Browsing Materials Research Centre (MRC) by Title
Now showing items 47-66 of 182
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Fabrication, micro-computed tomography based quantitative 3D microstructure evaluation of 3D printed bioceramic scaffolds and FE modelling of biomedical implant prototypes
In summary, this thesis provides the following outcomes: a) Formulation of novel powder-binder combination for 3D powder printing of resorbable bone-tissue scaffold. b) The effect of post-processing approach on the macro ... -
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 ... -
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 ... -
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 ... -
Functional Oxides for Oxygen Scavenging Applications
The aim of this experimental study is to develop oxide-based materials for oxygen enrichment/separation from air through pressure/temperature swing sorption. Production of commercial oxygen is conventionally achieved ... -
Graphene based materials : Mechanistic insights into corrosion inhibition and supercapacitance
In the contemporary scenario, protecting metals and alloys from deterioration through the coating is the main concern that extracts worldwide attention. Although existing coating processes and methods such as epoxy ... -
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, ... -
Ground State Studies Of Strongly Correlated 2D Systems
(2013-02-14)The quest for obtaining higher Tc superconductivity led to the discovery of cuprates about 20 years ago. Since then, they continue to puzzle the scientific community with their bizarre properties like non-BCS superconductivity, ... -
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 ... -
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 ... -
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 ... -
Higher-Order Assembly of Protein Protected Gold Nanoclusters using Supramolecular Host-Guest Chemistry: A 40% Absolute Fluorescence Quantum Yield
For the last few decades, cancer has been one of the major public health concerns, and the mortality rate has become significant worldwide. However, because of the blessing of science, the early detection of tumors and the ... -
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 ... -
III- Nitride Thin Films and Nanostructures on Si(111) by Plasma Assisted Molecular Beam Epitaxy
This thesis focuses on studying heterostructures of GaN, Silicon and AlN. GaN nanostructures are grown on bare Si (111) with and without a GaN buffer layer and GaN film was grown on an AlN layer. Apart from the material ... -
In-Situ Synthesis Of A12O3_ZrO2_SiCw Ceramic Matrix Composites By Carbothermal Reduction Of Natural Silicates
(Indian Institute of Science, 2006-06-14)This thesis outlines the work done on in-situ synthesis of Al2O3-ZrO2-SiCw ceramic composites and their property evaluation. The introductory chapter deals with the literature survey on ceramic matrix composites, properties ... -
InGaN Based 2D, 1D and 0D Heterostructures on Si(111) by Plasma Assisted Molecular Beam Epitaxy
The present research work focuses on the growth and characterization of group III-Nitride (InGaN) epitaxial layers as well as nanostructures on Si(111) substrates. The growth system used in this study was a plasma-assisted ... -
Insights into Nucleation, Growth and Shape Control for Designing Anisotropic Nanostructures and Heterostructures
The properties of nanomaterials significantly depend on the size and shape of the nanocrystals. Thus the size and shape control becomes an important and interesting aspect of nanocrystal synthesis. Wet chemical method of ... -
Integration of AlGaN with (111) Si Substrate by MOCVD
AlGaN is an important semiconductor material for electronic and optoelectronic applications. The change in composition of AlGaN (AlN to GaN) provides a range of bandgaps extending from 6.01 eV, far ultraviolet, to 3.4 ...