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Browsing PHYSICS by Title

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  • 2.4/2.5 GHz DUAL BAND REFLECTION TYPE PHASE SHIFTER 
    Kumar, Amarjit (2011)
    This dissertation aims towards the design analysis of 2.4/5.2 GHz dual band reflection type varactor based tunable phase shifter. Dual band impedence transforming 3 dB quadrature coupler is first designed at 2.4/5.2 GHz ...
  • AB INITIO NO CORE SHELL MODEL STUDY FOR LIGHTER NUCLEI 
    Saxena, Archana (I.I.T Roorkee, 2019-05)
    The aim of the present thesis is to perform ab initio no core shell model (NCSM) calculations for lighter nuclei and to perform shell model calculations using valence-space Hamiltonians derived with ab initio approaches ...
  • AB INITIO STUDIES OF ELECTRONIC STRUCTURE AND PROPERTIES OF DIATOMIC MOLECULES CONTAINING ALKALINE-EARTH ATOMS 
    Bala, Renu (I.I.T Roorkee, 2019-05)
    With recent advancements in experimental techniques, the study of diatomic molecules at cold and ultracold temperatures has attracted considerable recognition in various areas of research such as controlled chemical ...
  • Activity measurement using scintillation detector 
    Gourishetty, Anil Kumar (Department of Physics,IITR., 2016-05)
    The aim of this project is to calculate the activity of different radioactive sources such as Cs- 137, Co-60, Na-22 and Co-57 using different scintillation detectors, namely, NaI(Tl), LaBr3(Ce) and LaCl3(Ce). The activity ...
  • ANALOG SIMULATION & CONTROL OF AN INDUSTRIAL PROCESS 
    Ramesh, M. V. (1987)
    An analog computer makes use of the fact that the equations describing sorre electrical devices are completely analogous to the equations describing other systems like mechanical, chemical, hydraulic, etc. V Basically, ...
  • ANALYSIS OF INTERCONNECT PERFORMANCE USING FDTD TECHNIQUE 
    Mittal, Shailesh (2012)
    Device scaling in deep Submicron technology shrinkage the spacing between adjacent interconnect, which leads to increase coupling effect between wires. Continuous device scaling much improved the gates delay. However, ...
  • AN ANALYTICAL STUDY OE DOUBLE--GATE MOSFET 
    Sharma, Shweta (2004)
    In the present work, an improved analytical model for current-voltage relationship for DGMOSFET is developed by taking into account the effects ofMulti-subband occupancy and Drain Induced Barrier Lowering (DIBL). The ...
  • ANISOTROPIC QUARK GLUON PLASMA: DISSOCIATION OF QUARKONIUM STATES 
    Thakur, Lata (PHYSICS IIT ROORKEE, 2015-11)
    Quantum Chromodynamics (QCD) is the gauge theory of strong interactions which de- scribes the interaction among quarks and gluons by the exchange of gluons. QCD has two important features: the first one states that the ...
  • THE ANNEALING STUDIES ON THE STRUCTURF AND PROPERTIES OF ELECTROLESS AMORPHeT TRANSITION METAL-METALLOID SYSTEM: Ni 10 
    Tyagi, S. V. S. (1986)
    Amorphous metallic alloys, characterised by the absence of a long range atomic order, have emerged as an important class of materials of widespread scientific and industrial interest. These materials have unique magnetic, ...
  • APPLICATION OF SEMI-CLASSICAL METHODS TO DEFORMED AND SUPERDEFORMED NUCLEAR SYSTEMS 
    Dudeja, Manisha (1998)
    The present thesis aims at bringing the latest discoveries in nuclear physics and the new developments in semiclassical physics closer together. The low energy domain of nuclear physics has been replete with exciting ...
  • APPLICATION SPECIFIC MULTILAYER OPTICAL STRUCTURES 
    Babita (Dept. of Physics iit Roorkee, 2014-07)
    The contemporary physics revolution based on discovery of electromagnetic waves has led science and technology into new era. Development of modern technologies like wireless communication systems, high energy particle ...
  • APPLICATIONS OF TOP-DOWN HOLOGRAPHIC THERMAL QCD AT FINITE COUPLING 
    Sil, Karunava (I.I.T Roorkee, 2017)
    Large-N thermal QCD laboratories like strongly coupled QGP (sQGP) require not only a large t’Hooft coupling but also a finite gauge coupling [1]. Unlike almost all top-down holographic models in the literature, holographic ...
  • ASPECTS IN BREAK-UP REACTIONS 
    Neelam (I.I.T Roorkee, 2017)
    Break-up reactions offer many opportunities to study the structure and reactions of exotic nuclei. In this thesis we use the theoretical formalism of elastic Coulomb break-up reactions to study medium mass exotic nuclei ...
  • ATMOSPHERIC CORRECTION OF THE IRS HIGH RESOLUTION IMAGES 
    Srivastava, Shailendra Shanker (2009)
    For ideal remote sensing, a non-interfering atmosphere is needed, which would not modify the radiation from the source. But, it is not the reality, scattering due to the molecules and aerosols in the atmosphere and absorption ...
  • AUTOMATED MEASUREMENT OF RESISTIVITY OF THIN FILMS - 
    Khan, Md. Faisal (2006)
    In the area of measurements, a big part of the technical expertise is gained from practical experience. Therefore, the learning period require to become a skilled engineer is usually very long. Nowadays, when more ...
  • BETA - GAMMA - GAMMA ANGULAR COCOON STUDIES OF THE RADIATIONS FROM THE DRAY OF SOME RADIOACTIVE ISOTOPES 
    Rathore, Indra Vikram Singh (1977)
    The matter presented in this thesis is the author's attempt to study the properties of nuclear excited states and the radiations emitted by some radioactive nuclei by beta-gamma-gamma angular correlation method. The ...
  • BLUE ENHANCED SUPERCONTINUUM GENERATION IN SPIRAL SILICA PHOTONIC CRYSTAL FIBER 
    Anjali (I I T ROORKEE, 2019-05)
    We present a design of a highly nonlinear silica spiral photonic crystal fiber and obtain the supercontinuum generation for a wider bandwidth (2300 nm) extending from 320 nm to 2620 nm at 40 dB below the spectral peak ...
  • CHARACTERIZATION OF BST BASED VARACTOR FOR PHASE SHIFTER APPLICATION 
    Yadava, Anil Kumar (IIT ROORKEE, 2013-06)
    The work presented here is on pure BST and Mg doped BST thin film. Fabrication of planer capacitor was done using sol-gel based spin coating technique on substrate of n-type Si (IOU). Uniformly composed and well-developed ...
  • CHARACTERIZATION OF BST BASED VARACTOR FOR PHASE SHIFTER APPLICATIONS 
    Yadava, Anil Kumar (PHYSICS IIT ROORKEE, 2013-06)
    The work presented here is on pure BST and Mg doped BST thin film. The fabrication of planer capacitor was done using sol-gel based spin coating technique on an n-type Si (100) substrate. High-quality thin films with uniform ...
  • Characterization of LaCl3:Ce detectors for gamma spectroscopy 
    Kalyani (Department of Physics,IITR., 2016-05)
    Cerium (Ce) doped LaCl3 and LaBr3 have been invented by Delft and Bern Universities and some other groups. Their commercial availability has been made by Saint-Gobain. This project aims to characterize LaCl3:Ce scintillator ...