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Now showing items 3091-3110 of 8778
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Ground states, excitations, thermodynamics and exact results in various lattice systems
This thesis covers problems in a few different aspects of interacting many-particle systems on a lattice. The first problem is of a quantum dynamical system, and the rest are of quantum and classical magnetic systems. We ... -
Ground-dwelling arthropods across human land use: Interpreting the spatial and temporal dimensions of beta diversity
This study investigates beta diversity and its partitions to quantify the influence of different processes that drive spatial and temporal variation in ground-dwelling arthropod assemblages. First, ant assemblages across ... -
Group III Nitride/p-Silicon Heterojunctions By Plasma Assisted Molecular Beam Epitaxy
(2015-07-24)The present work focuses on the growth and characterizations of GaN and InN layers and nanostructures on p-Si(100) and p-Si(111) substrates by plasma-assisted molecular beam epitaxy and the studies of GaN/p-Si and InN/p-Si ... -
Group III-Nitride Epi And Nanostructures On Si(111) By Molecular Beam Epitaxy
(2014-11-18)The present work has been focused on the growth of Group III-nitride epitaxial layers and nanostructures on Si (111) substrates by plasma-assisted molecular beam epitaxy. Silicon is regarded as a promising substrate for ... -
Group III-Nitride Epitaxial Heterostructures By Plasma-Assisted Molecular Beam Epitaxy
(2016-04-18)Group III-nitride semiconductors have received much research attention and witnessed a significant development due to their ample applications in solid-state lighting and high-power/high-frequency electronics. Numerous ... -
Group Testing: A Probably Approximately Correct Analysis and Recovery Algorithms for pooled RT-qPCR
The goal of group testing, also called pool testing, is to successfully identify a set of k defectives from a population of n items using only m (< n) group tests. In each group test, a subset of the n items is tested ... -
Growth and Characterization of Single crystalline VO2 Heterostructures
Vanadium dioxide is a strongly correlated material with a temperature driven metal-to-insulator transition (MIT) near room temperature (~340 K). This electronic transition is accompanied by a structural transition from ... -
Growth And Characterization Of Technologically Important Nonlinear Optical Crystals: Cesium Lithium Borate And Potassium Di-Deuterium Phosphate
(2008-09-30)Present day advanced technologies heavily rely on one particular class of matter, i.e. the crystals. It is the periodic nature of the atoms and the properties arising due to the periodicity in crystals that is exploited ... -
Growth And Characterization of ZnO Nanostructures for Device Applications : Field Emission, Memristor And Gas Sensors
(2017-11-09)Zinc oxide (ZnO) is perhaps one of the most widely studied material in the last two decades. It has received so much of attention because of its incredible potential for wide ranging applications. ZnO is a wide band gap ... -
Growth and investigations of certain oxide crystals exibhiting phase transitions
A simple and efficient procedure has been devised to separate the grown YBa?Cu?O?.? crystals from the flux matrix. The extracted YBCO crystals have clear surfaces free from flux. Thermal shock and consequent cracking of ... -
Growth and Physical Properties of Biaxial Nonlinear Optical Crystals of Ascorbic Acid Family
(2018-02-26)Saccharides, a class of organic materials, are potential candidates for nonlinear optical applications. Ascorbic acid is a sugar acid and is classified as a monosaccharide. The molecule of ascorbic acid has two chiral centers ... -
Growth And Physical Properties Of Nonlinear Optical Crystals CsH(C4H4O5)H2O, CsLiB6O10 And Near-Stoichiometric LiNbO3
(2011-01-18)NLO materials have been researched for nearly five decades from the point of view of understanding the basic mechanisms and also in the pursuit of new materials possessing improved properties. Materials satisfying a set ... -
Growth and Studies of Phase Transitions in Multifunctional Perovskite Materials
(2018-06-11)Crystal growth and characterization of few multifunctional materials with perovskite (ABX3) structure are discussed in this thesis. Efforts were made to modify the magnetic and electric behaviour of these materials by ... -
Growth and study of certain physical properties of KTiOPO4 single crystals
The crystal growth of KTP (Potassium Titanyl Phosphate) from K?P?O?? solvent has been carried out by spontaneous crystallization as well as the top-seeded solution growth (TSSG) technique. For TSSG, a crystal growth system ... -
Growth Aspects And Phonon Confinement Studies On Ion Beam Sputter Deposited Ultra Thin Films
(2011-03-01)The broad theme of the present research investigation is on the preparation and characterization of the ultra thin films. The emerging field of nano science and technology demands the realization of different materials in ... -
Growth Kinetics And Electronic Properties Of Semiconducting Nanocrystals In The Quantum Confined Regime
(2009-03-04)Properties of nanocrystals are extremely sensitive to their sizes when their sizes are smaller or of the order of the excitonic diameter due to the quantum confinement effect. The interest in this field has been concentrated ...