PHYSICS: Recent submissions

  • SOLAR ULTRAVIOLET IMAGING TELESCOPE DATA SIMULATOR 
    Unnikrishnan, Amrita (I I T ROORKEE, 2018-05)
    AdityaL1isIndianSpaceResearchOrganisation's(ISRO) rstspacemissionto study theSun.SolarUltravioletImagingTelescope(SUIT),isanimaginginstru- mentonboardAdityaL1whichwillobservetheSuninthe200-400nmbandwidth. As ...
  • SOLID IONIC CONDUCTOR FOR ADVANCED LITHIUM-ION BATTERY 
    Agrawal, Anant (I I T ROORKEE, 2018-05)
    Lithium ion batteries are the most promising energy storage system on the market today; however, safety issues associated with the use of flammable organic polymer-based electrolytes with poor electrochemical and chemical ...
  • DESIGN & INPLEMENTATION OF SOLAR PV MPPT DEVICE 
    Sharma, Gaurav (I I T ROORKEE, 2018-05)
    An innovative practice to effectively make use of the sunshine is with transportation powered by photovoltaic (PV) energy. Railroads, subways, buses, planes, cars and even roads can all be powered by solar, and solar transit ...
  • INTERFACE ENGINEERING OF HIGHLY EFFICIENT PEROVSKITE SOLAR CELL 
    Atif, Md (I I T ROORKEE, 2018-05)
    Energy has been the central building piece of each phase of human improvement.Various sources of energy has been explored since ages. In recent centuries huge steps have been taken in the form of exploitation of conventional ...
  • LOW COST AND HIGH EFFICIENCY SILICON NANOWIRE BASED SOLAR CELL 
    Verma, Ravi Kumar (I I T ROORKEE, 2018-05)
    Recently nanomaterials like Nanowire (NW), nanoparticle and quantum dot have shown to have enormous characteristics like lager surface to volume ration, quantum confinement effect that can be exploited by using them as an ...
  • HYBRID SILICON MICRORING OPTICAL SWITCH 
    Koranglekar, Saurabh (I I T ROORKEE, 2018-05)
    This thesis reports the effects of parametric variations of hybrid silicon microring resonator for optical switching applications. Microring Resonator optical switch is a Silicon on Insulator (SOI) photonics contrivance ...
  • GAMMA RADIATION DETECTION AND INVERSE PROBLEM MODELING 
    Ray, Shekhar (I I T ROORKEE, 2018-05)
    Following work has been done under this Thesis: MATLAB code is written for linear wave propagation inside a heterogeneous medium without considering scattering phenomenon. The goal is to investigate if including scattering ...
  • INTERFACING COMPONENTS FOR PHOTONIC INTEGRATED CIRCUITS 
    Singh, Shivani (I I T ROORKEE, 2018-05)
    This thesis reports the results of parametric variations of various components of photonic integrated circuit consisting of an Optical Fibre, Linear Diffraction Grating, Straight Taper and Single Mode Waveguide. The ...
  • PLASMONIC PROPERTIES OF LASER ABLATED METAL 1 NANO MATERIALS 
    Kumar, Ashish (IIT ROORKEE, 2013-06)
    This report represents the effective method to enhance surface Plasmon resonance (SPR) on Ag films. Ag films of different thickness are deposited by pulsed laser deposition technique. To enhance surface sensitivity surface ...
  • GAMMA RADIATION INDUCED EFFECTS IN METAL OXIDE THIN FILMS FOR RADIATION DOSIMETRY 
    Kumar, Pankaj (IIT ROORKEE, 2014-06)
    Studies on changes in current and optical band gap of thin films of metal oxides due to gamma irradiation have been gaining increasing attention, due to their extensive use in real-time gamma radiation dosimetry. This ...
