Materials Research Centre (MRC)
Recent Submissions
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Investigations into the sythesis, structural, dielectric and optical properties of multifunctional M2NaNb5O15 (M=Ba,Sr) nanocrystal composites
Transparent 2BaO–0.5 Na₂O–2.5 Nb₂O₅–4.5 B₂O₃ (BNNB) glass system was fabricated and characterized for their structural and various physical properties. These glasses on controlled heat treatment at appropriate temperatures ... -
Regionalization of arsenic release mechanics in the Bengal basin using fuzzy clustering approach
India is predominantly an agro-oriented country where water has always played a vital role. In the Ganges delta, which covers nearly one-third of India’s total area, surface water was the primary source for irrigation and ... -
Multifunctional transparent glass nano/ microcomposites
Borate-based glass nano/microcomposites comprising members of the Aurivillius family of ferroelectric oxides (Bi VO . , SrBi Nb O ) along with LiNbO have been successfully fabricated. The crystallite size of the active ... -
MOCVD, optical, and electrical properties of CuCrO2 : a novel transparent and p-type conducting oxide with delafossite structure
Deposition and Optoelectronic Properties of CuCrO Thin Films by MOCVD Abstract and Synopsis Introduction This thesis focuses on the deposition of phase-pure thin films of the delafossite-type oxide CuCrO using Metal-Organic ... -
Multifunctional glass nanocomposites comprising aurivillius family of layered ferroelectric oxides
Structural, Dielectric, and Optical Properties of Lithium Tetraborate and Lithium Borate-Bismuth Tungstate Glass Nanocomposites Abstract and Synopsis Introduction Lithium tetraborate (LBO) glasses were fabricated ... -
Evolution and characterization of ferroelectric LiTaO3 phase in LiBO2-Ta2O5 glass system
Electrical Transport and Dielectric Properties of LiBO -Ta O Glasses Abstract and Synopsis LiBO glass was characterized for its electrical transport properties. Activation energies were calculated based on different ... -
Current-limiting and voltage-limiting properties of ceramic based on n-BaTiO3 solid solutions
Abstract Not Available -
Low-pressure mocvd of oxide dielectrics : a study of their growth, microstructure, and properties
Abstract not available -
Pulsed Laser Ablation Deposited (Pb, La) Tio3 Thin films for Pyroelectric applications
The present study was focused on the growth of lanthanum-modified lead titanate (PLT) thin films by pulsed laser ablation technique and characterization of the thin films in order to examine their suitability for pyroelectric ... -
Nonlinear conductivity and magnetoresistance in perovskite and spinel manganites
The thesis describes the nonlinear current-voltage characteristics in perovskite manganites and its grain boundary origin. Chapter 1 gives an introduction to the various electronic and magnetic properties exhibited by ... -
Perovskite phase formation in the relaxor ferroelectric system Pb(Fe1/2Nb1/2)O3-Pb(Zn1/3Nb2/3)O3 - BaTiO3 : their dielectric and thermal expansion studies
In the binary system of PFN-PZN, prepared by different methods, the samples prepared by the B-site oxides mixing route showed high dielectric constant (K_max and K_loss), but also marginally high dielectric loss compared ... -
Studies on substituted LnBa2Cu3O7-d (Ln=Y or Rare-Earth) : synthesis, structure, microstructure, and properties of bulk materials and thin films
The most commonly employed solid-state reaction method for the synthesis of YBa?Cu?O??? ceramic has been improved upon. The shift in the incongruent melting of YBa?Cu?O??? to a higher temperature in an oxygen atmosphere ... -
Molecular design strategy for high EQE and low efficiency roll-off TADF organic light emitting diodes
Purely organic thermally activated delayed fluorescence (TADF) emitters are cost-effective alternatives to the rare-earth-metal-based phosphorescent emitters, offering high exciton utilization for advanced optoelectronic ... -
Atomic-Scale Insights into the Conversion Chemistry of Metal Chalcogenides using Advanced Electron Microscopy for Structure-Property Correlation
Conversion chemistry is a pivotal technique for transforming pre-synthesized nanocrystals into new materials with precise control over their properties. The investigation of phase transformations and conversions in 2D metal ... -
Exploration of Oxides and Polyanionic Cathodes for Zn-ion and Zn-air Batteries
Lithium-ion batteries (LIBs) rule the modern consumer electronics and electric vehicle sectors. However, their high production costs, safety risks from flammable electrolytes, and paucity of lithium resources have spurred ... -
Transition metal nanoparticles embedded carbonaceous framework for electrocatalysis and zinc air batteries
As the world’s energy demand grows and environmental challenges mount, there is a growing push to find sustainable energy sources and efficient solutions for energy conversion, such as water splitting, fuel cells, ... -
Designing Functional Supramolecular Assemblies for Enzyme Activity Regulation
Enzymes are essential biocatalysts that perform chemical and biochemical reactions in living organisms. Dysregulation in enzyme activity is responsible for several metabolic disorders and lethal diseases such as Alzheimer’s ... -
Tuning Properties of Heterogeneous Catalysts using First Principles and Machine Learning
The surface-to-volume ratio plays a crucial role in determining the catalytic performance of heterogeneous catalysts by influencing surface energy, reactivity, and stability. This thesis systematically explores how tuning ... -
Engineering Chemical Environments for Efficient Thermoelectric and Heat Transport Materials using First-principles Calculation
To optimize the management of heat generated in various industrial processes, it is imperative to utilize materials that can proficiently transport heat energy and convert it into valuable electrical power. Conversion of ...
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