals was interpreted as the product of an anionic mechanism.

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17

Gutmann, Sebastian. "Electronic Structure Characterization of Nanocrystalline Surfaces and Interfaces with Photoemission Spectroscopy." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3137.

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In this study, photoemission spectroscopy (PES) was used to investigate the electronic properties of nanocrystalline titanium dioxide (TiO2), zinc oxide (ZnO), and cadmium selenide (CdSe). Electrospray deposition technique enabled the preparation of thin films in vacuum from a dispersion prepared outside the vacuum chamber. This method also allowed the step-wise formation of interfaces and the monitoring of the evolution of the electronic structure with intermittent PES characterization. The work function of nanocrystalline TiO2 and ZnO was measured with ultraviolet photoemission spectroscopy

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18

Deinert, Jan-Christoph [Verfasser], Julia [Akademischer Betreuer] Stähler, Martin [Akademischer Betreuer] Wolf, Martin [Gutachter] Wolf, Mario [Gutachter] Dähne, and Julia [Gutachter] Stähler. "Zinc oxide surfaces and interfaces: electronic structure and dynamics of excited states / Jan-Christoph Deinert ; Gutachter: Martin Wolf, Mario Dähne, Julia Stähler ; Julia Stähler, Martin Wolf." Berlin : Technische Universität Berlin, 2016. http://d-nb.info/1156016134/34.

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19

Köhl, Dominik [Verfasser]. "The influence of energetic bombardment on the structure formation of sputtered zinc oxide films : development of an atomistic growth model and its application to tailor thin film properties / Dominik Köhl." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018218637/34.

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20

Dumergue, Mathieu. "Luminescence ultraviolette et dynamiques excitoniques dans l’oxyde de zinc massif et nano-structuré." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0032/document.

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Cette thèse présente les travaux effectués au CELIA sur la luminescence ultraviolette et les dynamiques excitoniques dans l’oxyde de zinc (ZnO) sous forme massive et nano-structurée. Les mesures ont été effectuées en conditions expérimentales contrôlées (température, fluence d’excitation), pour différentes énergies de photon excitateur. Nous avons mesuré les spectres d’émission sous excitation à un photon UV (4,66 eV), ainsi que à 3 photons IR (1,55 eV), et proposé un schéma séquentiel de formation des excitons (avec simulations), en particulier pour les excitons DX. Nous avons obtenu une duré

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21

Ding, Lu. "Optical and magneto-optical studies of crystalline and nano-structured zinc oxide /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202007%20LU.

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22

Lord, Alexander M. "Electronic and structural properties of Au contacts on ZnO nanowires." Thesis, Swansea University, 2013. https://cronfa.swan.ac.uk/Record/cronfa42804.

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Zinc Oxide has emerged from an unspectacular past in the field of electronics to become one of the most widely researched materials for future devices. Here we investigate the growth and electrical properties of semiconducting ZnO nanowires for future application in the field of Nano-Devices and present a solution to control the behaviour of the electrical contacts. ZnO nanowires (NWs) from initial growth experimentation and optimisation have been thoroughly characterised both structurally and electrically. Structural characterisation revealed the high quality of nanowires from vapour phase an

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23

Skopin, Evgenii. "Etude des premiers instants du dépôt chimique par flux alternés (ALD) de films ZnO ultra minces sur In0,53Ga0,47As, dans le but d'optimiser la résistance de contact d'une structure MIS." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAY016/document.

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Ce travail porte sur l'étude des étapes initiales du dépôt de couches atomiques de ZnO (ALD) sur une surface (100) de In0,57Ga0,43As, par l'utilisation de techniques de caractérisation in situ (rayonnement synchrotron). En raison de la grande mobilité des électrons, le semi-conducteur III-V InGaAs est un matériau potentiel pour remplacer le canal de Silicium dans les transistors à effet de champ (MOSFET). Afin de diminuer la hauteur de la barrière Schottky et la résistance de contact, une couche ultra-mince (tunnel) de ZnO peut être insérée entre le métal et le semiconducteur InGaAs. Au cours

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Offenberger, Sean Alan. "Investigation of Zinc Oxide Nanowires for Impedance Based Structural Health Monitoring." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/82502.

