Tesis sobre el tema "Glass Physics"
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Hulman, Andrea. "Breaking Glass: Exploring the Relationship Between Kinetic Energy and Radial Fracturing in Plate Glass". Scholarship @ Claremont, 2012. http://scholarship.claremont.edu/scripps_theses/95.
Texto completoPengpat, Kamonpan. "Ferroelectric glass-ceramics". Thesis, University of Warwick, 2001. http://wrap.warwick.ac.uk/66934/.
Texto completoNiyompan, Anuson. "Fast-ion conducting glass and glass-ceramics for the pH sensor". Thesis, University of Warwick, 2002. http://wrap.warwick.ac.uk/98497/.
Texto completoThesen, Michael. "Quantum statistical physics of a microscopic glass model". [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968960014.
Texto completoDavatolhagh, Saeid. "Bond-ordering representation for the glass transition /". The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486397841222832.
Texto completoGrote, Christoph. "Dynamic theories of the glass transition". Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318104.
Texto completoYakinci, M. E. "Thick film glass-ceramic superconductor fabrication". Thesis, University of Warwick, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388377.
Texto completoDüring, Alexander. "Temporal aspects of spin-glass neural networks". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325892.
Texto completoDaniilidis, Nikolaos. "Experimental studies of the Bragg Glass transition in niobium". View abstract/electronic edition; access limited to Brown University users, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3318303.
Texto completoCautun, Marius. "Photon production in the Color Glass Condensate formalism". Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66993.
Texto completoDans cette thèse, le modèle développé par Krasnitz et al. basé sur les champs classiques est utilisé pour calculer la production de quarks et de photons dans les collisions d'ions lourds. La première partie de la thèse consiste en une vérification indépendante de certains résultats sur la production de quarks. Pour se faire, une méthode itérative est développée afin de solutionner le système d'équations non-linéaires qui donnent les conditions initiales du champ de gluon. Dans la seconde partie, l'expression donnant le taux de production de photons est simplifié en utilisant les symétries et les propriétés du Color Glass Condensate et du modèle de McLerran-Venugopalan. Deux diagrammes de Feynman donnent la contribution à l'ordre dominant mais l'un d'eux est plus important que l'autre. Le diagramme dominant donne un spectre continu superposé d'un pic proéminant.
Peng, Xiang. "Erbium-doped tellurite glass microsphere amplifiers and lasers". Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/280529.
Texto completoHole, David Edward. "Optical effects of ion implantation into glass". Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386425.
Texto completoRuan, Dihui. "Glass Formation Behavior of Model Ionomers". University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1430242844.
Texto completoCarroll, Donna L. "A multi-analytical investigation into glass dopant incorporation". Thesis, University of Warwick, 2008. http://wrap.warwick.ac.uk/2892/.
Texto completoRappensberger, Csaba Ferenc. "Novel rare-earth aluminosilicate glasses and glass-ceramics". Thesis, University of Warwick, 1996. http://wrap.warwick.ac.uk/56937/.
Texto completoYan, Yong-Xin. "Time-domain light scattering and study of liquid-glass transitions". Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/96439.
Texto completoBrüning, Ralf. "Structural relaxation and the glass transition in metallic glasses". Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74345.
Texto completoIt is found that irreversible relaxation proceeds by many local shear-type motions involving the metal atoms, and that it is accompanied by a small densification. Reversible relaxation at high annealing temperatures entails the same microscopic processes, but it does not change the density of the glass. The type of atomic processes changes continuously as the annealing temperature is lowered, and at sufficiently low temperatures the distribution of metal atoms remains constant, so that reversible relaxation then proceeds via rearrangement of the metalloid atoms. This rearrangement leads to more ordered, but less isotropic atomic sites.
The second part of the thesis is concerned with the motion of the atoms in a metallic glass below and above the glass transition. Mossbauer spectroscopy allows the direct measurement of vibrational and diffusional motion. The increase of the amplitude of atomic vibration has the same temperature dependence as the increase in volume that marks the glass transition, thus the two processes are governed by the same mechanism. The directly measured diffusional motion is in agreement with macroscopic measurements of diffusion.
Morrison, Christopher Brian. "The Universe Under a Magnifying Glass| Measuring and Predicting Large-scale Structure Statistics". Thesis, University of California, Davis, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3602168.
