DOCTORAL THESES (Physics): Recent submissions

  • MORPHOLOGY OPTIMIZATION AND PHOTOPHYSICAL STUDY OF PEROVSKITE SOLAR CELLS 
    Raghav, Anubhav (I.I.T Roorkee, 2018)
    Fossil fuels are limited, and we can not depend on them forever. The inevitable need of energy for daily life has triggered the scientific community to work on renewable energy. The solar energy as an important class of ...
  • GAMMA SPECTROSCOPY OF TRANS-LEAD NUCLEI 
    Pragati (I.I.T Roorkee, 2018)
    Since its discovery by Rutherford et al. in 1911, the atomic nucleus has been posing many challenges to understand its structure. Continuous theoretical and experimental efforts are still underway in the field of fundamental ...
  • STUDY OF COHERENCE EFFECTS IN MULTILEVEL ATOMIC SYSTEMS 
    Yadav, Kavita (I.I.T Roorkee, 2018)
    Electromagnetically induced transparency (EIT) causes the cancellation of the absorption of a weak probe field in the presence of a strong control field for a medium composed of a multilevel system. Therefore, the optical ...
  • LIGHT-HEAVY-ION REACTION DYNAMICS IN MEDIUM MASS NUCLEI: STUDY OF MEDICAL ISOTOPE 
    Kumar, Deepak (I.I.T Roorkee, 2018)
    The adventofupgradedaccelerators,state-of-the-artdetectors,andrelatedtechnolog- ical advancementshaveenabledusexploringadeeperinsightofthewideanddiverse spectrumofnuclearreactionprocessesinthelightandheavy-ioninducedre ...
  • ASPECTS IN BREAK-UP REACTIONS 
    Neelam (I.I.T Roorkee, 2017)
    Break-up reactions offer many opportunities to study the structure and reactions of exotic nuclei. In this thesis we use the theoretical formalism of elastic Coulomb break-up reactions to study medium mass exotic nuclei ...
  • STUDIES IN NUCLEAR STRUCTURE AND BIG BANG NUCLEOSYNTHESIS USING PROTON BEAMS 
    Dhibar, Monalisha (I.I.T Roorkee, 2017)
    Proton inducedcrosssectionmeasurementshavetheirownimportanceinthefield of experimentalnuclearphysics.Capturereactionoflowenergyprotonsondiffer- enttargetsisoneofthemajortoolsforstudiesinnuclearastrophysics.Inelastic scattering ...
  • PLASMONIC PROPERTIES OF CLOSELY SPACED METALLIC NANOISLANDS THIN FILMS 
    Arya, Mahima (I.I.T Roorkee, 2017)
    Interaction of light with a metal leads to the oscillations of the free electrons. Quantization of the collective oscillations of electrons are called Plasmons. Different phenomenon related to plasmons is popularly known ...
  • APPLICATIONS OF TOP-DOWN HOLOGRAPHIC THERMAL QCD AT FINITE COUPLING 
    Sil, Karunava (I.I.T Roorkee, 2017)
    Large-N thermal QCD laboratories like strongly coupled QGP (sQGP) require not only a large t’Hooft coupling but also a finite gauge coupling [1]. Unlike almost all top-down holographic models in the literature, holographic ...
  • THEORETICAL INVESTIGATIONS IN THE BREAKUP OF EXOTIC NUCLEI 
    Singh, Gagandeep (I.I.T Roorkee, 2017)
    “Imaginefourblindmeninaroomwithanelephant.Wheneachofthemis askedto describetheelephant,theytrytodosowiththehelpoftheirsense oftouch.Butas eachofthemlayshishandsonadifferentbodypartofthehugemammal,eachman hasadifferent ...
  • FIRST PRINCIPLES STUDY OF TRANSPORT AND MAGNETIC PROPERTIES IN CERTAIN CORRELATED MATERIALS 
    Ray, Avijeet (I.I.T Roorkee, 2017)
    Strongly correlatedelectronicsystemsshowawiderangeofveryinteresting and complexphenomenaandthereforetheyhavedrawnalotofattentionamong the researchersforlastfewdecades.Thesalientfeatureofthesematerialsisthe existence ...
