Physics: Recent submissions

  • Measurement of dielectric constant of waxes at different temperatures using split ring resonator structure 
    Chakyar, Sreedevi P; Shanto, TA; Aathira, Muralil; K, Sikha Simon; Paul, Nees; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc., 2016-12)
    Dielectric constant variation with temperature for different wax sampies is analysed with the help of split ring resonators (SRRs). The method employs a simple extraction procedure to obtain the unknown permittivity values ...
  • Shock Propagation Following an Intense Explosion: Comparison Between Hydrodynamics and Simulations 
    Joy, Jilmy P; Pathak, Sudhir N; Rajesh, R (Springer, 2021-02-05)
    The solution for the radial distribution of pressure, density, temperature and flow velocity fields in a blast wave propagating through a medium at rest, following an intense explosion, starting from hydrodynamic equations, ...
  • Microwave absorption properties of flexible zinc oxide sheet 
    Paul, Nees; Jimmy, Janet; Chakyar, Sreedevi P; Simon, Sikha K; Kizhakooden, Joe; Bindu, C; Sebastian, Anju; Umadevi, KS; Jose, Jovia; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    This paper presents the fabrication and microwave absorption properties of low-cost flexible light-weight zinc oxide (ZnO) sheet. The elastomers, films and foams used as microwave absorbers are made of lossy materials ...
  • Scattering from artificial plasma cylinder using nonstandard FDTD 
    Jose, Jovia; Simo, Sikha K; Sebastian, Anju; Chakyar, Sreedevi P; Kizhakooden, Joe; Paul, Nees; Bindu, C; Umadevi, KS; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    This paper implements Nonstandard Finite Difference Time Domain (NS-FDTD) method to analyses the scattering effect of electromagnetic wave by an artificial plasma cylinder. This NS-FDTD which requires less iteration time ...
  • Enhancing the resolution in imaging using folded metamaterial split ring resonator structure at microwave frequencies 
    Bindu, C; Chakyar, Sreedevi P; Sebastian, Anju; Simon, Sikha K; Jose, Jovia; Paul, Nees; Umadevi, KS; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    A novel and better resolution topology for reducing the sensing area of conventional Split Ring Resonator (SRR) metamaterial structure is proposed. The conventional planar SRR structure is fabricated on a thin flexible ...
  • Broadside coupled split ring resonator based multiband monopole patch antenna for wireless communication applications 
    Kizhakooden, Joe; Jose, Jovia; Paul, Nees; Chakyar, Sreedevi P; Sebastian, Anju; Simon, Sikha K; Umadevi, KS; Bindu, C; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    The present work reports the development of a multiband monopole patch antenna by utilizing Broadside Coupled Split Ring Resonator (BCSRR) units. This antenna makes use of the resonant property of metamaterial BCSRR units ...
  • Non - destructive method for thickness measurement of dielectric films using metamaterial resonator 
    Sebastian, Anju; Davis, Denet; Simon, Sikha K; Chakyar, Sreedevi P; Jose, Jovia; Kizhakooden, Joe; Paul, Nees; Bindu, C; Joseph, VP; Andrews, Jolly (American Institute of Physics Inc., 2019-10-29)
    This paper describes an efficient method for the precise measurement of thickness of dielectric films using metamaterial Broadside Coupled Split Ring Resonator (BCSRR). The experimental arrangement is based on the frequency ...
  • Metamaterial Split Ring Resonators made of Polyaniline - polytetrafluoroethylene at Microwave Frequencies 
    Paul, Nees; Kizhakooden, Joe; Jose, Jovia; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc., 2019)
    We present the observance of magnetic resonance for the first time in Split Ring Resonators (SRRs) made of polyaniline - based conducting polymer and verify our experimental result through simulation. The magnetic resonance ...
  • Thin Film Metamaterial Split Ring Resonators at Microwave Frequencies 
    Paul, Nees; Cherala, Bindu; Andrews, Jolly; Joseph, VP; Simon, Sikha K. (Institute of Electrical and Electronics Engineers Inc., 2019)
    In this paper we present a metamaterial Split Ring Resonator (SRR) made of thin films of nanometer thickness working in microwave frequencies. Since the thickness of nano-film used for fabricating metamaterial structures ...
  • Frequency Tunable Monopole Patch Antenna Using Broadside Coupled Split Ring Resonator for Wireless Communication Applications 
    Joe, K; Jovia, J; Nees, P; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc., 2019)
    This paper presents metamaterial based monopole patch antenna capable of tuning the radiating frequency over a wide bandwidth. The proposed novel antenna structure makes use of the metamaterial properties of Broadside ...
