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Browsing 2018 by Author "Varma, M R"

Browsing 2018 by Author "Varma, M R"

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  • Hopping conduction and spin glass behavior of La2FeMnO6 
    Palakkal, J P; Sankar, C R; Paulose, A P; Varma, M R (Elsevier, 2018-04-30)
    We report the existence of a charge localized state in a distorted, low-temperature phase of the perovskite La2FeMnO6 below a charge localization temperature (TCL) ∼133 K, from the detailed analysis of dc resistivity, ...
  • Structural, magnetic, and magnetotransport properties of LaFe0.5Ni0.5O3 
    Jasnamol, P P; Aswathi, K; Sankar, C R; Varma, M R (Elsevier, 2018-12-15)
    The perovskite-type LaFe0.5Ni0.5O3 belonging to the rhombohedral (space group R-3c) crystal structure has been synthesized for which we have identified a magnetic transition at T1 = 8 K corresponding to the minimum observed ...
  • Unusual magnetodielectric effects in La2CuMnO6 induced by dynamic crossover in dielectric relaxation at TC 
    Palakkal, J P; Sankar, C R; Paulose, A P; Valant, M; Badasyan, A; Varma, M R (Elsevier, 2018-04)
    A series of fixed frequency dielectric measurements shows dielectric relaxation in La2CuMnO6, with a dynamic (Arrhenius to Arrhenius) crossover at TC. The external magnetic field alters the relaxation parameters in the ...

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