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Dissertations / Theses on the topic 'Low temperature solid state reaction'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Simpson, Zachary Ian. "Advanced Materials for Energy Conversion and Storage: Low-Temperature, Solid-State Conversion Reactions of Cuprous Sulfide and the Stabilization and Application of Titanium Disilicide as a Lithium-Ion Battery Anode Material." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3042.

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Thesis advisor: Dunwei Wang<br>In this work, we present our findings regarding the low-temperature, solid-state conversion of Cu₂S nanowires to Cu₂S/Cu₅FeS₄ rod-in-tube structures, Cu₂S/ZnS segmented nanowires, and a full conversion of Cu₂S nanowires to ZnS nanowires. These conversion reactions occur at temperatures as low as 105 degrees Celsius, a much lower temperature than those required for reported solid-state reactions. The key feature of the Cu₂S nanowires that enables such low conversion temperatures is the high ionic diffusivity of the Cu⁺ within a stable S sublattice. The second port

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2

Borges, de Araujo M. A. "Hyperfine interactions studied by low temperature nuclear orientation." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355725.

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3

Upstone, Richard Peter. "Low temperature studies of transport in silicon MOSFETs." Thesis, University of Cambridge, 1986. https://www.repository.cam.ac.uk/handle/1810/265340.

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This dissertation is the outcome of three years work in the semiconductor Physics group at the Cavendish Laboratory, during which time I was financially _supported by the Science and Engineering Research Council. Many thanks are due to my supervisor, Mike Pepper, for his advice and enthusiastic encouragement. I would also like to warmly thank the past and present members of the group who have helped to make the these three years an enjoyable experience. I cannot mention everyone here, but particular thanks are due to Alan Marsh, Colin Dean, Richard Newbury for his efforts to revive the Rutherf

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4

Boskovic, Bojan O. "Room and low temperature synthesis of carbon nanofibres." Thesis, University of Surrey, 2002. http://epubs.surrey.ac.uk/843497/.

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Carbon nanotubes and nanofibres have attracted attention in recent years as new materials with a number of very promising potential applications. Carbon nanotubes are potential candidates for field emitters in flat panel displays. Carbon nanofibres could also be used as a hydrogen storage material and as a filling material in polymer composites. Carbon nanotubes are already used as tips in scanning probe microscopy due to their remarkable mechanical and electrical properties, and could be soon used as nanotweezers. Use of carbon nanotubes in nanoelectronics will open further miniaturisation pr

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5

Mace, Daniel. "Low temperature electron transport in III-V semiconductor devices." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259629.

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6

Hedberg, James. "Low temperature force microscopy on a deeply embedded two dimensional electron gas." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97016.

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Experimental physics in the low temperature limit has consistently produced major advances for condensed matter research. Likewise, scanning probe microscopy offers a unique view of the nanometer scale features that populate the quantum landscape. This work discusses the merger of the two disciplines via the development of the Ultra Low Temperature Scanning Probe Microscope, the ULT-SPM. We focus on the novel characterization of an exotic condensed matter system: a deeply buried two dimensional electron gas with a cleaved edge overgrowth geometry. By coupling the dynamics of the force sensing

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7

McMenamin, C. S. "Low temperature thermal measurements on cuprate superconductors in high magnetic fields." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260823.

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8

Georgiacodis, D. N. "Low temperature ion-irradiation effects in silicon studied by ion-channelling techniques." Thesis, University of Sussex, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304345.

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9

Weedon, M. A. "Low temperature transport properties of ultra-thin Ag deposits on Ge(100)." Thesis, University of Sussex, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358439.

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10

Thayaparam, Selvanayagam. "Al/Si ordering interactions and the origin of low transition temperature in silicate minerals." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362791.

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11

Wakelin, Jonathan Peter. "Low temperature specific heat and thermal conductivity of doped YBa2Cu3O7 and other ceramic superconductors." Thesis, University of Sussex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284082.

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12

Gcilitshana, Oko Unathi. "Supercapacitor electrode materials based on nanostructured conducting polymers and metal oxides." Thesis, University of the Western Cape, 2013. http://hdl.handle.net/11394/3532.

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13

Hargreaves, T. E. "The low temperature heat capacity of high Tc superconductors and related materials in magnetic fields." Thesis, University of Sussex, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320366.

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14

Murray, Bryan Gerrard. "Low frequency impedance and structural properties of high temperature superconducting YBaâ†2Cuâ†3Oâ†x thin films." Thesis, University of Nottingham, 1994. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282839.

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15

Friend, Christopher Michael. "Transport critical current density measurements on high and low temperature superconductors in magnetic fields up to 15 tesla." Thesis, Durham University, 1994. http://etheses.dur.ac.uk/5827/.