Texto completoIn this dissertation, we describe observational and theoretical work related to the large-scale clustering of matter in the universe. Such work is crucial in constraining models of the Universe in future surveys and is one of the most powerful probes of the nature of dark energy. In Chapter \ref{magnification}, we present work performed using the Deep Lens Survey (DLS) to measure the growth of structure over cosmic time using weak lensing magnification. This is the first time such a measurement has been performed and represents a significant step forward for this relatively new probe of large-scale structure (LSS) which is known to be complementary to other weak lensing measurements. Later in Chapter \ref{conclusions}, we discuss steps needed for magnification become a competitive, precision probe of cosmology. Chapter \ref{covariance} presents a model for the emulation cosmology dependent error covariances in LSS probes. Estimating these covariances are necessary in order to compare models to the data and require a large amount of computational time to create the simulations required. Tools to reduce the number of simulations required and model the cosmology dependence are needed. We utilize a novel decomposition of LSS error covariances that allows for construction of a emulator that fulfills both of these criteria. In order for future surveys to reach their goals, methods to model measurement error and new probes of LSS complementary to those planned are required. The conclusions of this dissertation in Chapter \ref{conclusions} address the future outlook for this work and research that must be done between now and when the next set of survey data is available. Many systematic errors need to be addressed in magnification before it can be considered a precision cosmology tool. For the error covariances, additional methods to reduce the required number of simulations to estimate the matrices are required. In the Appendix, we present a high level description of an open sourced software package that we developed and implemented over the course of these two projects.
Elliott, Gregor Robert. "Optical micro-resonators in chalcogenide glass". Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/70912/.
Texto completoSanderson, Kevin David. "The atmospheric chemical vapour deposition of coatings on glass". Thesis, Imperial College London, 1996. http://hdl.handle.net/10044/1/11897.
Texto completoMao, Ming. "Structural relaxation and the glass transition in metal-metal glasses". Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41708.
Texto completoIrreversible structural relaxation leads to densification and enthalpy release. Shear-like atomic motion enhances local atomic order, highlighting the atomic processes during the irreversible relaxation. Reversible structural relaxation involves two partly overlapping processes initiated at different temperatures, which are characterized by the solid and liquid atomic mobilities, respectively. Interatomic positional exchanges between Cu and Ni atoms change the local structure and are active during the reversible relaxation at low temperatures, which are also partly responsible for the irreversible relaxation. Above 500 K, shear-like atomic movements characterize the reversible relaxation, involving all three atomic species in a length scale of a few near-neighbor atomic shells. The overall density is unchanged during reversible relaxation.
The strong compositional dependence of the glass transition in the ternary glasses indicates an intimate association of the glass transition with interatomic bondings among different atomic species. The atomic motion from room temperature up to above the glass transition temperature, measured by the Mossbauer spectroscopy, is macroscopically tracked by the volume expansion and the enthalpy evolution. The glass transition occurs when the length scale of the atomic motion expands so rapidly that the interatomic potential can no longer maintain the on-site atomic vibration. The rapid development of translational atomic motion upon approaching the glass transition is reflected by the dramatic enhancement of the diffusive atomic motion.
Dikeakos, Maria. "Fe-TM-Zr alloys : from glass to big cube crystal". Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=38181.
Texto completoLo, Wei-Chang. "Ring polymers as topological glass, a new phase of matter?" Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/46819/.
Texto completoDobedoe, Richard Simon. "Glass-ceramics for ceramic/ceramic and ceramic/metal joining applications". Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/4217/.
Texto completoMinani, Evariste. "Growth temperature and microstructural differences in hydrogenated amorphous silicon deposited on glass substrates". Master's thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/6995.
Texto completoHydrogenated amorphous silicon (a-Si:H) is an important thin film semiconductor with a wide variety of applications in microelectronics and optoelectronics. However, it is metastable and photodegrades after a moderate light illumination (Staebler-Wronski effect). The most stable material has been suggested to be at the edge of crystallinity with microcrystalline inclusions. Using a combination of positron annihilation and X-ray diffraction techniques, the microstructure of hydrogenated amorphous silicon grown by hot wire chemical vapour deposition on glass substrates at different substrate temperatures ranging between 300°C and 500 °C is examined. In previous studies the crystallisation was accompanied by a relaxation of defect structure with an increase in free volume at positron annihilation site. In this work, both techniques show a relaxation of the network with increasing growth temperature, leading to a higher degree of ordering, shorter bond lengths, and a reduction in the average size of defects in the material.
Wallace, Matthew L. "The rigidity transition in a short-chain polymer glass". Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26794.
Texto completoOwate, I. O. "The electrical properties of some alumina ceramics and glass ceramics". Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282951.
Texto completoWest, Grant. "Microstructure and mechanical performance of SiC/BMAS glass-ceramic matrix composite". Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/66932/.
Texto completoMwarania, Eustace Kaburu. "Planar ion-exchanged waveguide lasers in glass". Thesis, University of Southampton, 1992. https://eprints.soton.ac.uk/399434/.
Texto completoHong, Feng. "Interactions between glass-ceramic coatings and metals". Thesis, University of Warwick, 1991. http://wrap.warwick.ac.uk/108319/.
Texto completoLapointe, Kyle. "Electrical Characterization of Silicon Cores from Glass-Cladded Fibres". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24825.
Texto completoKemp, Andrew Patrick. "The electrical and other physical properties of haloborate glasses and glass-ceramics". Thesis, University of Warwick, 1988. http://wrap.warwick.ac.uk/109948/.
Texto completoKirk, N. B. "Evaluation of glass polishing using sol-gel cerium oxide polishing compound". Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388342.
