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Relevant bibliographies by topics / Interfacial defect / Dissertations / Theses

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Dissertations / Theses on the topic 'Interfacial defect'

Author: Grafiati

Published: 25 May 2024

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1

Augustine, Anusree. "Swelling induced debonding of thin hydrogel films grafted on silicon substrate : the role of interface physical-chemistry." Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLS040.

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Les revêtements d'hydrogel sont des réseaux de polymères transparents et hydrophiles capables d’abosrber plusieurs fois leur épaisseur en eau. Cependant, les contraintes induites par le gonflement du film peuvent entraîner un décollement préjudiciable de l'hydrogel ce qui peut limiter l’utilisation pratique des ces revêtements. Dans cette étude, nous proposons de décrire les mécanismes de décollement de films minces d’hydrogel en fonction de leur densité de greffage à l'interface film/substrat. Le but est de pouvoir contrôler et prédire la dégradation des revêtements hydrogel pendant le gonfle

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2

Hariharan, Avinash [Verfasser], Gunther [Gutachter] Eggeler, and Dierk [Gutachter] Raabe. "On the interfacial defect formation mechanism during laser additive manufactering of polycrystalline superalloys / Avinash Hariharan ; Gutachter: Gunther Eggeler, Dierk Raabe ; Fakultät für Maschinenbau." Bochum : Ruhr-Universität Bochum, 2020. http://d-nb.info/1204258333/34.

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3

Pitthan, Filho Eduardo. "Investigação de defeitos e de métodos passivadores da região interfacial SiO2/SiC." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/156795.

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O carbeto de silício (SiC) é um semicondutor com propriedades adequadas para substituir o silício em dispositivos eletrônicos em aplicações que exijam alta potência, alta frequência e/ou alta temperatura. Além disso, é possível crescer termicamente um filme de dióxido de silício (SiO2) sobre o SiC de maneira análoga ao silício. Porém, esses filmes apresentam maior densidade de defeitos eletricamente ativos na região interfacial SiO2/SiC que no caso do SiO2/Si, o que limita a qualidade dos dispositivos formados. Assim, compreender a origem da degradação elétrica e desenvolver métodos para passi

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4

Guttman, Jeremy. "Polymer-based Tunnel Diodes Fabricated using Ultra-thin, ALD Deposited, Interfacial Films." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1469125487.

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5

McAuley, Nigel Anthony. "A study of interfacial defects in hexagonal based bicrystals." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235507.

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6

Kamal, Alm Hajer. "Interfacial Adhesion Failure : Impact on print-coating surface defects." Doctoral thesis, KTH, Fiber- och polymerteknologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194166.

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The aim of this work was to develop a solid knowledge on formulation effects controlling offset ink-paper coating adhesion and to identify key factors of the coating and printing process affecting it. Focus lay on comprehending the impact of pigment dispersant on ink-paper coating adhesion and ultimately on the print quality of offset prints. The work covers laboratory studies, a pilot coating trial designed to produce coated material with a span in surface chemistry and structure, and an industrial offset printing trial. The lab scale studies quantified ink-paper coating adhesion failure duri

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7

Casey, Siobhan. "A study of interfacial defects in semiconductor materials and metals." Thesis, University of Liverpool, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240588.

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8

Besson, Rémy. "Simulation à l'échelle atomique de quelques propriétés volumiques et interfaciales d'alliages ordonnés fer-aluminium." Grenoble INPG, 1997. http://www.theses.fr/1997INPG4201.

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Apres avoir elabore un potentiel semi-empirique adapte aux alliages fe - al de structures b2 et d0#3, nous avons etudie les defauts ponctuels et les joints de grains dans ces composes. A basse temperature, l'ecart a la stchiometrie b2 est accommode par des defauts d'antisite ; a plus haute temperature, des lacunes de fer apparaissent et les defauts tendent a former des complexes dont la structure est tres sensible a l'ecart a la stchiometrie. Nos calculs, reposant sur les energies de formation a temperature nulle, indiquent les types des defauts predominants, mais conduisent a des predictions

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9

Adamczyk, Leslie Ann. "Understanding the Structure and Properties of Self-Assembled Monolayers for Interfacial Patterning." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/28018.