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The goal of this work is to investigate the piezoelectricity of composite laminates embedded with layers of zinc oxide (ZnO) nanowires. ZnO nanowire embedded composites have the potential to sense and actuate giving the potential for these smart composites to serve the function of being load bearing structures and monitoring the integrity of the structure. This work examines the piezoelectric characteristics of composite beams by investigating their electromechanical coupling in the form of vibration under the presence of electrical excitation. With the help of a mathematical model, piezoelect

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Zou, Lanlan, and 邹兰兰. "Annealing studies on the structural and magnetical properties of Co implanted ZnO single crystal." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B49799691.

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As a wide band gap semiconductor, Zinc Oxide (ZnO) has recently attracted considerable attention due to its wide applicability. Transition metal (TM) doped ZnO is one of the most intensive research field in the last decade because of its possible application in spintronics devices. The Co-implanted ZnO has been considered as one of the most promising candidate in the field of diluted magnetic semiconductor (DMS). In this study, the magnetic and structural properties of Co-implanted ZnO single crystal were investigated. ZnO single crystals were implanted with 100 keV-Co ions at 300K with a fl

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26

Piot, Lucas. "Influence de l’énergie d’interface sur les transitions de phase sous pression : étude de nanoparticules d’oxydes fonctionnels." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10238/document.

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La modification des diagrammes de phase sous pression dans les nanomatériaux en comparaison de matériaux massifs est généralement reliée de façon univoque à l'énergie de surface. L'objectif de ce travail a consisté à étudier l'influence de l'énergie d'interface, définie par l'état de surface (défauts cristallins et chimie de surface) et l'énergie de surface, sur le comportement à haute pression de différents nanomatériaux pour lesquels un effet de taille est fréquemment rapporté. Le contrôle et la caractérisation de l'état de surface de nanoparticules d'Y2O3 nous ont permis de montrer que l'am

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Ross, Ian Mark. "Structural development and physical characterisation of undoped and doped zinc oxide powders." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366428.

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Tola, Pascal. "Détection visible de l'EXAFS : une nouvelle méthode de détection de la structure fine des spectres d'absorption X." Nancy 1, 1992. http://www.theses.fr/1992NAN10002.

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La détection visible de l'EXAFS (extended x-ray absorption fine structure) est une méthode spectroscopique récente qui permet dans certains cas de l'enregistrement du spectre de photoabsorption X et de ses oscillations fines. Le principal avantage escompté est la sélectivité de sites cristallochimiques, qui n'est pas obtenue par les méthodes classiques. Comme l'EXAFS, elle requiert l'emploi du rayonnement synchrotron monochromatisé, et le montage expérimental s'apparente aux techniques XEOL (x-ray emission optical luminescence). Après un rappel de la théorie mise en jeu dans les techniques d'a

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Karaliūnas, Mindaugas. "Investigation of Zinc Oxide Heterostructures for Optoelectronic Devices by Means of Spectroscopy Methods." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2013~D_20130925_093437-48058.

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In doctoral dissertation, results of investigation on zinc oxide based semiconductor layers and heterostructures for application in optoelectronics by spectroscopy methods are presented. High quality zinc oxide layers and heterostructures were characterized optically. That is ZnO, ZnO:Ga and MgZnO epitaxial layers grown by molecular beam epitaxy technique, ZnO:N layers grown by magnetron sputtering method, CdZnO/ZnO quantum wells structures for light-emitting diodes grown on GaN layers by combined molecular beam epitaxy and metalorganic chemical vapor deposition techniques. In this work, new d

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Ghifari, Najla. "Microfluidic-based colloidal ZnO microcapsules : synthesis, structure,organization and first applications." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST066.

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Ce travail se concentre sur le développement d’une approche microfluidique originale à base degouttelettes pour générer des sphères de ZnO de taille micrométrique très monodispersées avec une taille et une morphologie bien contrôlées. Cette approche est simple et prometteuse non seulement pour la fabrication de microcapsules de ZnO de taille uniforme, avec une taille ajustable et un contrôle précis à l’échelle micrométrique, mais aussi pour acquérir de nouvelles connaissances sur la compréhension des processus de croissance colloïdale et l’auto-organisation des nanoparticules de ZnO par la voi

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PEREIRA, LUCIANO F. D. "Estudo do gradiente de campo elétrico e da estrutura eletrônica do ZnO dopado com Co e Cd e do HfOsub(2) dopado com Ta por cálculos de primeiros princípios." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10031.

