Browsing Division of Chemical Sciences by Title
Now showing items 493-512 of 1480
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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. ... -
Investigation of structural phase transitions in inorganic ferroic systems
The thesis entitled "Investigation of Structural Phase Transitions in Inorganic Ferroic Systems" consists of six chapters. Structural changes exhibited by ferroelectric and ferroelastic materials are studied as a function ... -
Investigation Of Transition Metal Oxides Of Perovskite, Pyrochlore And Rutile Structures Towards Realization Of Novel Materials
(2011-01-21)Materials chemistry is essentially concerned with the design/synthesis of new solids endowed with functional properties that could be of relevance to today’s materials technology. Among the large variety of solid materials ... -
Investigation of Transition Metal Oxides towards Development of Functional Materials for Visible Light Absorption/Emission and Reversible Redox Lithium Deinsertion/Insertion
(2018-01-04)Materials chemistry basically deals with rational design and synthesis of new solids exhibiting various functional properties. A sound knowledge of crystal structures and chemical bonding is needed to understand the ... -
investigation of vilsmeier- haack reaction on homoallyic
The thesis entitled "Investigation of Vilsmeier-Haack Reaction on Homoallylic, Allylic and Benzylic Alcohols" consists of seven chapters. Chapter 1 contains an account of the investigation of Vilsmeier reaction on the ... -
Investigation of Weak Molecular Interactions by Multinuclear NMR Spectroscopic Techniques and Theoretical Computations
The work reported in this thesis contains extensive studies carried out to investigate the weak molecular interactions in small organic molecules by utility of multinuclear and multidimensional NMR spectroscopic techniques ... -
Investigation On Ag And ZnO Based Nanohybrids As Bactericides For The Purification Of Water And Elucidation Of Possible Mechanisms For Their Bio-activity
(2015-12-02)Chapter I: This chapter briefly gives an introduction about microorganisms, their varieties, growth, reproduction etc. In particular, about bacterial function. A sincere attempt is made to review this briefly, including ... -
Investigation on AxMn3O7 Class of Layered Oxides as Versatile Battery Cathodes: Structure and Electrochemistry
Rechargeable battery technologies have been the spotlight of global scientific research in the quest to address steadily growing energy demand. Currently, Li-ion batteries have unanimously occupied consumer electronic ... -
Investigation on intramolecular oxidation of oxydiphenols to spirodienones
The thesis entitled “Investigations on Intramolecular Oxidative Coupling: Oxidation of Oxydiphenols to Spirodienones and Their Photoisomerizations and Novel Reactions of 1?Bromomethyl?2?naphthol?tetrahydropyranyl Ether” ... -
Investigations in alycyclic chemistry : synthetic and stereochemical investigations in bicyclo (2.2.1) heptane and cyclopentane systems
The thesis entitled "Investigations in Alicyclic Chemistry: Synthetic and Stereochemical Investigations in Bicyclo[2.2.1]heptane and Cyclopentane Systems" is divided into three Parts. Part I is divided into three Sections. In ... -
Investigations in stereochemistry and synthetic chemistry
Part I Cycloaddition of acrylates (methyl acrylate and methyl methacrylate) to an unsymmetrically substituted cyclopentadienone of type 1a yields the regioisomeric products 2 and 3; the disubstituted product 4 is obtained ... -
Investigations in terpenes : studies in the stereochemistry of polysubstituted cyclohexane derivatives
This thesis, entitled “Investigations in Terpenes: Studies in the Stereochemistry of Polysubstituted Cyclohexane Derivatives,” is divided into three Parts. Part I Part I is divided into three chapters. Chapter I gives a ... -
Investigations Into The Bulk Single Crystals, Nano Crystal Composites And Thin Films Of Ferroelectric Materials For Pyroelectric Sensor Applications
(2011-02-02)In this thesis, the results pertaining to various investigations carried out on Triglycine sulphate (TGS) single crystals, polyvinylidene fluoride (PVDF) films, lithium tantalate (LT)/PVDF nanocomposites and LT thin films ... -
Investigations into the Microstructure Dependent Dielectric, Piezoelectric, Ferroelectric and Non-linear Optical Properties of Sr2Bi4Ti5O18 Ceramics
(2018-03-14)Ferroelectric materials are very promising for a variety of applications such as high-permittivity capacitors, ferroelectric memories, pyroelctric sensors, piezoelectric and electrostrictive transducers and electro-optic ... -
Investigations Into The Microstructure-Property Correlation In Doped And Undoped Giant Dielectric Constant Material CaCu3Ti4O12
(2010-05-24)High dielectric constant materials are of technological importance as they lead to the miniaturization of the electronic devices. In this context, the observation of anomalously high dielectric constant (>104) in the ... -
Investigations Into The Structural And Dielectric Properties Of Nanocrystallites Of CaCu3Ti4O12 And The Composites Based On Polymers And Glasses
(2013-09-10)Ceramics and polymer-ceramic composites associated with high dielectric constants are of both scientific and industrial interest as these could be used in devices such as capacitors, resonators and filters. High dielectric ... -
Investigations into the Structural and Physical Properties of Li2O-M2O-2B2O3 (M=Li, Na & K), BaO-TiO2-B2O3 and 2Bi2O3-B2O3 Glass Systems
(2018-04-06)Borate glasses and glass-nano/microcrystal composite fabrication and investigations into their physical properties, have been interesting from their multifunctionalities view point. Certain borate structural units possess ... -
Investigations Into The Synthesis, Structural And Dielectric Properties Concerning The Relaxor Behavior Of n=2 Members Of The Aurivillius Family Of Oxides
(2010-05-21)Relaxor ferroelectrics have been a subject of intense research owing to their interesting physical properties such as high dielectric constant and giant electro-striction. Unlike the conventional lead based relaxors, the ...