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A probe for measuring the transport critical current density (J(_c)(B,T)) of superconductors has been constructed, extending the magnetic field and temperature range of previous probes. It can measure critical currents up to 500A, from 2K up to 150K, inside the bore of a 17T Tesla magnet. The temperature is held constant during measurement to: ±50mK at 4.2K and below; ±70mK at 20K; ±100mK at 80K and ±200mK at 150K. The J(_c)(B,T) of a Nb(46.5wt%)Ti multifilamentary wire has been measured in transverse and longitudinal fields. The longitudinal orientation has both a higher J(_c) and upper criti

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16

Pullin, Mark Jeffrey. "Luminescence studies of InAsâ†1â†-â†xSbâ†x low dimensional semiconductor structures for mid-infrared ambient temperature emitter applications." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264221.

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17

Kingsburry, Christine. "Diffusion d'une particule ponctuelle dans un système multi-phase et en présence d'obstacles vibrants: Deux études numériques." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28126.

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It is impossible to enumerate all the areas where diffusion plays a crucial role. Numerous studies of diffusion have been made since the observation of brownian motion by Robert Brown in 1827. In the last decades, the development of computers made it possible to carry numerical studies of diffusion. Monte Carlo algorithms are often used to model the random walk of a particle in a given system in order to measure its diffusion coefficient. In the last years, Dr Slater's research group developed an exact calculation method that allows one to compute diffusion coefficients with high precision. Th

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18

Saxin, Stefan. "A possible low-intermediate temperature proton conductor based on silicon oxide phosphate." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/11948.

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The main material studied in this project is silicon oxide phosphate, often referred to in the literature as Si₅O(PO₄)₆. This material has highly unusual coordination of the silicon (octahedral, as well as the more common tetrahedral). The structure is hexagonal, it has been assigned to space group R -3 and lattice parameters a ≈ 7.85 Å, c ≈ 24.14 Å. This work's main focus is on understanding the interplay between structure and properties in order to enhance protonic conductivity for a fuel cell electrolyte. Silicon oxide phosphate was synthesised with the solid-state method, using a gel precu

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19

Gamini, G. N. "Adriatic wave propagation in solid and gaseous Hesup(4) : a low temperature study of second sound in solid Hesup(4) and first sound in the gas phase." Thesis, University of Kent, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356565.

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20

Ntsendwana, Bulelwa. "Advanced low temperature metal hydride materials for low temperature proton exchange membrane fuel cell application." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8494_1307431585.

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<p>Energy is one of the basic needs of human beings and is extremely crucial for continued development of human life. Our work, leisure and our economic, social and physical welfare all depend on the sufficient, uninterrupted supply of energy. Therefore, it is essential to provide adequate and affordable energy for improving human welfare and raising living standards. Global concern over environmental climate change linked to fossil fuel consumption has increased pressure to generate power from renewable sources [1]. Although substantial advances in renewable energy technologies have been made

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21

Chapman, Craig Thomas 1980. "Vibrational wave packets: Molecular state reconstruction in the gas phase and mixed quantum/semiclassical descriptions of small-molecule dynamics in low-temperature solid media." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/10584.

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xiv, 195 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>We explore the reconstruction of B-state vibrational wave packets in I 2 from simulated two-color nonlinear wave packet interferometry data. As a simplification of earlier proposals, we make use of different vibrational energy ranges in the B-state--rather than different electronic potential surfaces--for the short-pulse preparation and propagation of both target and reference wave packets. Numerical results from noisy interferogra

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22

Bu, Junfu. "Advanced BaZrO3-BaCeO3 Based Proton Conductors Used for Intermediate Temperature Solid Oxide Fuel Cells (ITSOFCs)." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-165073.

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In this thesis, the focus is on studying BaZrO3-BaCeO3 based proton conductors due to that they represent very promising proton conductors to be used for Intermediate Temperature Solid Oxide Fuel Cells (ITSOFCs). Here, dense BaZr0.5Ce0.3Y0.2O3-δ (BZCY532) ceramics were selected as the major studied materials. These ceramics were prepared by different sintering methods and doping strategies. Based on achieved results, the thesis work can simply be divided into the following parts: 1) An improved synthesis method, which included a water-based milling procedure followed by a freeze-drying post-pr

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23

Giagloglou, Kyriakos. "The identification and down selection of suitable cathode materials for use in next generation thermal batteries." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/11563.

