Browsing Division of Physical and Mathematical Sciences by thesis submitted date"2007"
Now showing items 21-36 of 36
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Mossbauer, Magnetization And Electrical Transport Studies On Iron Nanoparticles Embedded In The Carbon Matrix
(2009-08-19)This thesis deals with the studies of magnetization and electrical transport properties of iron nanoparticles embedded in the carbon matrix. The synthesis and characteristics of the nanoparticle systems studied, are also ... -
A New Method To Determine Optimal Time-Delays Between Switching Of Digital VLSI Circuits To Minimize Power Supply Noise
(2010-06-01)Power supply noise, which is the variation in the supply voltage across the on-die supply terminals of VLSI circuits, is a serious performance degrader in digital circuits and mixed analog-digital circuits. In digital VLSI ... -
NMR Investigations Of Oriented Systems : Novel Techniques And Applications
(2011-02-22)This thesis presents results of novel methodologies applied to oriented systems. Both pure liquid crystalline materials as well as molecules oriented in liquid crystalline matrices have been studied. In particular this ... -
Property Modulation Of Zinc Oxide Through Doping
(2009-04-24)Semi conductors are of technological importance and attracted many of the re-searchers. ZnO belongs to the family of II-VI semiconductors and has material properties well suitable to UV light emitters, varistors, Schottky ... -
Quantum Algorithms Using Nuclear Magnetic Resonance Quantum Information Processor
(2009-05-12)The present work, briefly described below, consists of implementation of several quantum algorithms in an NMR Quantum Information Processor. Game theory gives us mathematical tools to analyze situations of conflict between ... -
Quantum Information Processing By NMR : Quantum State Discrimination, Hadamard Spectroscopy, Liouville Space Search, Use Of Geometric Phase For Gates And Algorithms
(2011-02-22)The progess in NMRQIP can be outlined in to four parts.1) Implementation of theoretical protocols on small number of qubits. 2) Demonstration of QIP on various NMR systems. 3) Designing and implementing the algorithms for ... -
Quantum Spin Chains And Luttinger Liquids With Junctions : Analytical And Numerical Studies
(2010-03-09)We present in this thesis a series of studies on the physical properties of some one dimensional systems. In particular we study the low energy properties of various spin chains and a junction of Luttinger wires. For spin ... -
Small Angle Measurement Using Optical Caustics From Hollow Cylinders - Few Investingations
(2009-09-15)‘Optical Caustics’ represent some of the most visually striking patterns of the light in nature.They occur when light rays from a source, such as the sun, get refracted, or reflected by curved media so as to bend and alter ... -
Spectral Theory And Root Bases Associated With Multiparameter Eigenvalue Problems
(2010-06-01)Consider (1) -yn1+ q1y1 = (λr11 + µr12)y1 on [0, 1] y’1(0) = cot α1 and = y’1(1) = a1λ + b1 y1(0) y1(1) ... -
Studies On AC Losses In Certain Type II Superconductors
(2010-06-14)Studies on ac losses in superconductors have been a subject of great interest for a long time not only as an important topic in fundamental science, but also as a basic requirement for the application of superconductors. ... -
Studies On Photoinduced Interdiffusion In Se/ As2S3 And Bi/As2S3 Nanolayered Films
(2009-04-30)Availability of amorphous semiconductors in the form of high quality multilayers provide potential applications in the field of micro- and optoelectronics. Although the misfit problems in amorphous multilayers (AML) are ... -
Studies On The Electrical Properties Of Titanium Dioxide Thin Film Dielectrics For Microelectronic Applications
(2009-05-06)The scaling down of Complementary Metal Oxide Semiconductor (CMOS) transistors requires replacement of conventional silicon dioxide layer with higher dielectric constant (K) material for gate dielectric. In order to reduce ... -
Synthesis, Characterization and Electrical Transport In Carbon Nanotubes
(2011-08-05)In this thesis, synthesis, characterization and electrical transport of Carbon nanotubes (CNTs) have been discussed. The first chapter contains a brief introduction of various forms of carbon including CNT. The CNTs are ... -
Theoretical Study Of Some Transport And Spectroscopic Phenomena In Two Materials Showing Large Magnetoresistance
(2009-07-09)In this thesis I present studies of some transport and spectroscopic properties for two di erent materials exhibiting large magnetoresistance. Both of these materials are oxides of transition metals, showing exotic magnetic ... -
Understanding The Solar Magnetic Fields :Their Generation, Evolution And Variability
(2010-03-24)The Sun, by the virtue of its proximity to Earth, serves as an excellent astrophysical laboratory for testing our theoretical ideas. The Sun displays a plethora of visually awe-inspiring phenomena including flares, ... -
X-Ray Crystallographic Studies Of Designed Peptides And Protected Omega Amino Acids : Structure, Conformation, Aggregation And Aromatic Interactions
(2009-05-18)Peptides have assumed considerable importance in pharmaceutical industry and vaccine research. Understanding the structural features of these peptide molecules can be effective not only in mimicking natural proteins but ...