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Disorder induced negative magnetization in LaSrCoRuO(6)

Show simple item record Murthy, P.S.R. Priolkar, K.R. Bhobe, P.A. Das, A. Sarode, P.R. Nigam, A.K. 2015-06-04T02:56:43Z 2015-06-04T02:56:43Z 2010
dc.identifier.citation Journal of Magnetism and Magnetic Materials 322(22); 2010; 3704-3709. en_US
dc.description.abstract This paper reports effect of thermally induced disorder on the magnetic properties of LaSrCoRuO6 double perovskite. While the ordered sample is antiferromagnetic, the disordered sample exhibits negative values of magnetization measured in low applied fields. Isothermal magnetization on this sample shows hysteresis due to the presence of ferromagnetic interactions. Based on neutron diffraction and X-ray absorption fine structure (XAFS) studies, these results have been interpreted to be due to disorder in site occupancy of Co and Ru leading to octahedral distortions and formation of Ru-O-Ru ferromagnetic linkages. Below 150 K these ferromagnetic Ru spins polarize the Co spins in a direction opposite to that of the applied field resulting in observed negative magnetization. en_US
dc.publisher Elsevier en_US
dc.subject Physics en_US
dc.title Disorder induced negative magnetization in LaSrCoRuO(6) en_US
dc.type Journal article en_US
dc.identifier.impf y

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