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In this work new novel cathode materials such as transition-metal sulfides, chlorides or fluorides were investigated and studied for their use in lithium ion thermal batteries. All cathodes were synthesized by a solid state reaction in sealed quartz tubes with a duration of firing for 1 week at high temperatures ( > 500 °C). All structures of compounds were probed by powder X-ray diffraction and the morphology and shape of crystallites of cathodes were characterized by scanning electron microscopy. The electrochemical properties of the batteries were investigated by galvanostatic discharge and

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24

Estrada, Saldaña Juan Carlos. "Supraconductivité et localisation dans des nanofils unidimensionnels d'InSb et d'InAs." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAY038/document.

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Dans ma thèse, j'ai étudié le transport électronique quantique dans des nanofils semiconducteurs couplés aux supraconducteurs, avec le but de comprendre les conditions nécessaires pour observer des états liés de Majorana. De manière inattendue, au cours de mes expériences j'ai trouvé des exemples notables de l'omniprésence de la localisation spatiale des électrons dans des nanofils apparemment balistiques et unidimensionnels (1D). Ses effets peuvent imiter des signatures d'unidimensionnalité, d’hélicité et des états liés de Majorana, jetant un doute sur leur interprétation.La conductance d’un

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25

Petersen, Greg M. "Anderson Localization in Low-Dimensional Systems with Long-Range Correlated Disorder." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1365762218.

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26

Posavec, Tony. "An Investigation into the Fluorescence of Polymers." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1499353221343727.

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27

Goble, Nicholas James. "ELECTRONIC TRANSPORT AT SEMICONDUCTOR AND PEROVSKITE OXIDE INTERFACES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1454002713.

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28

Ruiz-Tijerina, David A. "Kondo Physics and Many-Body Effects in Quantum Dots and Molecular Junctions." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1385982088.

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29

Puech, Laurent. "3He polarisé : propriétés magnétoélastiques et comparaison avec deux systèmes à fermions lourds : obtention d'hélium polarisé à 50 mK et étude des relaxations d'énergie dans ce système." Grenoble 1, 1988. http://www.theses.fr/1988GRE10036.

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Interpretation de l'abaissement de la pression de fusion lorsque la fusion est plus rapide que le temps de relaxation de la polarisation de **(3)he d'apres l'etude theorique de la morphologie de l'interface liquide-solide lors de la fusion de **(3)he solide polarise. Tendance au metamagnetisme de **(3)he liquide pour une polarisation de equiv. A 20 %, a 0,1 k, et absence d'anomalie dans la vitesse du son mesuree a ce taux de polarisation. Possibilite de refroidir le liquide polarise au-dessus de 0,1 k en un temps tres court compare a celui de la relaxation de polarisation. Etude experimentale

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30

Liu, Qi. "SYTHESIS OF MESOPOROUS PHOSPHATES VIA SOLID STATE REACTION AT LOW TEMPERATURE." 2010. http://hdl.handle.net/1805/2247.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Three parts consist of my thesis work centered on the synthesis of inorganic phosphates and then metal organic frame work (MOF). The first part is the synthesis of mesoporous chromium phosphates using the room temperature solid state reaction (SSR)approach. One of the major aims of this work is to fill the gap of lacking a low cost, low or zero pollution, easy method to synthesize phosphates. The room temperature solid state reaction has been demonstrated in this work is such a method. Mesoporous chromium phosphates were prepared u

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31

Rao, Chen-Ruei, and 饒宸瑞. "The Study of the La0.85RxSr0.15−xGa0.8Mg0.2O2.825 Electrolyte Prepared in the Low Sintering Temperature by Solid State Reaction in Solid Oxide Fuel Cells." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/x7sb7j.

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碩士<br>國立臺北科技大學<br>材料科學與工程研究所<br>105<br>In this study, the La0.85RxSr0.15−xGa0.8Mg0.2O2.825 (R = Ca and Ba; x ≦ 0.07) were synthesized in the low sintering temperature by solid state reaction. The microstructures and electrical properties of the electrolytes are analyzed by using XRD, SEM, XPS, Raman, electrochemical analysis and AC impedance spectroscopy. The XRD results showed that all samples have an almost single LSGM phase. SEM results show that the all samples have the dense structure. XPS results show a clear doublet structure in the narrow region scan of the core level La 3d3/2 and 3d5/

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32

Lin, Yi-Wen, and 林儀汶. "Solid State Chemistry Analysis of Oxygen Reduction Reactions at the Cathodic Catalyst with Nano Structures in Low Temperature Fuel Cells." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/31399130311014294554.

