Browsing Physics (PHY) by thesis submitted date"2007"
Now showing items 1-20 of 21
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1H-NMR Study of Proton Glasses - Nuclear Spin Lattice Relaxation in BPxBPI(1-x) and BPxGPI(1-x) - Effects of Disorder on the Proton Group Dynamics
Mixed systems made from a combination of ferroelectric (FE) and antiferroelectric (AFE) compounds, exhibit various effects of disorder in different temperature regions. The kind of effects observed, depend on the technique ... -
Contributions To Venominformatics : Sequence-Structure-Function Studies Of Toxins From Marine Cone Snails. Application Of Order-Statistics Filters For Detecting Membrane-Spanning Helices
(2009-07-21)Venomous animals have evolved a vast array of peptide toxins for prey capture and defense. Nature has evolved the venoms into a huge library of active molecules with high selectivity and affinity, which could be explored ... -
Crystal Structure Of Abrus Precatorius Agglutinin-I (APA-I) : Insights Into The Reduced Toxicity Of APA-I In Relation To Abrin. Formation Of Ordered Nanotubes Through Self Assembly In The Crystal Structures Of Dipeptides Containing α. β-dehydrophenylalanine
(2009-07-22)Ribosome Inactivating Proteins (RIPs) are protein or glycoprotein toxins that bring about the arrest of protein synthesis by directly interacting with and inactivating the ribosomes. Such toxins are in general, of plant ... -
Development And Optimization Of A Microchip PCR System Using Fluorescence Detection
(2011-02-21)Microfabricated thermal cyclers for nucleic acid amplification by using polymerase chain reaction (PCR) have been demonstrated by several groups over the last decade, with improved cycling speed and smaller volumes when ... -
Dynamics of Warps and Lopsidedness in Spiral Galaxies
(2018-07-28) -
Electrical And Magnetic Properties Of Polyvinylchloride - Amorphous Carbon / Iron Carbide Nanoparticle Comosites
(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 ... -
Growth, Transport, Magnetic And Thermal Studies On Single Crystals Of Pr1-xPbxMnO3
(2009-06-17)Mixed valence manganites with the perovskite structure R1-xAxMnO3 (where R = La, Nd, Pr and A = Ba, Ca, Sr, Pb) have been a popular subject of contemporary research because of their interesting physical properties such as ... -
High Precision Optical Frequency Metrology
(2009-07-22)Precise measurements of both absolute frequencies and small frequency differences of atomic energy levels have played an important role in the development of physics. For example, high precision measurements of absolute ... -
Investigation Of Damage Process In Current Stressed Metal Film Using Noise Spectroscopy, Scanning Thermal Microscopy And Simulation Studies
(2010-09-27)Reliability, besides the performance, is one of the important key factors of success of any technology. While a product should perform at best as desired, it must also be capable of working for intended period of life ... -
Magnetization, Magnetotransport And Electron Magnetic Resonance Studies Of Certain Doped Rare Earth Manganites
(2009-09-03)Study of rare-earth manganites has been a very active research area in the last few years in condensed matter physics. This is due to the interesting phenomena such as (1) colossal magneto resistance (2) charge, orbital ... -
Magnetization, Magnetotransport And Electron Magnetic Resonance Studies Of Certain Nanoscale Manganites
(2010-06-15)Perovskite rare-earth manganites of the form R1-xAxMnO3 (R – rare earth ion or Bi, A – Ca,Sr) have drawn an overwhelming research interest during the last few years owing to their extraordinary physical properties. Some ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ...