DOCTORAL THESES (Physics): Recent submissions

  • STUDY OF SUPERCONDUCTING PROPERTIES OF MgB2 AND Fe-CHALCOGENIDE SUPERCONDUCTORS 
    Sudesh (Dept. of Physics iit Roorkee, 2014-08)
    Ever since the discovery of superconductivity in Hg by Kamerlingh Onnes in 1911, it has been on the frontier of innovation in science and technology. Till 1970s the highest achievable superconducting transition temperature ...
  • SEMI-ANALYTICAL APPROACHES IN THE COULOMB BREAKUP OF LOOSELY BOUND NUCLEI 
    Shubhchintak (Dept. of Physics iit Roorkee, 2013-08)
    Coulomb breakup reactions have been an important tool in unraveling the structure of the exotic systems. This thesis concerns the application of the theory of elastic Coulomb breakup of a projectile in the field of a ...
  • STUDY OF ELASTIC AND INELASTIC PROCESSES IN ATOMIC SYSTEMS 
    Das, Tapasi (Dept. of Physics iit Roorkee, 2013-10)
    Maximum attention has focused on the studies of electron impact elastic and inelastic processes with atoms, ions as well as molecules in the field of atomic collisions physics. The specific interest in such electron ...
  • TOPICS IN STRING PHENOMENOLOGY 
    Dhuria, Mansi (Dept. of Physics iit Roorkee, 2014-01)
    The first part of the thesis is devoted to investigation of important phenomenological and particle-cosmology-related issues in the context of Type IIB string compactifications. After undertaking a brief review of (split) ...
  • ELECTRONIC STRUCTURE ABD MAGNETIC PROPERTIES OF CERTAIN STRONGLY CORRELATED LAYERED SYSTEMS 
    Dhariwal, Monika (Dept. of Physics iit Roorkee, 2013-11)
    Both theoreticians and experimentalists have always been curious about knowing the electronic behavior in solids. Usual band theory of solids [1] was the biggest achievement in solid state physics which could best explain ...
  • p-Si/n-Al doped ZnO based Plasmonic Solar Cell with Ag metallic islands 
    Shukla, Abhishek Amar (Department of Physics,IITR., 2016-05)
    Presently TCO(Transparent Conductive Oxides) are used widely in optical and electrical applications like OLED(organic light emitting diodes),Photovolatic devices and transparent thin films due to their many merits like ...
  • GROWTH AND CHARACTERIZATION OF OXIDE MATERIAL FOR NOVEL APPLICATIONS 
    Ambedkar, Anit Kumar (Department of Physics,IITR., 2016-05)
    Recently, the oxide semiconductor is very useful for electronic and microelectronic devices. ZnO is most popular oxide semiconductor for making electronic devices. ZnO is a wide band gap semiconductor with the value 3.37 ...
  • QUANTUM WELL SOLAR CELL 
    Sagotra, Arun kumar (Department of Physics,IITR., 2016-03)
    The quantum well solar cell (QWSC) is a p - i - n solar cell with quantum wells embedded in the intrinsic region. Previous work has shown that QWSCs have a greater open circuit voltage (Voc) than would be provided by a ...
  • DEPOSITION AND CHARACTERIZATION OF MICROSTRUCTURED SILICA LAYER ON GLASS FOR LIGHT EXTRACTION APPLICATION IN LED 
    Kumar, Braj Bhushan (Department of Physics,IITR., 2016-05)
    Light emitting diodes (LEDs) are of keen interest as their energy saving property is attracting several researchers because of enormous energy crisis we are facing. Organic light emitting diode (OLED) have attracted much ...
  • FABRICATION AND CHARACTERIZATION OF OXIDE HETEROSTRUCTURE 
    khuswaha, Ashok (Department of Physics,IITR., 2016-05)
    Solid oxide fuel cells (SOFCs) convert chemical energy directly into electrical energy with relatively high efficiency and low emission of pollutants. However the operating temperature of SOFCs is required to be reduced ...