  • Nonstandard FDTD Realization of Radiation Behaviour of Epsilon Negative Metamaterial Corner Reflector Antenna 
    Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc, 2019)
    The radiation behaviour of a corner reflector antenna designed using epsilon negative (ENG) artificial wire medium is realized using nonstandard Finite Difference Time Domain (NS-FDTD) method and the results are compared ...
  • Multipodal formation of Tio2 nanotubes using anodization 
    Naduvath, Johns; Bhargava, Parag; Mallick, Sudhanshu (American Institute of Physics Inc., 2019-03-22)
    The titanium dioxide nanotube arrays with large pore size and multipodal nature have many applications including solar cells applications, three terminal devices, drug delivery and other light harvesting applications. A ...
  • Spectroscopic investigations on Se/RE doped sol gel derived silica matrices 
    Paul, Tessy; Anupama, K; Jibin, PO; Ann Mary, KA (Elsevier, 2020)
    Selenium and rare earth ions co-doped inorganic luminescence silica matrices are synthesized through sol gel route. The incorporation of cubic Se quantum dots within the porous silica frame is confirmed from TEM analysis. ...
  • Interaction of a Sine Wave with an Artificial Negative Permittivity Medium Using Nonstandard FDTD 
    Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Sebastian, Anju; Chakyar, Sreedevi P; Cherala, Bindu; Andrews, Jolly; Joseph, VP; Paul, Nees (Electromagnetics Academy, 2019-01)
    This paper presents the realization of Nonstandard Finite Difference Time Domain (NS-FDTD) analysis having high accuracy and low computational cost to a negative permittivity metamaterial wire medium for the first time. A ...
  • Thermo-optic nonlinearity of the laser dye LDS 867 under low power CW laser excitation 
    A, Ann Mary K; Mary, EJ Sonia; Vidyadharan, Viji; Philip, Reji; V, Unnikrishnan N (Institute of Physics Publishing, 2015-02)
    Thermally induced optical nonlinearity of the laser dye LDS 867 is studied in ethanol solution using the self phase modulation and closed aperture z-scan techniques, employing a continuous wave low power He-Ne laser beam ...
  • Metamaterial inspired featherlight artificial plasma horn antenna for astronomical and communication applications 
    Kizhakooden, Joe; Jose, Jovia; Paul, Nees; Simon, Sikha K; Chakyar, Sreedevi P; Andrews, Jolly; Joseph, VP (Wiley Online Library, 2018-12-09)
    In this article, we introduce a novel type of horn antenna constructed using artificial plasma sheets. This metamaterial inspired negative permittivity antenna fabricated using thin metallic wires in a specialized manner ...
  • Humidity Sensitive Flexible Microwave Absorbing Sheet Using Polyaniline–Polytetrafluoroethylene Composite 
    Paul, Nees; Chakyar, Sreedevi P; Umadevi, KS; Sikha, Simon K; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP (Springer, 2018-06-22)
    Pelletized or powdered polyaniline composite, a potential candidate for microwave absorbers, was synthesized in the sheet form for the first time, and its absorption characteristics along with structural, electrical and ...
  • Frequency-dependent radiation properties of negative permittivity metamaterial reflector antenna 
    Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Sebastian, Anju; Chakyar, Sreedevi P; Paul, Nees; C, Bindu; Andrews, Jolly; Joseph, V P (IOP PUBLISHING LTD, 2019-08-07)
    This paper reports a novel type of microwave reflector antenna that uses the frequency-dependent properties of an epsilon negative (ENG) metamaterial medium. The frequency-dependent characteristics of this artificial plasma ...
  • Lead free, air stable perovskite derivative Cs2SnI6 as HTM in DSSCs employing TiO2 nanotubes as photoanode 
    Peedikakkandy, Lekha; Naduvath, Johns; Mallick, Sudhanshu; Bhargava, Parag (ELSEVIER, 2018-12)
    Cs2SnI6 is an air-stable and non-toxic perovskite variant photovoltaic material which exhibits p-type conductivity under doped conditions. In this work, we report the synthesis and stability studies of Cs2SnI6 towards its ...
  • A simple method to fabricate metal doped TiO2 nanotubes 
    K, Aijo John; Naduvath, Johns; Remillard, Stephen K; Shaji, Sadasivan; DeYoung, Paul A; Kellner, Zachary T; Mallick, Sudhanshu; Thankamoniamma, Manju; Okram, Gunadhor S; Philip, Rachel Reena (ELSEVIER, 2019-07-01)
    A simple electrochemical method for effective doping of TiO2 nanotubes with metals is presented here. The doping is done in a two-stage cost effective process and is found to result in uniform doping concentration, without ...

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