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This dissertation describes the impact of defects on monolayer properties for self-assembled monolayers (SAMs) created by interfacial patterning methods. When forming a two-dimensional interfacial pattern with n-alkanethiols on gold, the desired electrochemical properties are those of a homogeneous, solution adsorbed monolayer. However, even well-ordered SAMs contain a small degree of defects, especially at domain boundaries where two nucleating domains converge. Patterning a surface creates user-defined domain boundaries within the monolayer, potentially having a significant impact on the pro

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10

Chen, Jhewn-Kuang. "The role of defects during precipitate growth in a Ni-45wt% Cr alloy." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-162241/.

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11

Zhao, Yanfei. "Fundamental Solutions and Numerical Modeling of Internal and Interfacial Defects in Magneto-Electro-Elastic Bi-Materials." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1433529049.

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12

Bondon, Arnaud. "Stabilité des écoulements stratifiés en coextrusion : Etude multi-échelle du rôle de l’architecture du copolymère aux interfaces." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0100.

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Le procédé de coextrusion permet de combiner à l’état fondu plusieurs couches de polymères dans une même structure. La compatibilisation des différentes couches est généralement réalisée à l’aide de liants qui réagissent in-situ. Bien que la compatibilisation puisse permettre de réduire ou même supprimer les instabilités macroscopiques d’écoulement, un nouveau défaut qualifié de « granité » peut apparaitre. Très peu de travaux de la littérature traitent les mécanismes gouvernant ce type de défaut. Les phénomènes mis en jeu sont particulièrement complexes puisqu’ils impliquent de façon couplée

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13

Fernando, Joseph F. S. "Crystal seeding and photochemistry of gold-zinc oxide hybrid nanoparticles." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/101206/1/Joseph_Fernando_Thesis.pdf.

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This project investigated the synthesis of hybrid nanoparticles of gold and zinc oxide by using photodeposition and crystal seeding approach. The study extended our understanding of the factors that determine nanocrystal size, shape and ratio of gold and zinc oxide in the hybrid system. Control at this scale is important from a materials-engineering viewpoint and for technological applications such as nonlinear optics, photocatalysis and photovoltaics. This research found that nonlinear optical absorption of zinc oxide can be enhanced by several orders of magnitude by coupling zinc oxide nanop

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14

Ruffini, Antoine. "Influence de la plasticité sur le délaminage et le flambage de films minces déposés sur substrats." Phd thesis, Université de Poitiers, 2013. http://tel.archives-ouvertes.fr/tel-00931401.

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Ce travail de thèse a pour objet l'étude de l'influence de la plasticité sur le délaminage et le flambage de films minces déposés sur substrats. Il repose sur une approche mixte combinant des simulations atomistiques et des calculs analytiques basés sur la théorie des plaques minces de Föppl-von Kármán (FvK). Les simulations ont permis de caractériser, au cours de la formation d'une ride droite, un mécanisme de glissement localisé dans l'interface en pied de cloque entraînant une augmentation de la déflexion maximale de la ride. Ce mécanisme de glissement est également présent lorsque le délam

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15

Dyer, Michael R. El-Azab Anter. "Interfacial and defect structure in nanoscale ceria/zirconia superlattices." Diss., 2006. http://etd.lib.fsu.edu/theses/available/etd-04102006-132136.

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Thesis (M.S.)--Florida State University, 2006.<br>Advisor: Anter El-Azab, Florida State University, College of Engineering, Dept. of Mechanical Engineering. Title and description from dissertation home page (viewed June 9, 2006). Document formatted into pages; contains xi, 64 pages. Includes bibliographical references.

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16

Tseng, Eric Nestor, and 曾瀚輝. "The Study of Interfacial Defect of Metal/Oxide and its Room Temperature Ferromagnetism." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/936eh5.

