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  1. No Access

    Article

    Magnetic Phase Transitions in Cobalt Chromite Nanoparticles

    Cobalt chromite (CoCr2O4), an insulating normal spinel compound, is a potential multiferroic material. We report that pure, nanosize CoCr2O4 particles are synthesized through a conventional coprecipiation techniq...

    Chandana Rath, P. Mohanty in Journal of Superconductivity and Novel Magnetism (2011)

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    Article

    Observation of grain growth in swift heavy ion irradiated NiO thin films

    NiO thin films grown on Si(100) substrates by electron beam evaporation, were sintered at 500 °C and 700 °C. The films were irradiated with 120 MeV Au9+ ions. Irradiation had different effects depending upon the ...

    P. Mallick, Chandana Rath, J. K. Dash, R. Biswal… in Indian Journal of Physics (2010)

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    Article

    Structural and magnetic properties of Fe doped NiO

    Mott-Hubbard anti-ferromagnetic insulator, NiO shows p-type semiconducting behaviour due to vacancy at Ni2+ site in its bunsenite structure. We report the modification of structural and magnetic order in NiO on F...

    P. Mallick, Chandana Rath, R. Biswal, N. C. Mishra in Indian Journal of Physics (2009)

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    Article

    Evolution of phase purity and texture on annealing of BiFeO3 thin film prepared by sol-gel technique

    We report preparation of phase pure BiFeO3 thin films on glass, ITO and Si(100) substrates through chemical route using spin coating technique. Sol-gel process was adopted to prepare the films using bismuth nitra...

    Priyadarshini Dash, B. N. Dash, Haripriya Rath, Chandana Rath… in Indian Journal of Physics (2009)

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    Article

    Effect of cobalt substitution on microstructure and magnetic properties in ZnO nanoparticles

    Ferromagentic semiconductors have been actively pursued because of their potential as spin polarized carrier sources and easy integration into semiconductor technology. One such material, ZnO has been shown to...

    Chandana Rath, Sonal Singh, P. Mallick, D. Pandey, N. P. Lalla… in Indian Journal of Physics (2009)

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    Article

    Thermally Induced Structural Transformations on Polymorphous Silicon

    Polymorphous Si is a nanostructured form of hydrogenated amorphous Si that contains a small fraction of Si nanocrystals or clusters. Its thermally induced transformations such as relaxation, dehydrogenation, a...

    Chandana Rath, J. Farjas, P. Roura, F. Kail… in Journal of Materials Research (2005)

  7. No Access

    Article

    Si-N nanowire formation from Silicon nano and microparticles.

    We report silicon nitride whisker formation from hydrogenated amorphous silicon (a-Si:H) nanoparticles grown by PECVD for the first time. We compared the results with the kinetics of whisker formation from bal...

    Chandana Rath, A. Pinyol, J. Farjas, P. Roura, E. Bertran in MRS Online Proceedings Library (2003)