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Studies On CVD And ALD Of Thin Films Of Substituted And Composite Metal Oxides, Including Potential High-k Dielectrics
(2013-07-10)
The work carried out as a part of this thesis has been focussed on understanding different aspects of the chemical vapor deposition process namely, ALD / MOCVD. A large part of the thesis is aimed at solving the problem ...
Epitaxial Perovskite Superlattices For Voltage Tunable Device Applications
(2013-10-03)
Perovskite based artificial superlattices has recently been extensively investigated due to the immense promise in various device applications. The major applications include non-volatile random access memories, microwave ...
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 ...
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 ...
Studies on Effect of Defect Doping and Additives on Cr2O3 and SnO2 Based Metal Oxide Semiconductor Gas Sensors
(2018-03-09)
Metal Oxide (MO)semiconductors are one of the most widely used materials in commercial gas sensor devices. The basic principle of chemoresistive gas sensor operation stems on the high sensitivity of electrical resistance ...
Physicochemical Characterization and Gas Sensing Studies of Cr1-xFexNbO4 and Application of Principal Component Analysis
(2018-03-01)
Monitoring the working environment of laboratories and industries for pollutants is of primary concern to ensure the healthiness of working personnel. Semiconducting metal oxides (SMOs) are sensitive to the gas ambience ...
Tuning Zinc Oxide Layers Towards White Light Emission
(2014-06-09)
White light emitting diodes (LED) have drawn increasing attention due to their low energy consumption, high efficiency and potential to become primary lighting source by replacing conventional light sources. White light ...
Study Of Relaxor Ferroelectric PMN-PT Thin Films For Energy Harvesting Applications
(2015-08-06)
The present research work mainly focuses on the fabrication of 0.85PMN-0.15PT thin film relaxor ferroelectrics for energy harvesting applications.
Chapter 1 gives a brief review about why energy harvesting is required ...
Thin Film Semiconducting Metal Oxides By Nebulized Spray Pyrolysis And MOCVD, For Gas-Sensing Applications
(2013-04-19)
The atmosphere we live in contains various kinds of chemical species, natural and artificial, some of which are vital to our life, while many others are more or less harmful. The vital gases like oxygen, humidity have to ...