Texto completoRogers, Steven. "Examining the glass transition region of hard sphere colloids by simulations". Ohio University Honors Tutorial College / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1276749504.
Texto completoBaine, Paul Thomas. "Fabrication of thin single crystal silicon devices on glass using electrostatic bonding". Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361353.
Texto completoTorchinsky, Darius H. "Optical study of shear and longitudinal acoustic waves and complex relaxation dynamics of glass forming liquids". Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45440.
Texto completoIncludes bibliographical references (p. 259-277).
The spectroscopic technique Impulsive Stimulated Scattering (ISS) was refined and used to study the complex structural relaxation dynamics of glass forming liquids, allowing both empirical modeling and testing of the predictions of the mode-coupling theory (MCT). Longitudinal and shear acoustic waves throughout much of the MHz frequency range, time-dependent thermal expansion on nanosecond and microsecond scales, and slower thermal diffusion were all monitored in real time. The data were used to construct complex longitudinal modulus spectra spanning from, 30 kHZ to 3 GHz, and complex shear modulus spectra from - 10 MHz to 1 GHz. In the liquid tetramethyl tetraphenyl trisiloxane, experiments which verified timetemperature superposition of its relaxation dynamics permitted construction of a master plot of scaled relaxation spectra in the entire temperature range studied. MCT predictions of power-law frequency dependencies of the high and low frequency wings of the loss modulus yielded a high-frequency exponent parameter in good agreement with the width of the non-exponential relaxation kinetics. The low-frequency exponent did not agree with the predicted value. In triphenyl phosphite, measurements of the measured shear relaxation spectrum over two decades in frequency revealed that it does not match the previously measured longitudinal spectrum, suggesting that different underlying degrees of freedom contribute to shear and compressional relaxation. Measurement of shear wave propagation as a function of temperature lent credence to the dominance of the temperature dependence of the transport by the instantaneous shear modulus. These measurements also call into question other relationships drawn between glass mechanical behavior and the supercooled liquid fragility. In work conducted collaboratively, the ISS technique was employed in singles hot measurements of liquid benzene under conditions of shock loading. The results indicate that benzene remains in a liquid state for at least 200 ns after the shock's arrival. ISS was also used to characterize both the thermal transport and mechanical properties of nanofluids.
(cont.) Finally, results of ISS acoustic measurements of thin films and their relationship with the study of glass forming liquids are briefly discussed.
by Darius H. Torchinsky.
Ph.D.
Duki, Solomon Fekade. "Topics in Hard and Soft Condensed Matter Physics". Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1232737384.
Texto completoLjungström, Ami. "Self-written waveguides in glass : experimental and numerical investigations". Thesis, University of Southampton, 2003. https://eprints.soton.ac.uk/15467/.
Texto completoOhtsuki, Tomoko 1960. "Rare-earth-doped glass waveguides for amplifiers and lasers". Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/282169.
Texto completoRoderick, Jonathan M. "A characterisation and radiation resistance study of a mixed-modifier borosilicate glass for HLW vitrification". Thesis, University of Warwick, 2001. http://wrap.warwick.ac.uk/63637/.
Texto completoMeenakshisundaram, Venkatesh. "ELUCIDATING PHYSICS OF SEQUENCE-SPECIFIC POLYMERS AND THE GLASS TRANSITION VIA EVOLUTIONARY COMPUTATIONAL DESIGN". University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1513717453745275.
Texto completoTurdean-Ionescu, Claudia Adriana. "Multinuclear solid state NMR of novel bioactive glass and nanocomposite tissue scaffolds". Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/34621/.
Texto completoAsimakis, Symeon. "Nonlinear applications of step-index and microstructured soft-glass fibres". Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/65526/.
Texto completoMackechnie, Colin Jardine. "An investigation into thulium and ytterbium doped glass fibre lasers". Thesis, University of Southampton, 1994. https://eprints.soton.ac.uk/399144/.
Texto completoGecevičius, Mindaugas. "Polarization sensitive optical elements by ultrafast laser nanostructuring of glass". Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/374905/.
Texto completoMairaj, Arshad Khawar. "Optical waveguides and lasers in improved gallium lanthanum sulphide glass". Thesis, University of Southampton, 2003. https://eprints.soton.ac.uk/15476/.
Texto completoPanitchob, Yuwapat. "Integration of glass microspheres and planar waveguides for microsphere lasers". Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/69881/.
Texto completoHarwood, Duncan William John. "Towards a 1.39 µm planar neodymium doped fluoride glass waveguide amplifier". Thesis, University of Southampton, 2000. https://eprints.soton.ac.uk/15495/.
Texto completoDuffy, Jonathan A. "Positron and positronium annihilation studies of the phase behaviour of carbon dioxide in mesoporous VYCOR glass". Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294537.
Texto completoRivers, Paul Edmund. "Pulsed laser deposition of chalcogenide glass materials for potential waveguide laser applications". Thesis, University of Southampton, 2000. https://eprints.soton.ac.uk/15493/.
Texto completo