• Atomistic Simulation Studies of Alkali Ion Conducting Superionic Conductors 

  Pramanik, Krishnanjan (2020)

  Designing of all-solid-state-battery by replacing the currently used liquid/gel electrolytes with solid ones is the prospect of next generation energy storage devices. This advancement promises higher energy density, ...
• Equilibrium, Non-equilibrium and Topological Phases of Strongly Correlated Bosons 

  Mondal, Suman (2021)

  In this thesis, we study the equilibrium, non-equilibrium and topological properties of interacting bosons in periodic potentials. In this context, we systematically address the physics of interacting bosons in various ...
• Features of Vector Boson Dark Matter and Discovery Potential 

  Barman, Basabendu (2021)

  The discovery of the ‘Higgs’ boson, the last missing piece of the Standard Model (SM) of particle physics, at the Large Hadron Collider (LHC) in 2012 validates SM as the fundamental governing theory of strong, weak and ...
• Coherent generation and control of electro-magnetic fields in atomic systems 

  Mallick, Nawaz Sarif (2020)

  The theoretical work in this thesis deals with the coherent interaction of electro-magnetic (EM) fields with atoms. The coherent interaction induces atomic coherence among the coupled atomic energy states which lead to the ...
• Laser induced plasma studies on W, Mo and alloys of Cu in air via time and space resolved LIBS and application in single line calibration free -LIBS 

  Mal, Eshita (2019)

  Laser Induced Breakdown Spectroscopy (LIBS) is an optical emission based technique used for qualitative and quantitative analysis for any sample. In the present thesis, time and space resolved LIBS are employed to study ...
• Study of Doping & Functionalization of Graphene Quantum Dots for Sensing and Optoelectronic Applications 

  Das, Ruma (2020)

  The present thesis focuses on the optical sensing and optoelectronic applications of various types of doped graphene quantum dots (GQDs) and their heterostructure with plasmonic nanoparticles (Au NPs) and other semiconductors ...
• Investigation on Halide Perovskite Nanostructures and Thin Films for Optoelectronic and Solar Cell Applications 

  Ghosh, Joydip (2020)

  This PhD thesis focuses on the controlled fabrication of perovskite nanostructures and thin films for photodetection, solar cell and other optoelectronic applications. The complete thesis work is presented in eight chapters. ...
• Resolution enhancement in a scanning optical microscope using array detection 

  Buddha, Satya Siddhartha Goutam (2020)

  An optical microscope is an imaging tool that provides images of a specimen with finer details relative to the image provided by an unaided eye. Owing to the far field imaging capability the optical microscopes have become ...
• Radiative Analysis of Lepton-Proton Scattering via Low-energy Efective Field Theory 

  Talukdar, Pulak (2020)

  In this thesis we have presented a complete analysis of radiative correction to elastic lepton-protonscattering using efective feld theory (EFT) keeping in mind the ongoing Muon Scattering Experiment(MUSE) at PSI. The MUSE ...
• Structural and Optical Characterization of Pulsed LaserDeposited MoS2 and WS2 Layered Thin Films and Quantum Dots 

  Pradhan, Gobinda (2020)

  The aim of the thesis is to synthesize monolayer to multilayered MoS2 and WS2 thin films and quantum dots (QDs) by pulsed laser deposition and pulsed laser ablation in liquid and to use the as-synthesized thin films and ...
• Thermodynamic aspects and phase transition of black holes 

  Bhattacharya, Krishnakanta (2020)

  The theory of General Relativity (GR) is considered as “the most beautiful” theory ever proposed in the history of mankind. Initially, the existence of black hole was a mere prediction of this theory. Later, its existence ...
• Development of a Laser Scanning Confocal Microscope with Programmably Switchable Vector Beam Illumination 

  Kalita, Ranjan (2020)

  The laser scanning confocal microscope (LSCM) has become as a popular imaging tool for a wide range of investigations, particularly in biological and biomedical sciences, due to the ability of imaging thin slices of the ...
• Study of Magnetic and Dielectric Properties of Rare Earth Iron Garnets 

  Aakansha (2019)

  The current Ph.D. thesis presents the investigation and characterization of magnetic and dielectric properties of Y3Fe5O12 (YIG) and Gd3Fe5O12 (GIG) by substituting trivalent Sm and Bi at Y and Gd site, and Cr and Mn at ...
• Investigation of NiO reduction dynamics and properties of NiO-(Al/Ti/Mg) based nanocomposites 

  Padhan, Aneeta (2020)

  Nanoscale transition metal (TM)-metal oxide matrix composites are indispensable materials for a wide range of potential technological applications due to their tunable physical properties. TM nanoparticles embedded/dispersed ...
• Quantum Correlations in Cavity Optomechanical Systems 

  Chakraborty, Subhadeep (2020)

  Understanding the quantum nature of macroscopic systems is a topic of intense research for quite some time now. Numerous efforts have been made to know the classical-to-quantum boundary in various platforms. In fact, it ...
• Exploring the near field coupling and ultrafast switching in terahertz metamaterials 

  Rao, S Jagan Mohan (2019)

  During the last two decades, terahertz (THz) metamaterials (MMs) have emerged as one of the fascinating areas in photonics research because of their significance in developing devices for the THz gap. In this thesis work, ...
• Magnetic properties of NiCr2O4 and MnCr2O4 based spinel chromites 

  Barman, Junmoni (2017)

  In the present thesis work we have studied the magnetic properties of Fe and Al substituted NiCr2O4 and MnCr2O4 series. Ni(Cr1-xMx)2O4 and Mn(Cr1-xMx)2O4 (M = Fe and Al) samples were prepared in single phase form by using ...
• Density functional theory studies of Fe and Mn substituted CoCr2O4 

  Das, Debashish (2017)

  Spinel compound CoCr2O4 is found to be a promising multiferroic material as it exhibits switchable electric polarization under reversal of magnetic field. In a bid to enhance the functional properties of CoCr2O4 , recent ...
• Discontinuous percolation transition: Search for new models and scaling theory 

  Roy, Bappaditya (2017)

  Percolation has long served as a model for diverse phenomena. The percolation transition is known as one of the most robust continuous geometrical phase transitions. However, in the recent past, a series of new models with ...
• Deposition of La-Mn-O and Nd-Mn-O based thin films and study of their electrical transport and magnetic properties 

  Gopalrao, T. Rangandha (2017)

  In the present thesis, the structural, electrical and magnetic properties of Nd0.7Sr0.3MnO3 (NSMO) and Nd0.8Na0.2MnO3 (NNMO) films as well as bilayers of NSMO/NNMO and La0.7Sr0.3MnO3/LaFeO3 (LSMO/LFO) are presented. Single ...

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