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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 ...
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 ...
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 ...
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 ...
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 ...
Ferroelectric Perovskite Superlattices By Pulsed Laser Ablation
(2010-03-18)
Fabrication of artificially structured superlattices, when controlled on a nanoscale level, can exhibit enhanced dielectric properties over a wide temperature range. Possible fabrication of new functional devices based on ...
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 ...
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 ...
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 ...