Materials Research Centre (MRC): Recent submissions
Now showing items 101-120 of 202
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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 ... -
Nanostructurization of Transition Metal Silicides for High Temperature Thermoelectric Materials
(2018-03-06)Transition Metal Silicides (TMS) are well known refractory materials because of their high thermal and structural stability at elevated temperature. In addition TMS materials are known for their moderate thermoelectric ... -
Novel 1-D and 2-D Carbon Nanostructures Based Absorbers for Photothermal Applications
(2018-03-02)Solar thermal energy is emerging as an important source of renewable energy for meeting the ever-increasing energy requirements of the world. Solar selective coatings are known to enhance the efficiency of the photo thermal ... -
Interfacing Biomolecules with Nanomaterials for Novel Applications
(2018-03-02)This thesis deals with the research work carried out for the development of novel applications by integrating biomolecules with various nanostructures. The thesis is organized as follows: Chapter 1 reviews the properties ... -
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 ... -
Development of Multifunctional Biomaterials and Probing the Electric Field Stimulated Cell Functionality on Conducting Substrates : Experimental and Theoretical Studies
(2018-02-28)Materials with appropriate combinations of multifunctional properties (strength, toughness, electrical conductivity and piezoelectricity) together with desired biocompatibility are promising candidates for biomedical ... -
Mechanisms of Formation and Thermal Stabililty of Functional Nanostructures
(2018-02-22)There are many challenges in materializing the applications utilizing inorganic nanoparticles. The primary drawback is the degradation of properties due to aggregation and sintering either due to elevated temperatures or ... -
Hydrothermal Synthesis of Carbon Nanoparticles for Various Applications
(2018-02-20)Carbon nanoparticles (CNPs) have drawn great attention in the last few years owing to their unique properties such as excellent water solubility, chemical stability, inertness, low toxicity, good bio-compatibility, and ... -
Size Dependence of Static and Dynamic Properties of Nanobars and Nanotubes
(2018-02-11)This thesis aims at investigating size dependence of properties of nanostructures from the point of view of a general scaling theory that smoothly connects properties of the bulk to that of nanostructures. Two different ... -
Investigation of Structural and Electronic Aspects of Ultrathin Metal Nanowires
(2018-02-11)The constant trend of device miniaturization along with ever-growing list of unusual behaviour of nanoscale materials has fuelled the recent research in fabrication and applications of ultrathin (~2 nm diameter) nanowires. ... -
Investigations of Solution Combustion Process and their Utilization for Bioceramic Applications
(2018-01-13)Solution combustion synthesis (SCS) with its origin at IPC department of IISc has been widely practiced for synthesis of oxide materials. It is simple and low cost process, with energy and time savings that can be used to ... -
"Developing Device Quality Vanadium Dioxide Thin Films for Infrared Applications"
(2018-01-04)Vanadium oxides are being used as the thermal sensing layer because of their applications in infrared detectors. They have high temperature coefficient of resistance, favorable electrical resistance and compatibility with ... -
Thermal Oxidation Strategies for the Synthesis of Binary Oxides and their Applications
(2017-12-12)Binary oxides constitute an outstanding class of functional materials with potential applications in many fields such as catalysis, gas sensing, field emission, solar cells, photodetection, etc. Due to the difference in ... -
Thermodynamics and Kinetics of Nucleation and Growth of Silicon Nanowires
(2017-12-10)Si nanowires have potential applications in a variety of technologies such as micro and nanoelectronics, sensors, electrodes and photovoltaic applications due to their size and specific surface area. Au particle-assisted ... -
Design and Development of Microstereolithography (MSL) System and Its Applications in Microfabrication of Polymer and Ceramic Structures
(2017-11-30)In the present era where MEMS (Micro Electro-Mechanical Systems) technology is in¬evitable from the perspective of applications in non-silicon based micro-devices (such as biosensors, microfluidics, microvalves etc.), it ... -
Rational Design of Advanced Hybrid Nanostructures for Catalysis and Electrocatalysis
(2017-11-28)The hybrid nanostructures exhibit excellent performances in various fields such as catalysis, sensing, and energy conversion as compared to their individual ones. The thesis deals with the new methods for the synthesis of ... -
Efficient Dislocation Reduction Methods for Integrating Gallium Nitride HEMTs on Si
(2017-11-23)Gallium Nitride (GaN) and its alloys with InN and AlN, the III-nitrides, are of interest for a variety of high power-high frequency electronics and optoelectronics applications. However, unlike Si and GaAs technology that ... -
A Dynamical Approach to Plastic Deformation of Nano-Scale Materials : Nano and Micro-Indentation
(2017-11-22)Recent studies demonstrate that mechanical deformation of small volume systems can be significantly different from those of the bulk. One such interesting length scale dependent property is the increase in the yield stress ... -
Tuning Electronic Properties of Low Dimensional Materials
(2017-11-22)Discovery of grapheme has paved way for experimental realization of many physical phenomena such as massless Dirac fermions, quantum hall effect and zero-field conductivity. Search for other two dimensional (2D) materials ...