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    Browsing Physics (PHY) by Title

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      • Edge States and Effects of Disorder in Finite Graphene Sheets 

        Khare, Ojasvi
        The thesis endeavours to theoretically understand electronic properties of nite trapezoidal shaped graphene sheets, and understand zero energy edge states. The motivation for this thesis is recent experimental work at Low ...
      • Effect of a fast flux line on the coherence of 3D transmon qubits 

        Mandal, Arjit
        With the development of the science and technology, the quantum computers are becoming the possible key to reveal new breakthroughs. Unlike the classical computers, where we have classical bits (0or1), in quantum computation ...
      • Effect of Antimony Doping in Iron Chalcogenides 

        Nagendra, G M (2017-11-27)
        This thesis is organized in to six chapters. The contents of each chapter are briefly summarized in the following sections. Chapter 1 introduces different Fe-based superconductors. Within a very short span of their ...
      • Effect of As and Se substitution on the Phase Change properties of GeTe based alloys 

        Shekhawat, Roopali
        Phase-change memory (PCM) is a key enabling technology for non-volatile electrical data storage at the nanometer scale. A PCM device consists of a small active volume of phase-change material between two electrodes. In ...
      • Effect Of Strain, Microstructure And Grain Boundaries On The Electrical Properties In Thin Films Of Colossal Magneto Resistive Oxides 

        Paranjape, Mandar A (2011-08-04)
      • Effects Of Disorder On Physical Properties Of Selected Transition Metal Oxides 

        Choudhury, Debraj (2013-02-14)
        Disorder in materials often brings in new and exotic physical properties along with it. It is thus very important to study different kinds of disorder and their implications on various material properties. In this thesis, ...
      • Effects Of Spin Polarization And Spatial Confinement On Optical Properties Of Bulk Semiconductors And Doped Quantum Wells 

        Joshua, Arjun (2010-04-06)
        We correlated experimental results with theoretical estimations of the dielectric function ε(ω) in two contexts: the effect of an electric field in quantum wells and that of the spin polarization of an interacting electron-hole ...
      • Effects of Strong Electron-Electron Correlations on Band Insulators in Equilibrium and Non-Equilibrium 

        Bag, Soumen Kumar
        In this thesis, several aspects of correlation effects in band insulators that were hitherto not addressed, both in equilibrium and non-equilibrium, are studied using the Ionic Hubbard model (IHM) at half-filling and ...
      • Elasticity And Structural Phase Transitions Of Nanoscale Objects 

        Mogurampelly, Santosh (2015-12-14)
        Elastic properties of carbon nanotubes (CNT), boron nitride nanotubes (BNNT), double stranded DNA (dsDNA), paranemic-juxtapose crossover (PX-JX) DNA and dendrimer bound DNA are discussed in this thesis. Structural phase ...
      • Electric, Magnetic and Magnetocaloric Studies of Magnetoelectric GdMnO3 and Gd0.5Sr0.5MnO3 Single Crystals 

        Wagh, Aditya A (2018-05-10)
        After the prediction of magnetoelectric effect in Cr2O3, in early 1960's, D. Asrov became the first to experimentally verify this phenomenon. After the pioneering work on magnetoelectric materials in 1960's and 1970's, the ...
      • Electrical And Magnetic Properties Of Polyvinylchloride - Amorphous Carbon / Iron Carbide Nanoparticle Comosites 

        Shekhar, Shashank (2009-05-18)
        The UV-Visible spectra of a-C composites and nano composites have provided a very useful information about the electronic states and band structure. The UV-Visible spectra of a-C as well as nanoparticle are qualitatively ...
      • Electrical Spin Injection and Detection Using Oxide Magnetic Material Fe3O4 

        Bhat, Shwetha G
        Since the proposal of Datta-Das transistor, area of spin injection and detection is in the spotlight for the last decade. Intense research in this field has successfully tackled many issues like conductivity mismatch. Use ...
      • Electrical Transport And Low Frequency Noise In Graphene And Molybdenum Disulphide 

        Ghatak, Subhamoy (2017-05-21)
        This thesis work contains electrical transport and low frequency (1/f) noise measurements in ultrathin graphene and Molybdenum disulphide (MoS2) field effect transistors (FET). From the measurements, We mainly focus on the ...
      • Electrical transport and noise in polycrystalline 2D van der Waals materials and their grain boundaries 

        Hsieh Sui Mee, Kimberly
        The successful exfoliation of graphene in 2004 ushered in the era of 2D van der Waals materials, paving the way for a wide variety of applications in the field of electronics, optoelectronics, sensors, catalysis, flexible ...
      • Electrical transport and optical studies of spin-orbit coupled topological phases in different correlation regimes 

        Mandal, Shoubhik
        The interplay of spin-orbit coupling (SOC) and electron-electron correlation in different regimes gave birth to many novel topological phases with exotic properties ranging from quantum transport to superconductivity. One ...
      • Electrical transport in 3-dimensional topological insulators 

        Biswas, Sangram
        Topological insulators (TI) are a new class of materials in which gapped bulk states coexist with gapless surface-states having linear energy-momentum dispersion relation protected by time-reversal symmetry. These ...
      • Electrical Transport in Si:P and Ge:P δ-doped Systems 

        Shamin, Saquib (2018-07-30)
        Doped semiconductor systems have for decades provided an excellent platform to study novel concepts in solid state physics such as quantum hall effect, metal-to-insulator transition (MIT), weak localization and many body ...
      • Electrical Transport in the Hybrid Structures of 2D Van Der Waals Materials and Perovskite Oxide 

        Sahoo, Anindita (2018-01-01)
        Perovskite oxides have provided a wide variety of exotic functionalities based on their unique physical and chemical properties. By combining different perovskite oxides, interesting physical phenomena have been observed ...
      • Electrical transport study of Graphene/WSe2 Heterostructure 

        Tiwari, Priya
        Spintronics has emerged as a novel platform to build information storage and logic devices in the last few decades. Graphene promises a long spin propagation length even at room temperature due to its low spin-orbit ...
      • Electrical waves in mathematical models of human-ventricular tissue: effects of different modeling formalisms, electrophysiological factors, and heterogeneities on ventricular arrhythmias and the termination of these arrhythmias via a deep-learning approach 

        Mulimani, Mahesh Kumar
        Sudden cardiac death (SCD) remains one of the significant causes of mortality in industrialized and developing countries. SCD is often caused by life-threatening cardiac arrhythmias like ventricular tachycardia and ...

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