  • STUDIES ON MULTI-MODE ERBIUM DOPED FIBER AMPLIFIER 
    Gaur, Ankita (2017)
    Statistics of transmission capacity through optical fiber with time suggests that there is a drastic increase in capacity demand due to various applications of optical communication such as video transmission (YouTube, ...
  • Activity measurement using scintillation detector 
    Gourishetty, Anil Kumar (Department of Physics,IITR., 2016-05)
    The aim of this project is to calculate the activity of different radioactive sources such as Cs- 137, Co-60, Na-22 and Co-57 using different scintillation detectors, namely, NaI(Tl), LaBr3(Ce) and LaCl3(Ce). The activity ...
  • STRUCTURAL DIELECTRIC AND ELECTRICAL PROPERTIES OF LEAD FREE CERAMICS 
    Rani, Jyoti (Dept. of Physics iit Roorkee, 2014-03)
    Ferroelectric materials have importance in the electronic industry because of their wide applications like in sensors, transducers, ferroelectric memories, high dielectric constant capacitors and ferroelectric tunnel ...
  • PROTON EMISSION FROM TWO QUASIPARTICLE STATES IN DEFORMED ODD-ODD NUCLEI 
    Patial, Monika (Dept. of Physics iit Roorkee, 2013-09)
    A fundamental theory for understanding the structure and decay of nuclei remains as elusive as the exact form of the nuclear force. The theoretical nuclear physics is envisaged through several models constructed mostly ...
  • DESIGN AND STUDY OF RECTANGULAR OPTICAL WAVEGUIDE COMPONENTS AND DEVICES 
    Ashok, Nandam (Dept. of Physics iit Roorkee, 2013-10)
    The requirement for high bit rate transmission is increasing day by day due to the demand of high-bandwidth applications, such as video conference, internet, e-commerce, etc. To meet this explosive global demand wavelength ...
  • APPLICATION SPECIFIC MULTILAYER OPTICAL STRUCTURES 
    Babita (Dept. of Physics iit Roorkee, 2014-07)
    The contemporary physics revolution based on discovery of electromagnetic waves has led science and technology into new era. Development of modern technologies like wireless communication systems, high energy particle ...
  • LOCALIZED SURFACE PLASMON MEDIATED PROPERTIES OF Ag AND Ag/ZnO MULTILAYER THIN FILMS 
    Venugopal, N. (Dept. of Physics iit Roorkee, 2014-11)
    Most commonly used material for transparent conducting oxide as transparent electrodes in optoelectronic industry is indium tin oxide (ITO) due to its low resistivity (~1x10-4 Ω cm), high optical transmittance and ...
  • SEASONAL VARIATION OF SOME IMPORTANT ATOMIC OXYGEN DAYGLOW EMISSIONS 
    Thirupathaiah, Pothuraju (Dept. of Physics iit Roorkee, 2014-06)
    The atmosphere is most important part that makes the Earth livable. It blocks some of the Sun’s harmful radiation from reaching the Earth. It makes the Earth a comfortable temperature by trapping the heat from the Sun. ...
  • MAGNETIC AND ORBITAL ORDER IN FRUSTRATED SPINEL SYSTEMS 
    Ramandeep (Dept. of Physics iit Roorkee, 2014-05)
    Strongly correlated electronic systems exhibit a wide range of very interesting and complex phenomena and therefore have in recent years drawn a lot of attention of the researchers in this field. The salient feature of ...
  • GIANT RESONANCES BUILT ON EXCITED STATES OF NUCLEI 
    Keechiprath, Rhine Kumar Arayakkandi (Dept. of Physics iit Roorkee, 2015-07)
    The theoretical understanding of nuclear many-body problem is built upon the models with adequate phenomenological inputs. Such models representing the nature of ever-intriguing nuclear force can be robust if they render ...