Дисертації з теми "Amorphous structure"
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Gibson, Andrew Stephen. "The electronic structure of amorphous graphite." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335747.
Повний текст джерелаWalters, Jennifer. "The structure of amorphous hydrogenated carbon." Thesis, University of Kent, 1995. https://kar.kent.ac.uk/38837/.
Повний текст джерелаGilbert, D. G. "Fracture and deformation of amorphous polymers." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354673.
Повний текст джерелаEdwards, Ann M. "The structure of amorphous semiconductor:metal thin-films." Thesis, University of Kent, 1989. https://kar.kent.ac.uk/38702/.
Повний текст джерелаAbtew, Tesfaye Ayalew. "Structure and Carrier Transport in Amorphous Semiconductors." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1174329920.
Повний текст джерелаBhattarai, Bishal. "Ab initio Structure Inversion for Amorphous Materials." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1537349044469989.
Повний текст джерелаLowe, A. J. "Photostructural changes and defects in amorphous materials." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355260.
Повний текст джерелаZeidler, Anita. "Ordering in amorphous binary systems." Thesis, University of Bath, 2009. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501637.
Повний текст джерелаAtta-Fynn, Raymond. "Theory of localized electron states and novel structural modeling of amorphous silicon /." View abstract, 2005. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3203330.
Повний текст джерелаGodwin, Paul D. "Structure and properties of diamond-like carbon." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360316.
Повний текст джерелаSimmons, Jane. "The structure and function of amorphous calcium phosphate biominerals." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339520.
Повний текст джерелаPickup, David M. "The structure and characterisation of amorphous transition-metal chalcogenides." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308039.
Повний текст джерелаWallis, David John. "The structure of amorphous oxides and nitrides of silicon." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337313.
Повний текст джерелаChen, Hsiung. "Preparation, properties, and structure of hydrogenated amorphous carbon films." Case Western Reserve University School of Graduate Studies / OhioLINK, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1054566593.
Повний текст джерелаSingh, Anirudh. "The structure and optical properties of amorphous oxide films." Thesis, University of Leicester, 1990. http://hdl.handle.net/2381/35786.
Повний текст джерелаElgun, Nese. "Structure and electronic properties of sputtered amorphous gap films." Thesis, University of Leicester, 1994. http://hdl.handle.net/2381/35876.
Повний текст джерелаMountjoy, Gavin. "Diffraction and microscopy studies of the structure of amorphous solids." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362969.
Повний текст джерелаWetherall, Kate M. "The Structure of Amorphous Calcium Phosphate and othe phosphate materials." Thesis, University of Kent, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520863.
Повний текст джерелаHellrup, Joel. "Pharmaceutical Nanocomposites : Structure–Mobility–Functionality Relationships in the Amorphous State." Doctoral thesis, Uppsala universitet, Institutionen för farmaci, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-300159.
Повний текст джерелаLiu, Richard Yufeng. "Oxygen Transport as a Structure Probe for Amorphous Polymeric Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1103694304.
Повний текст джерелаChoi, Jaeho. "Structure and properties of amorphous GexSe1-x and related alloys." Thesis, University of Leicester, 1996. http://hdl.handle.net/2381/35855.
Повний текст джерелаMiller, Jason. "Devitrification Effects on the Structure and Corrosion of an Fe-based Bulk Metallic Glass." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1252371978.
Повний текст джерелаTitle from PDF (viewed on 2010-01-28) Department of Materials Science and Engineering Includes abstract Includes bibliographical references and appendices Available online via the OhioLINK ETD Center
Ludl, Adriaan-Alexander. "Etude du diagramme de phases des solutions d'électrolytes sous conditions extrêmes." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066303/document.
Повний текст джерелаThe study of amorphous and crystalline phases of solutions gives essential insight on the behaviour of water under conditions relevant for biology and planetary science. The aim of this work is the exploration of the phase diagram of common electrolyte solutions (LiCl-water, NaCl-water) under pressure and temperature conditions (from 77 K to 330 K and up to 5 GPa) relevant for icy bodies such as Europe and Ganymede. In experiments and simulations we search for crystalline phases of ice at high-pressure, which can contain considerable amounts of salt in their lattice (up to 10 % of by weight). We probe the existence of these salty ices, and characterize two exotic, pressure induced properties, polyamorphism and ionic inclusions in the ice lattice. We have produced highly concentrated amorphous solutions of NaCl in water by fast quenching to liquid nitrogen temperature. Our neutron and X-ray diffraction experiments show that the local structure of this amorphous solution at ambient pressure is very similar to the high density amorphous structure of pure water. Our high-pressure experiments with the Paris-Edinburgh cell and our classical Molecular Dynamics calculations show only smooth structure and density changes during compression up to 4 GPa. We discuss the possibility of salt (NaCl) inclusions in the ice VII lattice at high pressure in our experiments by complementary calculations based on Density Functional Theory. The ice VII which crystallized in our experiments is either pure ice, or it contains only a small fraction of the ions from the solution. It may be possible that ions can be included in larger quantities at higher pressures
Yasuda, Kazuharu. "Development of controlled structure polymers : physical property and microstructure control of injection mouldings." Thesis, Brunel University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311274.