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Made available in DSpace on 2014-10-09T12:34:00Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:01:05Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/D<br>Instituto de Pesquisas Energéticas e Nucleares - IPEN-CNEN/SP

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Pandey, Bimal. "Synthesis, Characterization, Structural, and Optical Properties of Zinc Oxide Nanostructures Embedded in Silicon Based Substrates." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc500222/.

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Structural and optical properties of ZnO nanostructures synthesized by low energy ion implantation technique were examined. ZnO molecular ions were implanted into Si/SiO2 substrates at room temperature and then furnace annealed under different temperatures and environments. In all as-implanted samples only Zn nanostructures with varying diameters distributed into the Si/SiO2 matrices were observed. No trace of ZnO was found. The distributions of Zn nanostructures in Si/SiO2 closely matched results from Stopping and Range of Ions in Matter (SRIM) simulations. During annealing at 750 oC, Zn dif

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Liu, Zhaoting. "Synthesis, characterization and properties of wood-templated oxides with hierarchical porous structures." Troyes, 2009. http://www.theses.fr/2009TROY0004.

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Les nouveaux morph-génétiques poreux matériaux ont des potentielles applications dans les domaines de séparation et purification des matières, de l’adsorption sélective, de la fonction optique et de la conception de capteurs. Mais il est difficile de fabriquer ce genre de matériau par les techniques traditionnelles. Du fait de la diversité de ces matériaux, les structures bois morph-génétiques poreuses sont complexes et sont formées par les organismes eux-mêmes (morph-transformation génétique). Inspiré par cette transformation macro-biologique, la technologie morph-transformation génétique peu

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Yang, Liu. "Caractérisation de couches minces de ZnO élaborées par la pulvérisation cathodique en continu." Phd thesis, Université du Littoral Côte d'Opale, 2012. http://tel.archives-ouvertes.fr/tel-00919764.

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Ce mémoire concerne un ensemble d'élaboration et de caractérisation de couches minces à base de ZnO par la pulvérisation cathodique en continu. L'étude structurale montre que le traitement thermique lors du dépôt et post-dépôt à l'air ont une influence similaire sur l'augmentation de la taille de cristallites jusqu'à une température de 250°C. À partir de cette température critique, la taille des cristallites continue à augmenter en fonction de la température de recuit, alors qu'elle diminue légèrement avec la température de dépôt. L'étude morphologique montre que le traitement thermique lors d

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CORDEIRO, MOACIR R. "Investigação de interações hiperfinas em Zn(1-x)MT(x)O, onde MT=(V, Cr, Mn, Fe, Co, Ni, Cu) pela técnica de correlação angular gama-gama perturbada." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10073.

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Made available in DSpace on 2014-10-09T12:34:26Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:48Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Deacon, Liam Matthew. "Structural, electronic and magnetic studies of polar zinc oxide surfaces and their interfaces with ultra-thin cobalt films." Thesis, University of Reading, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625440.

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Zinc oxide (ZnO) has a desirable combination of opto-electronic properties that, when combined with magnetic transition metal dopants such as cobalt, place it at the forefront of next generation materials to harness both electron charge and spin in the field now known as spintronics. In this thesis the polar (0001) surfaces of ZnO single crystals are revisited and used as a basis for the growth of ultrathin cobalt films before subsequent processing in an effort to produce a CoZnO dilute magnetic semiconductor. A method using Zn sublimation partial pressures is given that provides reliable prep

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Egal, Magali. "Structure and properties of cellulose/NaOH aqueous solutions, gels and generated objects." Ecole nationale supérieure des mines de Paris, 2006. http://www.theses.fr/2006ENMP1419.

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Il est connu que la cellulose peut être dissoute dans des solutions aqueuses d’hydroxyde de sodium dans un petit domaine de concentration (6-10% NaOH) et de températures (-10°C/-4°C). Les solutions de cellulose ainsi obtenues ne sont pas stables et gélifient en fonction du temps et de la température. Il a également été montré que la présence d’additifs –tels qu’oxyde de zinc et urée – améliore la dissolution des fibres de cellulose et la stabilité des solutions.<br>It has been reported that cellulose can be dissolved in aqueous sodium hydroxyde solutions in a narrow range of NaOH concentration

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Lippert, Marc. "Elaboration et caractérisation de couches minces piezoélectriques d'oxyde de zinc obtenues par pulvérisation cathodique." Valenciennes, 1999. https://ged.uphf.fr/nuxeo/site/esupversions/6a235e1a-0eaf-4bd6-a862-aafdf1dd7913.