  • STUDY OF BiFeO3 INCORPORATION IN STRUCTURAL, DIELECTRIC AND FERROELECTRIC PROPERTIES OF BaTiO3 CERAMICS 
    Kumar, Arvind (IIT ROORKEE, 2014-06)
    Perovskite BaTiO3 was prepared by the solid state reaction method with the materials BaCO3 and TiO2. The calcinations were carried out at 11500C for 4 hrs. To study the structural, dielectric and ferroelectric properties ...
  • INVESTIGATIONS ON FIBER GRATING SENSORS FOR STRUCTURAL HEALTH MONITORING 
    Singh, Shivam (IIT ROORKEE, 2014-06)
    In the last few years, fiber grating sensors made a slow but significant entrance in the field of sensors. Conventional sensors based on mechanical or electrical transducer suffer from their large size, weathering effect, ...
  • DEVELOPMENTOF PROTOTYPE OFMPPT BASED CHARGE CONTROLLER FOR E-RICKSHAWS 
    Kumar, Avinash (I I T ROORKEE, 2019-05)
    This project aims to develop a MPPT (Maximum Power Point Tracking) based charge controller for charging batteries of E-Rickshaws. PV array has non-linear I-V characteristic and output power depends on environmental ...
  • BLUE ENHANCED SUPERCONTINUUM GENERATION IN SPIRAL SILICA PHOTONIC CRYSTAL FIBER 
    Anjali (I I T ROORKEE, 2019-05)
    We present a design of a highly nonlinear silica spiral photonic crystal fiber and obtain the supercontinuum generation for a wider bandwidth (2300 nm) extending from 320 nm to 2620 nm at 40 dB below the spectral peak ...
  • STUDY OF THERMAL CONDUCTANCE IN TOPOLOGICAL JOSEPHSON JUNCTIONS APPLICATION AS THERMAL SENSOR 
    Kumar, Bhupendra (I I T ROORKEE, 2019-05)
    The present work deals with thermal transport in Josephson junction. In Josephson junction, heat current is phase dependent just like Josephson super current. Using topological insulators in Josephson junctions provide ...
  • ETHANOL SENSING APPLICATION OF ZINC OXIDE TETRAPOD (ZNO-T) NANOMATERIALS 
    Singh, Shailey (I I T ROORKEE, 2019-05)
    ZnO is an important n type semiconductor sensing material. It has been demonstrated that ZnO nanorods and nanowires exhibit many unique properties associated with their shape anisotropy and high thermal and chemical ...
  • SWITCHABLE PHOTODETECTOR USING PHASE CHANGE MATERIAL Ge2Sb2Te5 
    Kushwaha, Suyash (I I T ROORKEE, 2019-05)
    This thesis reports the possibility of development of a broader range photodetector which could efficiently work in multiple wavelength ranges from conventional communication band to near infrared band. This device is ...
  • LOW COST OPTICAL PRESSURE SENSOR USING FLEXIBLE PDMS GRATING 
    Verma, Sagar Kumar (I I T ROORKEE, 2019-06)
    Pressure is a fundamental physical quantity or parameter which is used in field of sensor applications. Pressure sensors are used for different perspective in various field of research and industry. It has great interest ...
  • CHARACTERIZATION OF BST BASED VARACTOR FOR PHASE SHIFTER APPLICATION 
    Yadava, Anil Kumar (IIT ROORKEE, 2013-06)
    The work presented here is on pure BST and Mg doped BST thin film. Fabrication of planer capacitor was done using sol-gel based spin coating technique on substrate of n-type Si (IOU). Uniformly composed and well-developed ...
  • MODELING AND SIMULATION OF DUAL-GATE OTFTs AND THEIR APPLICATIONS IN DIGITAL CIRCUIT DESIGN 
    Goswami, Vidhi (IIT ROORKEE, 2013-06)
    In this report, electrical behavior of dual gate and single gate organic thin film transistors (OTFTs) is investigated using Atlas 2-D numerical device simulation. Compared to the single gate (SG), dual gate (DG) organic ...