Повний текст джерелаCastano, Fernando J. "Structure and thermo-magnetic properties of amorphous thin films and multilayers." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267189.
Повний текст джерелаStephan, Uwe. "Theoretical methods and results for electronic-structure investigations of amorphous carbon." [S.l. : s.n.], 1996. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB10324488.
Повний текст джерелаEdling, Hans Eliot. "Synthesis and Structure-Property Relationships of Polyesters Containing Rigid Aromatic Structures." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/95029.
Повний текст джерелаPHD
Cai, Bin. "Model Design and Analysis for Amorphous Materials." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1311192632.
Повний текст джерелаRapold, Roland Fritz. "Atomistic simulation of the structure and ring motion of dense, amorphous polystyrene /." [S.l.] : [s.n.], 1993. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10308.
Повний текст джерелаWalton, Richard I. "The characterisation and structure of amorphous and poorly crystalline transition-metal chalcogenides." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388467.
Повний текст джерелаErslev, Peter Tweedie 1979. "The electronic structure within the mobility gap of transparent amorphous oxide semiconductors." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/10566.
Повний текст джерелаTransparent amorphous oxide semiconductors are a relatively new class of materials which show significant promise for electronic device applications. The electron mobility in these materials is at least ten times greater than that of the current dominant material for thin-film transistors: amorphous silicon. The density of states within the gap of a semiconductor largely determines the characteristics of a device fabricated from it. Thus, a fundamental understanding of the electronic structure within the mobility gap of amorphous oxides is crucial to fully developing technologies based around them. Amorphous zinc tin oxide (ZTO) and indium gallium zinc oxide (IGZO) were investigated in order to determine this sub-gap structure. Junction-capacitance based methods including admittance spectroscopy and drive level capacitance profiling (DLCP) were used to find the free carrier and deep defect densities. Defects located near insulator-semiconductor interfaces were commonly observed and strongly depended on fabrication conditions. Transient photocapacitance spectroscopy (TPC) indicated broad valence band-tails for both the ZTO and IGZO samples, characterized by Urbach energies of 110±20 meV. These large band-tail widths imply that significant structural disorder exists in the atomic lattice of these materials. While such broad band-tails generally correlate with poor electronic transport properties, the density of states near the conduction band is more important for devices such as transistors. The TPC spectra also revealed an optically active defect located at the insulator-semiconductor junction. Space-charge-limited current (SCLC) measurements were attempted in order to deduce the density of states near the conduction band. While the SCLC results were promising, their interpretation was too ambiguous to obtain a detailed picture of the electronic state distribution. Another technique, modulated photocurrent spectroscopy (MPC), was then employed for this purpose. Using this method narrow conduction band-tails were determined for the ZTO samples with Urbach energies near 10 meV. Thus, by combining the results of the DLCP, TPC and MPC measurements, a quite complete picture of the density of states within the mobility gap of these amorphous oxides has emerged. The relationship of this state distribution to transistor performance is discussed as well as to the future development of device applications of these materials.
Committee in charge: Stephen Kevan, Chairperson, Physics; J David Cohen, Member, Physics; David Strom, Member, Physics; Jens Noeckel, Member, Physics; David Johnson, Outside Member, Chemistry
Lee, Sang Joon. "Structure and Interaction Energies of Kr Atoms Adsorbed on Graphitic Amorphous Carbon." DigitalCommons@USU, 1995. https://digitalcommons.usu.edu/etd/2091.
Повний текст джерелаHassanali, Ali. "WATER AT MOLECULAR INTERFACES: STRUCTURE AND DYNAMICS NEAR BIOMOLECULES AND AMORPHOUS SILICA." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275314943.
Повний текст джерелаLi, Yuting. "Simulations and Electronic Structure of Disordered Silicon and Carbon Materials." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1395410498.
Повний текст джерелаKang, Yixiu. "Deposition and Characterization of Amorphous GaN Thin Films." Ohio University / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1020266055.
Повний текст джерелаZeagler, Andrew. "Structure and Processing Relations in Ni-W Amorphous Particle Strengthened Ni Matrix Composites." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/36084.
Повний текст джерелаMaster of Science
Palma, Joseph John. "X-ray Diffraction Studies of Amorphous Materials." Diss., Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/231213.
Повний текст джерелаPh.D.
