Search
Now showing items 211-220 of 451
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 ...
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 ...
Charge Transport In Transparent Single-Wall Carbon Nanotube Networks And Devices
(2010-06-02)
Carbon nanotubes show a wide range of transport behavior that varies from ballistic to hopping regime, depending on the nature of disorder in the system. Minute variations in disorder can lead from weak to strong localization, ...
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 ...
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 ...
Nanodevices of Graphene, Carbon Nanotubes and Flow Behaviour of Graphene Oxide Gel
(2018-05-09)
In the last three decades carbon nanomaterials such as fullerenes, carbon nanotubes and graphene have attracted significant attention from the scientific community due to their unique electronic, optical, thermal, mechanical ...
Studies Of Phosphorus-Functionalized Calix[4]arenes And Their Palladium Complexes
(2009-03-31)
Calixarenes, particularly calix[4]arenes, continue to attract considerable attention in synthetic chemistry, notably as platforms for designing sophisticated molecular cages and claw-like ligands. Incorporation of phosphorus ...
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 ...
Thermal Fluctuation Spectroscopy And Its Application In The Study Of Biomolecules
(2009-03-03)
The aim of this thesis is to study the energy fluctuations (leading to thermal fluctuations) during thermal and enzymatic denaturation of biological molecules and to study the variation in fluctuations between simple ...
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. ...