Materials Research Centre (MRC)
Recent Submissions
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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 ... -
3D printing for biomedical applications: Hybrid nanoparticle reinforced hydrogels for soft tissue regeneration and bone flaps for cranial reconstruction
This dissertation focuses on the quantitative insights into process v science behind the development of tissue-engineered grafts using additive manufacturing (AM) technology. Additive manufacturing, commonly referred to ... -
Understanding The Science of Biocompatibility of Dental Implants: Biomechanical, Pre-Clinical and Clinical Validation of New Design Concepts
Dental implants, a prominent field of research, have evolved from prehistoric times to the present. Despite this long history, many aspects still require improvement, particularly in understanding primary stability and ... -
Designing Metallo-Supramolecular Assemblies for Biomimetic Catalysis and Environmental Sustainability
Molecular self-assembly is ubiquitous in nature and plays a vital role in the emergence and maintenance of life. For example, DNA strands self-assemble into a double helix that stores genetic information. Likewise, ... -
Alluaudite Battery Chemistry: Design and Exploration
Being one of the most promising technologies in human history, lithium-ion batteries (LIBs) have empowered our lives since their commercialization in 1991 by SONY®. However, all these applications need massive production ... -
Synergistic Exploration of Oxide Cathode Materials for Potassium-ion Batteries
Since their inception by Sony® in 1991, Li-ion batteries have become dominant in various energy storage applications. However, the ever-growing energy demand coupled with sparsely distributed lithium resources provide ... -
Phosphate-based Mixed Polyanionic Positive Insertion Materials for Energy Storage Applications
Mixed polyanionic insertion materials offer a rich treasure house to develop robust cathode insertion materials having a desirable combination of chemical and thermal stability, as well as tuneable redox voltage and ... -
Insights into Structure-Property Relationships via First Principles and Machine Learning Approaches
The increasing concerns about a sustainable future demand accelerated design and development of new materials with enhanced properties. The process of material development immensely depends on the structure-to-property ...
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