Physics: Recent submissions

  • Effect of sintering on magnetic properties of Ni0.55Zn0.45Fe2O4 
    Kothawale, M.M.; Tangsali, R.B.; Naik, G.K.; Budkuley, J.S. (Journal of Superconductivity and Novel Magnetism. 26(11); 2013; 3293-3298.)
    Bulk Ni0.55Zn0.45Fe2O4 samples were obtained by sintering their nanopowder at 1100 degrees C, 1200 degrees C, and 1300 degrees C. Improvement in crystallinity on sintering was identified from increase in intensity of the ...
  • Infrared properties of 'lead free' thick film NTC thermo-resistive sensor based on the mixture of spinel material and RuO2 
    Jagtap, S.; Rane, S.; Gosavic, S.; Mulik, U.; Amalnerkar, D. (Sensors and Actuators A-Physical. 197; 2013; 166-170.)
    Thermistors fit into the category of infra-red detectors commonly called thermal detectors which operate through the heating effects of the incident radiation. This thermal detector converts the infra-red radiation into ...
  • Evaluation of ZnO nanoparticles and study of ZnO-TiO2 composites for lead free humidity sensors 
    Jagtap, S.; Priolkar, K.R. (Sensors and Actuators B-Chemical. 183; 2013; 411-418.)
    This paper deals with synthesis of ZnO nanoparticles through two different baths: Ammonium zincate bath and sodium zincate bath. Synthesized ZnO nanoparticles were characterized by means of TG/DTA, FTIR, UV-vis, XRD, and ...
  • Effects of pressure and temperature on pore structure of ceramic synthesized from rice husk: A small angle neutron scattering investigation 
    Dessai, R.R.; Desa, J.A.E.; Sen, D.; Mazumder, S. (Journal of Alloys and Compounds. 564; 2013; 125-129.)
    Ceramic powder has been synthesized from rice husk as the source of silica. In order to probe the evolution of its hierarchical mesoscopic and microscopic porous structure, the ceramic powder was compacted at different ...
  • Diffusion of water in bentonite clay 
    Dessai, R.R.; Sharma, V.K.; Prabhudesai, S.A.; Mitra, S.; Desa, J.A.E.; Mukhopadhyay, R. (Journal of The Physical Society of Japan. 82; 2013; SA008-.)
    Diffusion of water confined in sodium bentonite clay is studied using the quasi-elastic neutron scattering (QENS) technique. Hydration of bentonite clay is characterized by several methods including X-ray diffraction and ...
  • Red persistent luminescence in MgGa(2)O(4):Cr3+; a new phosphor for in vivo imaging 
    Basavaraju, N.; Sharma, S.; Bessiere, A.; Viana, B.; Gourier, D.; Priolkar, K.R. (Journal of Physics D-Applied Physics. 46(37); 2013; Article ID: 375401.)
    A new red-emitting long-lasting phosphorescence (LLP) material useful as biomarker for small animal in vivo imaging is presented. X-ray irradiated MgGa(2)O(4):Cr3+ is shown to be a suitable persistent phosphor emitting in ...
  • Structural and magnetic phase transitions in MnTe-MnSe solid solutions 
    Ingle, K.E.; D'Sa, J.B.C.E.; Das, A.; Priolkar, K.R. (Journal of Magnetism and Magnetic Materials. 347; 2013; 68-71.)
    Neutron diffraction studies as a function of temperature on solid solutions of MnSe and MnTe in the Se rich region are presented. Interestingly as Te is doped in MnSe, the structural transformation to NiAs phase diminishes, ...
  • Hard-core bosons in a zig-zag optical superlattice 
    Dhar, A.; Mishra, T.; Pai, R.V.; Mukerjee, S.; Das, B.P. (Physical Review A. 88(5); 2013; Article No. 053625 .)
    We study a system of hard-core bosons at half-filling in a one-dimensional optical superlattice. The bosons are allowed to hop to nearest- and next-nearest-neighbor sites. We obtain the ground-state phase diagram as a ...
  • Chiral Mott insulator with staggered loop currents in the fully frustrated Bose-Hubbard model 
    Dhar, A.; Mishra, T.; Maji, M.; Pai, R.V.; Mukerjee, S.; Paramekanti, A. (Physical Review B. 87(17); 2013; Article no. 174501.)
    Motivated by experiments on Josephson junction arrays in a magnetic field and ultracold interacting atoms in an optical lattice in the presence of a "synthetic" orbital magnetic field, we study the "fully frustrated" ...
  • Upconversion luminescence of cerium doped CoWO(4) nanomaterials 
    UmaSubramanian; Naik, S.J.; Tangsali, R.B.; Salker, A.V. (Journal of Luminescence. 134; 2013; 464-468.)
    In this paper we report the bluish green upconversion intrinsic photoluminescence (PL) observed at room temperature (RT) 300 K for the nanorange (27-50 nm) Ce3+ doped and undoped CoWO(4) powder samples sintered in air at ...

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