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碩士<br>國立清華大學<br>動力機械工程學系<br>101<br>In low temperature fuel cells, the cathodic reaction, oxygen reduction reaction (ORR), is the main rate-limited step. Normally, the kinetics of oxygen reduction reaction is very slow. For the purpose of speeding up the reaction to reach a practical usable level in a low temperature fuel cell, cathode catalysts are needed to be further investigated. Pt-based materials are the most practical catalysts currently. Because these Pt-based catalysts are too expensive for making commercially viable low temperature fuel cells, extensive research over the past several

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33

Janitz, Erika. "Low Temperature Spectroscopy of Solid State Quantum Systems." Thesis, 2013. http://hdl.handle.net/10012/7813.

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Control and coupling of individual quantum systems remains an important research area in experimental quantum information. Single quantum systems in the solid state offer many attractive properties in terms of isolation and control: strong interaction due to close proximity, and scalability using mature fabrication techniques. Similar to atoms, many solid state quantum systems can couple to photons, offering potential for long-range interaction. Two such candidate systems are the nitrogen vacancy center in diamond, and the nanowire semiconductor quantum dot. These systems can act like isolated

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34

Lo, Shao-hua, and 羅劭華. "Low temperature synthesized LiMn2O4 cathode for solid-state lithium polymer batteries." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/32gwnx.

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碩士<br>逢甲大學<br>材料科學所<br>100<br>SPEEK (Sulfonated poly ether ether ketone) has beem used as solid state electrolyte of all solid state polymer lithium ion batteries, and LiClO4 is added to enhance the ion concentraition. A novel plasma treatment technique has been applied on LiMn2O4 cathode materials, to reduce the interface resistance between cathode and electrolyte. The interface behavior is between cathode and electrolyte are characterized by using X-ray diffraction (XRD)、scanning electron microscopy (SEM)、energy dispersive spectrometer (EDS) and Raman spectrometer(Raman). The charge transfer

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35

Dalbey, Robert Z., and Kenneth D. Challenger. "Interface characterization of Cu-Cu and Cu-Ag-Cu low temperature solid state bonds." Thesis, 1987. http://hdl.handle.net/10945/22310.

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36

Chang, Chia-Feng, and 張家鳳. "The Study of Solid-state Diode Based on WO3/IrO2 in Low Temperature State and Natural Gas Sensing." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/71766109073092675572.

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碩士<br>國立交通大學<br>電子物理系所<br>97<br>The main research of this article was about the solid-state diode based on WO3 / IrO2 , which in low temperature state and natural gas sensing . The mechanism of the device was based on double injection, which IrO2 thin film may have H+. When we plus e－and H+,the diode in the reversible redox reaction.The experiment results show that：The Vonset increasing as the temperature decreasing when putting the diode device into the low temperature equipment setup. And in the gas sensing study, the sensitivity will be improved when we doped small amount of iridium.The ele

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37

Buffy, Jarrod J. "Recent developments towards synthesis of room temperature stable silenes & solid-state NMR of low-coordinate silicon compounds." 2000. http://www.library.wisc.edu/databases/connect/dissertations.html.

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38

Brás, Elisa Cristina Marçalo. "On the Tautomerism of 2-Mercaptoimidazoles and 2-Mercaptobenzimidazoles: A Low Temperature Matrix Isolation and Solid State Study." Master's thesis, 2017. http://hdl.handle.net/10316/83322.

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Dissertação de Mestrado em Química apresentada à Faculdade de Ciências e Tecnologia<br>Apesar da sua relevância em vários processos químicos, o tautomerismo tiona-tiol não tem sido alvo de muitas investigações. O trabalho apresentado nesta tese centra-se no do tautomerismo nas moléculas 2-mercaptoimidazol, 2-mercaptobenzimidazol e dos seus derivados de metil (1-metil-2-mercaptoimidazol e 1-metil-2-mercaptobenzimidazol). O tautomerismo fotoinduzido foi investigado através da técnica de espectroscopia de infravermelho com isolamento em matrizes criogénicas e métodos computacionais. Antes da irra

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39

Huang, Ming-Hui, and 黃銘暉. "Study on the Characteristics of Low-Temperature Polycrystalline-Germanium Thin Film Transistors with Solid-State Crystallization and Excimer-Laser Crystallization." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/41204018597174162250.

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碩士<br>國立交通大學<br>電子工程學系電子研究所<br>103<br>The monolithic stacking was widely investigated because of the best alignment between the device levels and thus the highest device density for the three-dimensional integrated circuits (3D-ICs). Nevertheless, the major challenges for the monolithic stacking were to fabricate a high quality top active layer on the insulator with the low thermal budget to prevent the under-layered from the thermal degradation. The low-temperature polycrystalline-silicon (LTPS) technology has been employed as a suitable approach to achieve this goal. On the other hand, germ

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40

Tiegel, Alexander Clemens. "Finite-temperature dynamics of low-dimensional quantum systems with DMRG methods." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-0028-8801-A.

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