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博士<br>國立臺灣科技大學<br>材料科學與工程系<br>107<br>In order to establish the relationship between interface structure and magnetic properties, in this study, defect structure of different types of cerium oxide-metal composite structures were analyzed and their room temperature ferromagnetic properties were discussed. Two composite structures were chosen: one was using silver as the core, the ceria nanoparticle as the shell; the other was using ceria hollow sphere as the substrate on which the silver nanoparticle was deposited. The main microstructure analysis techniques used were transmission electron micro

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17

Hou, Shih-Jye, and 侯世傑. "Investigations of Interfacial Defects in the InGaP/GaAs Heterostructures." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/17099200139456474811.

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18

Aljubran, Murtadha A. "Arsenic Removal via Defect-Free Interfacially-Polymerized Thin-Film Composite Membranes." Thesis, 2020. http://hdl.handle.net/10754/666211.

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Billions of people rely solely on groundwater for drinking and daily use. In the last few decades, groundwater was shown to be contaminated with arsenic in high concentrations, especially in Asian countries such as Bangladesh. Arsenic (As) is ranked the first among 20 toxic substances by the Agency for Toxic Substances and Disease Registry (ATSDR) and United States Environmental Protection Agency (USEPA). Because many diseases and deaths were linked to consumption of arsenic-contaminated groundwater, the world health organization (WHO) reduced the arsenic standard level for drinking water from

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19

Ali, Zain. "Development of State-Of-The-Art Interfacially Polymerized Defect-Free Thin-Film Composite Membranes for Gas- and Liquid Separations." Diss., 2019. http://hdl.handle.net/10754/646800.

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This research was undertaken to develop state-of-the-art interfacially polymerized (IP) defect-free thin-film composite (TFC) membranes and understand their structure-function-performance relationships. Recent research showed the presence of defects in interfacially polymerized commercial membranes which potentially deter performance in liquid separations and render the membranes inadequate for gas separations. Firstly, a modified method (named KRO1) was developed to fabricate interfacially polymerized defect-free TFCs using m-phenylene diamine (MPD) and trimesoyl chloride (TMC). The system

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20

Li, Tzuyuan, and 李自原. "The Effect of Interfacial Defects on the Exchange Bias in the MgO/NiO/Ni3Fe System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/90899245158584528434.

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碩士<br>國立清華大學<br>材料科學工程學系<br>101<br>Exchange bias(EB) is an interfacial magnetic phenomenon. After a bilayer film made of a ferromagnet and antiferromagnet goes through a field-cooling process from above the antiferromagnet's Néel temperature, these two materials will couple magnetically at their interface. Thus, a nickel-iron/nickel-oxide bilayer can magnetically couple and enable EB. This phenomenon is related to the interfacial arrangement of atomic magnetic moments. However, it is quite difficult to experimentally observe the direction of magnetic moments for individual atoms, and even hard

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21

Liu, Tai-Kang, and 劉代康. "First-principles Analyses of Unusual Ferromagnetism in CoSi-SiO2 Core-Shell Nanowires from Internal and Interfacial Defects." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/41297275361016902786.

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碩士<br>國立清華大學<br>材料科學工程學系<br>102<br>The diamagnetic semimetal CoSi presents unanticipated ferromagnetism as CoSi/SiO2 nanowires.[1] Using first-principles calculations, we offer physical insights into the origins of this unusual magnetism. Due to the distorted and dangling bonds near the nanowire surface with different bond lengths, the transition metal (Co) d-orbital electron spin up and spin down populations become asymmetric from the exchange interactions, providing the mechanism for some of the measured magnetization. However, the distorted and dangling bonds are clearly not the only factor

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22

"Multiscale Modeling of Mechanical Shock Behavior of Environmentally-Benign Lead-Free Solders in Electronic Packaging." Doctoral diss., 2011. http://hdl.handle.net/2286/R.I.9321.

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abstract: With the increasing focus on developing environmentally benign electronic packages, lead-free solder alloys have received a great deal of attention. Mishandling of packages, during manufacture, assembly, or by the user may cause failure of solder joint. A fundamental understanding of the behavior of lead-free solders under mechanical shock conditions is lacking. Reliable experimental and numerical analysis of lead-free solder joints in the intermediate strain rate regime need to be investigated. This dissertation mainly focuses on exploring the mechanical shock behavior of lead-free

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