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Now showing items 11-20 of 30
Studies On Direct Methanol And Direct Borohydride Fuel Cells
(2009-03-09)
A fuel cell is an electrochemical power source with advantages of both the combustion engine and the battery. Like a combustion engine, a fuel cell will run as long as it is provided fuel; and like a battery, fuel cells ...
Thin Films Of A Carbonaceous Copper Oxide, Li Doped Cobalt Oxide And Li At Nanometric Dimension : Synthesis Through CVD, Solgel And Electromagnetic Irradiation And Characterisation
(2009-09-14)
Thin film nanostructures may be defined as assemblies, arrays, or randomly distributed nanoparticles, nanowires, or nanotubes, which together form a layer of materials supported on a substrate surface. Because such ...
Dielectric Titanate Ceramics : Contributions From Uncommon Substituents And Microstructural Modifications
(2009-03-02)
This thesis deals with the investigations on the dielectric properties of polycrystalline ceramics having uncommon substitutions in barium titanate and other related phases of BaTiO3-CaTiO3, MgTiO3-CaTiO3 and MgTiO3-BaTiO3 ...
Nonlinear Electrical And Magnetotransport Properties Of ZnO/Perovskite Manganite Ceramic Composites
(2009-06-05)
This thesis deals with the investigations on the nonlinear electrical and manganetotransport properties of polycrystalline multi-phase ceramic composites of Zno/pervoskite manganite. Multifunctional properties are studied ...
Investigations Of Mechanical And Thermoelectric Properties Of Group (VIB) Transition Metal Disilicides
(2009-09-10)
Transition Metal (TM) silicides are potential materials for different high temperature applications due to their high melting points and chemical stability at elevated temperatures. In the present work, the possible use of ...
Multilayers And Artificial Superlattices Of Lead Magnesium Niobate-Lead Titanate Based Relaxors
(2009-03-05)
The present research work mainly focuses on fabrication of compositionally modulated multilayers of (l−x) Pb(Mgi/3N2/3)O3 - x PbTiO3 (PMNPT) through multi target pulsed laser ablation technique. Heterostructures like ...
Development Of Materials For High Emission Density Electron Emitters For Microwave Tube Applications
(2009-06-17)
Microwave tubes are the choice of a wide range of high power and millimeter wave applications in radar, electronic warfare and communication systems. Advances in these devices are due to device innovation, improved modeling, ...
Studies On The Photo-induced DNA Cleavage Activity Of α-Amino Acid Copper Complexes Having Phenanthroline Bases
(2009-09-03)
Photo sensitizers showing visible light induced DNA cleavage activity are of current importance for medicinal applications related to photodynamic therapy (PTD) considering greater skin penetration of light near 700 nm. ...
Functional Derivatives Of MEHPPV Using The Dithiocarbamate Precursor Route
(2009-04-02)
Emissive conjugated polymers, namely PPV, PPP, polyfluorenes, etc, have gained
considerable attention in recent times, specifically because of their potential application in the fields of PLED’s, displays, FET’s and ...
Structure, Stability And Interfacial Studies Of Self Assembled Monolayers On Gold And Silver Surfaces
(2009-07-30)
Nanostructured materials play a vital role in almost all aspects of science and technology in the 21st century. The materials include nanoparticles, nanofilms, biological membranes etc. whose physicochemical properties are ...