Materials Research Centre (MRC): Recent submissions
Now showing items 161-180 of 197
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Structure And Oxygen Storage Capacity Of Ce1-xMxO2-δ(M=Sn, Zr, Mn, Fe, Co, Ni, Cu, La, Y, Pd, Pt, Ru) : Experimental And Density Functional Theoritical Study
(2011-06-30)Ceria (CeO2) containing materials are the subject of numerous investigations recently owing to their broad range of applications in various fields. Ceria is one of the most important components of three-way catalysts (TWC). ... -
Experimental And Theoretical Studies Of Strongly Correlated Multiferroic Oxides
(2011-05-23)This thesis presents the synthesis and investigations of physical and chemical properties of multiferroic materials experimentally as well as theoretically. Multiferroics are materials in which at least two of the three ... -
Transparent Glass Nono/Microcrystal Composites In MO-Bi2O3-B2O3(M= Sr, Ca) System And Their Physical Properties
(2011-02-10)Transparent glass-ceramics have been of industrial interest because of their multifarious applications. These are becoming increasingly important because of the flexibility that is associated with this route of fabricating ... -
Structural, Optical And Electrical Studies On Aurivillius Oxide Thin Films
(2011-02-03)The present research work mainly focuses on the fabrication and characterization of single and multilayer thin films based on Bismuth Vanadate (BVO) and Bismuth Titanate (BTO). The multi-target laser ablation technique was ... -
Investigations Into The Bulk Single Crystals, Nano Crystal Composites And Thin Films Of Ferroelectric Materials For Pyroelectric Sensor Applications
(2011-02-02)In this thesis, the results pertaining to various investigations carried out on Triglycine sulphate (TGS) single crystals, polyvinylidene fluoride (PVDF) films, lithium tantalate (LT)/PVDF nanocomposites and LT thin films ... -
MOCVD Of Carbonaceous MnO Coating : Electrochemical And Charge Transport Studies
(2011-01-17)Metalorganic Chemical Vapour Deposition (MOCVD) is a versatile technique for the deposition of thin films of oxide materials as it offers advantages, such as deposition over large surface area, conformal coverage, selective ... -
Multifunctionalities Of Telllurite And Borate Based Glasses Comprising Nano/Micro Crystals Of Tetragonal Tungsten Bronze-Type Ferroelectric Oxides
(2011-01-17)Transparent glasses embedded with TTB structured ferroelectric nano/micro crystals (K3Li2Nb5O15, Ba5Li2Ti2Nb8O30) were fabricated in various tellurite and borate based glass matrices and characterized for their physical ... -
Functional Noble Metal, Bimetallic And Hybrid Nanostructures By Controlled Aggregation Of Ultrafine Building Blocks
(2010-12-30)Functional nanomaterials are gaining attention due to their excellent shape and size dependent optical, electrical and catalytic properties. Synthesizing nanoparticles is no longer novel with the availability of a host of ... -
Synthesis And Characterization Of One-Dimensional Oxide Nanostructures
(2010-12-08)Nanostructured materials especially, one-dimensional (1D) nanostructures have unique physical, chemical, mechanical properties and are the building blocks for a range of nanoscale devices. The procedure employed for the ... -
Molten-salt Synthesis Of Nanocrystalline Strontium Antimony Manganese Oxide (Sr2SbMnO6) : A Gaint Dielectric Constant Material
(2010-12-03)High dielectric constant materials are of technological importance as they lead to the miniaturization of the electronic devices. For instance, in the case of memory devices based on capacitive components, such as static ... -
Thermoelectric Properties Of Manganese And Ytterbium Filled Cobalt Antimonide(CoSb3)
(2010-09-22)Thermoelectric materials are solid state devices having the capability to convert heat to electrical energy and vice versa. These materials are simple, have no moving parts and use no greenhouse gases. But the major ... -
Understanding The Growth And Properties Of Functional Inorganic Nanostructures : An Interfacial Approach
(2010-07-23)Surfaces and interfaces are of fundamental importance from the nucleation to growth of crystals formed under different conditions such as vapor phase, liquid phase including biomineralisation conditions. Recently there is ... -
Synthesis And Studies Of Perovskite Nanostructures
(2010-07-23)The group of materials with ABO3 type perovskite structure are very important due to their attractive electrical and magnetic properties for technological applications and have been studied in the form of single crystals, ... -
Vapour Pressure Studies Of Precursors And Atomic Layer Deposition Of Titanium Oxides
(2010-07-16)This thesis describes the deposition of thin films of titanium oxide and Magnéli phases of titanium oxide by atomic layer deposition (ALD) using a novel β-ketoesterate precursor. Titanium oxide is a promising candidate for ... -
Investigations Into The Microstructure-Property Correlation In Doped And Undoped Giant Dielectric Constant Material CaCu3Ti4O12
(2010-05-24)High dielectric constant materials are of technological importance as they lead to the miniaturization of the electronic devices. In this context, the observation of anomalously high dielectric constant (>104) in the ... -
Investigations Into The Synthesis, Structural And Dielectric Properties Concerning The Relaxor Behavior Of n=2 Members Of The Aurivillius Family Of Oxides
(2010-05-21)Relaxor ferroelectrics have been a subject of intense research owing to their interesting physical properties such as high dielectric constant and giant electro-striction. Unlike the conventional lead based relaxors, the ... -
Studies On Epitaxial Perovskite Biferroic Heterostructures
(2010-04-08)The present research work focuses on the fabrication and characterization of epitaxial heterostructures of 0.7 Pb(Mg1/3N2/3)O3 – 0.3 PbTiO3 (PMN-PT) and La0.6Sr0.4MnO3 (LSMO) using multi target pulsed laser ablation ... -
Thin Films From Metalorganic Precursors : ALD Of VO2 And CVD Of (Al1-xGax)2O3
(2010-04-08)Thin films and coatings of oxides are used in various fields of science and technology, such as semiconductor and optoelectronic devices, gas sensors, protective and wear resistant coatings etc. Of late, there has been a ...