This thesis presents a study on two types of X-ray diffraction methodologies applied to the characterization of amorphous materials. The purpose of this study was to assess the feasibility of measuring the diffractive spectrum of amorphous materials by Energy-Dispersive X-ray Diffraction (EDXRD) utilizing Cadmium Zinc Telluride detectors. The total scattering intensity (coherent plus incoherent scatter) spectra precisely measured by high-energy Wide-Angle X-ray Scattering (WAXS) were compared to the EDXRD spectra to determine the level of agreement between the two techniques. The EDXRD spectra were constructed by applying a spectra fusing technique which combined the EDXRD spectra collected at different scattering angles rendering a continuous total scattering spectrum. The spectra fusing technique extended the momentum transfer range of the observed scattered spectrum beyond the limitations of the X-ray source and CZT detection efficiencies. Agreement between the WAXS and fused EDXRD spectra was achieved. In addition, this thesis presents the atomic pair correlation functions and coordination numbers of the first coordination shell for four hydrogen peroxide solutions of varying mass concentrations using Empirical Potential Structural Refinement (EPSR). The results are compared to the state-of-the art ad initio quantum mechanical charge field molecular dynamics (QMCF MD) model of the hydrogen peroxide in solution to support the model's predictions on why hydrogen peroxide is stable in water. The EPSR results using the coherent scattering intensity calculated from the WAXS data set predicts a hydration shell of 6.4 molecules of water surrounding hydrogen peroxide. The results also indicate that hydrogen peroxide is more likely to behave as a proton donor than acceptor. These findings are in agreement with QMCF MD model of aqueous hydrogen peroxide.
Temple University--Theses
Hardian, Rifan. "Interplay between structure, texture, and reactivity in MOFs in the case of amorphous, defective, and composite materials." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0419/document.
Повний текст джерелаMetal-organic frameworks (MOFs) are a class of porous materials that constructed from metal clusters connected with organic linkers. The main objective of my PhD was to characterize the texture, structure, and reactivity of MOFs materials with a particular focus on defective, amorphous and composite materials. The first study is centered on the properties of the Fe-BTC family and this work was realized in collaboration with Utrecht University and the University of Oxford. A comparative study between crystalline MIL-100(Fe) and its commercial counterpart amorphous Basolite F300 (BASF) were studied by using methanol adsorption to predict the reactivity. Other characterization methods are introduced to investigate both materials which were further tested to be used as supports for metal-impregnation. In the next study, ball-milling was employed as a post-synthesis strategy for MOF modification. This ZIF-8 material was selected since it is commercially available (Basolite Z1200) and is becoming one of the reference materials in this area. Extensive studies including flexibility, textural, structural, as well as reactivity of different milling products is presented. Zirconium-based MOFs (UiO-66 and MOF-808) were also examined in this thesis. These studies were performed in collaboration with TU Munich. UiO-66 series containing engineered defects are first examined. We demonstrated that vapor adsorption measurement is a valuable tool to access the chemistry of the defects. The second studied system is MOF-808 series, where a comprehensive study is presented starting from synthesis strategies of defective and composite MOFs up to adsorption properties and reactivity
Ali, Fatmah Abdullah Haider. "Examination of atomic scale structure and dynamics of amorphous materials by solid state NMR." Thesis, University of Kent, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.481489.
Повний текст джерелаMead, Robert Nielle. "Molecular dynamics modelling of the amorphous calcium silicate and titania silicate atomic-scale structure." Thesis, University of Kent, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443767.
Повний текст джерелаTanaka, Katsuhisa. "ESR AND MOSSBAUER STUDIES ON STRUCTURE AND MAGNETIC PROPERTIES OF IRON-CONTAINING AMORPHOUS OXIDES." Kyoto University, 1990. http://hdl.handle.net/2433/74576.
Повний текст джерелаVan, Order Jon P. "Molecular modeling of intermediate order in polymer glasses." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/10134.
Повний текст джерелаLiu, Yanchun. "Synthesis and Characterization of Amorphous Cycloaliphatic Copolyesters with Novel Structures and Architectures." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/77999.
Повний текст джерелаPh. D.
Vrana, Semir [Verfasser], and Helmut [Akademischer Betreuer] Kohl. "Characterization of amorphous materials using the three particle structure factor / Semir Vrana ; Betreuer: Helmut Kohl." Münster : Universitäts- und Landesbibliothek Münster, 2021. http://d-nb.info/1236632389/34.
Повний текст джерелаMohamed, Raja Roslan Raja. "Structure-property relationships in biaxially stretched amorphous PET applicable to thermoforming and stretch blow moulding." Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.728400.
Повний текст джерелаSrivastava, Deepansh. "NMR methods and analysis for determining correlated structural distributions in amorphous solids." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531928644070636.
Повний текст джерелаSagnes, Emmanuel. "Influence of DC saddle-field discharge deposition parameters on the structure of hydrogenated amorphous carbon semiconductor." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0008/NQ41501.pdf.
Повний текст джерелаJensen, Anders Christian Solberg [Verfasser], and Markus [Akademischer Betreuer] Antonietti. "Structure and dynamics of amorphous carbonates related to biomineralization / Anders Christian Solberg Jensen ; Betreuer: Markus Antonietti." Potsdam : Universität Potsdam, 2018. http://d-nb.info/1219077933/34.
Повний текст джерелаSapelkin, Andrei V. "Structure of and phase transformations in bulk amorphous (GaSb)â†1â†-â†x(Geâ†2)â†x." Thesis, De Montfort University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391341.
Повний текст джерелаTriana, Carlos A. "Atomic short-range order, optical and electronic properties of amorphous transition metal oxides : An experimental and theoretical study of amorphous titanium aTiO2 and tungsten aWO3 solid thin-film oxides." Doctoral thesis, Uppsala universitet, Fasta tillståndets fysik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-318193.
Повний текст джерела