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L'étude porte sur l'élaboration et la caractérisation de couches minces d'oxyde de zinc (ZnO) obtenues par une technique de pulvérisation cathodique radiofréquence magnétron. Ces couches sont analysées par des techniques classiques de caractérisation des matériaux : la diffraction des rayons x et le microscope électronique a balayage. Ces films minces présentent deux orientations préférentielles suivant la position face à la cible et sous certaines conditions de dépôt : une couche bien texturée ou l'axe c est perpendiculaire à la surface du substrat et une couche qui possède un axe c parallèle

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Badre, Chantal. "Etude de la réactivité de surface par mesure d'angle de contact : influence de la fonctionnalisation et de la structure : applications aux films d'oxyde de zinc électrodéposés." Paris 6, 2007. https://pastel.archives-ouvertes.fr/pastel-00004902.

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Le travail présenté dans ce manuscrit concerne l’étude de la réactivité de surface par mesures d’angles de contact. Nous nous sommes plus particulièrement intéressés à l’élaboration de surfaces texturées rugueuses. Dans la première partie, nous avons préparé des polymères formés d’un mélange de PVC et d’acide laurique. Puis, ces films sont rendus rugueux en y incorporant des billes d’aérosil. Mais, l’inconvénient de ce type de surface réside dans le fait qu’il n’est pas aisé d’en modifier la morphologie ni de la contrôler. Dans la deuxième partie, nous nous sommes intéressés à des matériaux do

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Molepo, Mahlaga Phineas. "Computational study of the structural phase transitions and pressure dependent electronic structure of ZnO." Thesis, 2012. http://hdl.handle.net/10539/11941.

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We use rst-principles calculations based on density functional theory to study the structural properties and pressure-induced solid-solid phase transitions of ZnO. Both the local-density approximation (LDA) and the PBE96 form of the generalized gradi- ent approximation (GGA) are employed together with the projector augmented wave (PAW) method to mimic the electron-ion interaction. The electronic structure is investigated by the HSE hybrid functional and a partially self-consistent GWapprox- imation. We consider the wurtzite (B4), rocksalt (B1), zinc blende (B3), CsCl (B2), PbO (B10), N

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VanLeeuwen, Dawn. "Completeness and sufficiency under normality in mixed model designs." Thesis, 1993. http://hdl.handle.net/1957/35705.

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Chia-HuiLu and 呂嘉輝. "Zinc Oxide Thin Film MEMS Gas Sensor with Different Structure." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/na42xn.

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Thorbahn, Jeremy G. "Local Structure and the Photoelastic Response in Zinc-modified Oxide Glass." Thesis, 2013. http://hdl.handle.net/10222/35368.

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Understanding the relationship between the structure of materials and their properties allows for the development of new applications and technologies. Here the relationship between local structure and optical properties in several binary oxide glass systems containing zinc oxide was examined, in particular the relationship between structure, applied stress and induced birefringence in a glass. The empirical model introduced by Zwanziger and co-workers posits a negative correlation between the ratio of the bond length to coordination number in a glass and the induced birefringence; zinc oxide

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Hsaio, Chia-Pin, and 蕭家斌. "Study of Zinc Oxide with Nanodendrite Structure for Ethanol Sensing Applications." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/ecer87.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>103<br>In this thesis, the PNPN heterojunctions with three-dimensional nanodendrite structure were developed for ethanol sensing applications. Firstly, the p-type silicon substrates were etched into nanorods structure by immersing in a mixture of chemical solution. The solution is composed of silver nitrate (AgNO3) and hydrofluoric acid (HF). Next, a zinc oxide (ZnO) film was deposited on the Si nanorods as a seed layer by RF sputtering system. Hydrothermal method was used immediately for growing ZnO nanowires. Copper oxide (CuO) and ZnO thin film were deposited se

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Huai-ShanChin and 秦懷山. "Effect of Zinc-Oxygen Ration in Crystal Structure and Luminescence Properties of Zinc Oxide Thin Films." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/26873x.

