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In-Situ Synthesis Of A12O3_ZrO2_SiCw Ceramic Matrix Composites By Carbothermal Reduction Of Natural Silicates
(Indian Institute of Science, 2006-06-14)
This thesis outlines the work done on in-situ synthesis of Al2O3-ZrO2-SiCw ceramic composites and their property evaluation. The introductory chapter deals with the literature survey on ceramic matrix composites, properties ...
Chemical Characterisation Of The Surfaces And Interfaces Of Barium Titanate And Related Electronic Ceramics
(2007-10-25)
This thesis deals with the investigations on the atomic composition, chemical surface states and microstructural features of barium titanate and other electronic ceramics namely barium polytitantes, calcium manganites and ...
Dynamical Approach To The Protevin-Le Chatelier Effect
(Indian Institute of Science, 2006-06-07)
Materials when subjected to deformation exhibit unstable plastic flow beyond the elastic limit. In certain range of temperature and strain rates many solid state solutions, both interstitial as well as substitutional, ...
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 ...
Study Of Pulsed Laser Ablated Barium Strontium Titanate Thin Flims For Dynamic Random Access Memory Applications
(Indian Institute of Science, 2006-04-18)
The present study describes the growth and characterization of pulsed laser ablated Bao.sSro.sTiOs (BST) thin films. Emphasis has been laid on the study of a plausible correlation between structure and property in order ...
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 ...
Charge-Transfer Associated Photoluminescence Of Rare-Earths Doped Oxide Phosphors
(2007-12-29)
Luminescent materials can be found in a broad range of everyday applications. While in the seventies and eighties, the field of luminescent materials seemed to be fairly well covered, research in nineties has been revitalized ...
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, ...
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 ...