Materials Research Centre (MRC): Recent submissions
Now showing items 121-140 of 209
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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 ... -
Dissimilar Hetero-Interfaces with Group III-A Nitrides : Material And Device Perspectives
(2017-10-31)Group III-A nitrides (GaN, AlN, InN and alloys) are materials of considerable contemporary interest and currently enable a wide variety of optoelectronic and high-power, high-frequency electronic applications. All of these ... -
Phase Transformation Behavior Of Embedded Bimetallic Nanoscaled Alloy Particles In Immiscible Matrices
(2017-02-16)The aim of the present thesis is to understand the phase transformation behavior of embedded alloy nanoparticles embedded in immiscible matrices. Embedded alloy inclusions have been dispersed in immiscible matrix via rapid ... -
Group III-Nitride Epitaxial Heterostructures By Plasma-Assisted Molecular Beam Epitaxy
(2016-04-18)Group III-nitride semiconductors have received much research attention and witnessed a significant development due to their ample applications in solid-state lighting and high-power/high-frequency electronics. Numerous ... -
Semipolar And Nonpolar Group III-Nitride Heterostructures By Plasma-Assisted Molecular Beam Epitaxy
(2015-09-08)Group III-nitride semiconductors are well suited for the fabrication of devices including visible-ultraviolet light emitting diodes, high-temperature and high-frequency devices. The wurtzite III-nitride based heterostructures ... -
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 ... -
Group III Nitride/p-Silicon Heterojunctions By Plasma Assisted Molecular Beam Epitaxy
(2015-07-24)The present work focuses on the growth and characterizations of GaN and InN layers and nanostructures on p-Si(100) and p-Si(111) substrates by plasma-assisted molecular beam epitaxy and the studies of GaN/p-Si and InN/p-Si ... -
From Synthesis To Applications Of Pristine And Nitrogen-Doped Carbon Nanotubes
(2015-07-13)Carbon nanotubes (CNTs) are well known as excellent electrical conductors. However, their transport properties are limited by electrical breakdown in ambient. Moreover, the electronic properties can further be modulated ... -
Group III-Nitride Epi And Nanostructures On Si(111) By Molecular Beam Epitaxy
(2014-11-18)The present work has been focused on the growth of Group III-nitride epitaxial layers and nanostructures on Si (111) substrates by plasma-assisted molecular beam epitaxy. Silicon is regarded as a promising substrate for ... -
Controlled Nucleation, Growth And Directed Assembly Of Nanocrystals With Engineered Interfaces For Applications
(2014-11-14)Controlling the morphology of nanocrystals provides provides a possible pathway to tune properties and hence has been explored in depth. However, to obtain a wider spectrum of properties or for multi-functionality. Other ... -
Graphene Nanostructures : A Theoretical Study Of Electronic, Magnetic And Structural Properties
(2014-09-26)Graphene is a single layer of carbon atoms arranged in honeycomb lattice. Over a long period of time it was treated as a hypothetical material to understand the properties of other allotropes of carbon, such as graphite, ... -
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 ... -
Properties And Applications Of Semiconductor And Layered Nanomaterials
(2014-04-07)This thesis deals with the research work carried out on the properties and applications such as GaN nanoparticles, Graphene etc. Chapter 1 of the thesis gives introduction to nanomaterials and various aspects of the ...