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博士<br>國立成功大學<br>工程科學系<br>105<br>In this study, a reactive radio frequency magnetron sputtering method was used to deposit zinc oxide (ZnO) thin films on indium tin oxide substrates at room temperature. By changing the oxygen concentrations and thermal annealing parameters, the effects of ZnO ratio on the crystal structure and luminous properties of the ZnO thin films were explored. The experiment results showed that an increase in oxygen concentration gradually decreased excess Zn content in the thin films and made the thin film crystallization situation more noticeable. Next, the as-deposited

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Chou, Tsung-Wei, and 周宗蔚. "Influence of Zinc Sulfide Shell Structure on Hydrogen Sensing Properties of Zinc Oxide Nanorod-based Gas Sensor." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3d2q4e.

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碩士<br>國立暨南國際大學<br>應用材料及光電工程學系<br>106<br>In this thesis, we first grew the seed layer on the silica sensor by spin coating methods. Then, we used hydrothermal methods to deposit the zinc oxide nanorods on top of the seed layer to make the zinc oxide nanorod sensors. After the growth of ZnO nanorods was completed, a similar hydrothermal method was used to grow a zinc sulfide shell on the surface of zinc oxide nanorods with different parameters. Thus, the zinc oxide nanorod sensor with core/shell structure was fabricated. Based on the sensing results, it can be seen that the electric resistance w

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Yang, Jan-Liang, and 楊展亮. "The Effect of One-Dimensional Zinc Oxide Structure and Growth by Aluminum." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/40326267436506103491.

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碩士<br>逢甲大學<br>電子工程所<br>97<br>In this study, the ZnO nanowires were deposited on ITO/glass substrate using chemical vapor deposition system. The microstructure of ZnO nanowires is discussed with various deposition conditions, such as concentration ratio of Al/Zn and deposition temperature. The ITO/glass substrate was cleared using acetone and DI water. The temperature of reactive source is 550, 675, 864, and 896 ℃. The chamber pressure was 4 and 8 Torr. The gas flows of Ar and O2 with deposition times for 2 hours were 65 and 100 sccm, respectively. The structures of nanowires were observed by f

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Chen, Chih-jung, and 陳志榮. "Synthesis and Characterization of One-Dimensional Indium Zinc Oxide and Tin Oxide Structure by Chemical Vapor Deposition." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/86152193625492345715.

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博士<br>逢甲大學<br>電機與通訊工程所<br>98<br>In this study, one-dimensional Indium Zinc Oxide (IZO) and tin oxide (SnO2) nanostructures have been successfully synthesis on ITO glass substrate via chemical vapor deposition in low temperature with vapor-liquid-solid (VLS) mechanism. Morphology of IZO and SnO2 nanowires arrays were observed with field emission scanning electron microscopy (FE-SEM). The IZO nanowires optimal experimental parameters are growth pressure is 1 Torr, argon gas flow of 50 sccm and oxygen flow 10 sccm. In this environment, the idea temperatures are 700 ℃ for indium (In) particles and

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Hu, Shen-Hsien, and 胡慎顯. "Design and Fabrication of Zinc Oxide Piezoelectric Devices with Periodic Graphene-like Structure." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/9k7cvu.

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碩士<br>國立虎尾科技大學<br>機械設計工程研究所<br>102<br>Today in SAW devices in the field, the film acoustic resonator generally a simple multi-layer structure of production of the resonator, the process time is extremely time consuming and labor intensive to limit breakthrough process on while operating the missing man on more challenges to the process yield on sex. In this paper, the use of MEMS process technology enables micron film etched graphics designed four different piezoelectric structures (flat, supercell, one-defect and two-defects), the use of aerosol deposition technology to produce different size

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Fishburn, James R. "Local structure determination in the amorphous polymer electrolyte: Poly(propylene oxide)-zinc bromide." 1996. https://scholarworks.umass.edu/dissertations/AAI9619386.

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Polymer electrolytes are neutral polymers that are complexed with salts. They may show promise for use in energy storage devices. However, the conductivity in polymer electrolytes is several orders of magnitude low for use in this application. A major hindrance to improving the conductivity is a lack of understanding of the conduction mechanism. The local structure in the amorphous polymer electrolyte, poly(propylene oxide)-zinc bromide ( (PPO) $\sb{\rm x}$ZnBr$\sb2$), was investigated to obtain a microscopic snapshot of the ionic structure in the conducting amorphous phase. This would provide

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