  • GROWTH AND CHARACTERIZATION OF NANOSTRUCTURED THIN FILMS FOR SWITCHING APPLICATIONS 
    Mallick, Dibyaranjan (Department of Physics,IITR., 2016-05)
    Non-volatile memory technology plays a important role in the market of electronics products. Until now, Flash memory dominates the market of non-volatile memories, which is based on traditional floating gate concept. ...
  • RELIABILITY OF HIGH ELECTRON MOBILITY TRANSISTORS (HEMTs) 
    Gyanendra (Department of Physics,IITR., 2016-05)
    Concept of HEMT flashed over world in late seventies. Idea born in Fujitsu Lab of Japan and made the world known with HEMT characteristics .It was presented for high frequency application that could compete with conventional ...
  • Characterization of LaCl3:Ce detectors for gamma spectroscopy 
    Kalyani (Department of Physics,IITR., 2016-05)
    Cerium (Ce) doped LaCl3 and LaBr3 have been invented by Delft and Bern Universities and some other groups. Their commercial availability has been made by Saint-Gobain. This project aims to characterize LaCl3:Ce scintillator ...
  • NANOMATERIALS FOR BIO-IMAGING 
    Sharma, Manisha (Department of Physics,IITR., 2016-05)
    Nanomaterials are excellent example of application of quantum well effect in physics. Their wide variation in energy band gap and physical and chemical properties with respect to change in size from macro to nano(10-9 ...
  • GROWTH AND CHARACTERIZATION OF LOW DIMENSIONAL SEMICONDUCTOR NANOSTRUCTURES FOR DEVICE APPLICATIONS 
    Bhardwaj, Rashmi (Department of Physics,IITR., 2016-05)
    Metal oxide semiconductors.and.heterojunctions made from thin films of these semiconductors have vast range of properties and have high potential in making.electrical, optical and magnetic.devices such as light emitting ...
  • Hot electron based photovoltaic cells with Schottky barrier 
    Singh, Vibhuti Narain (Department of Physics,IITR., 2016-05)
    In recent years plasmonics has attracted many researchers. Plasmonics opened a new gate to the solar energy. Properties of metal semiconductor junction is found to be very convincing and promising in the field of solar ...
  • DESIGN OF LONG PERIOD WAVEGUIDE GRATING DEVICES USING NATURAL OPTIMIZATION ALGORITHMS 
    Semwal, Girish (PHYSICS IIT ROORKEE, 2015-11)
    The invention of LASER revolutionized new research in the area of optics and telecommunication. The LASER is a coherent light source which produces the monochromatic, high intensity and directional optical beam. Initially ...
  • QUARKONIUM SUPPRESSION: A PROBE TO THE QGP AT FINITE TEMPERATURE AND DENSITY 
    Sakhahari, Kakade Uttamkumar (PHYSICS IIT ROORKEE, 2016-03)
    Quantum chromodynamics (QCD) is a non-abelian gauge theory of strong interaction among quarks and gluons, which exhibits two remarkable features: the asymptotic freedom, where the interaction between quarks either at ...
  • STUDY OF SODIUM AND ATOMIC OXYGEN GREENLINE AIRGLOW EMISSION 
    Bag, Tikemani (PHYSICS IIT ROORKEE, 2016-06)
    The atmosphere is an important factor for the existence of living organisms on Earth. It absorbs all the harmful radiation from the Sun. The Earth’s atmosphere is basically classified into four distinct layers depending ...
  • MULTIBAND PHOTONIC INTEGRATED CIRCUITS USING PLASMONIC MIM WAVEGUIDE 
    Thirupathaiah, K. (PHYSICS IIT ROORKEE, 2015-08)
    Plasmonics is a rapidly evolving subfield of nanophotonics that deals with the interaction of light with surface plasmons, which are collective oscillations that occur at the interface between metal and insulator. Plasmonics ...