Spin Glass Dynamics of Nanoparticle La0.7Ca0.3Mn0.7Fe0.3O3 Obtained by a Mechanochemical Milling

M. Perovic, A. Mrakovic, V. Kusigerski, J. Blanusa and V. Spasojevic Condensed Matter Physics Laboratory, Vinca Institute, University of Belgrade, P.O.B. 522, 11001 Belgrade, Serbia

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Spin dynamics of nanoparticle La0.7Ca0.3Mn0.7Fe0.3O3 system was studied through the set of diverse magnetic measurements. Analysis of the data obtained from magnetic relaxation measurements, memory effect and AC susceptibility experiments pointed to a spin glass like behavior of interacting nanoparticle system.

DOI: 10.12693/APhysPolA.118.813 PACS numbers: 75.75.-c, 75.75.Jn, 75.50.Lk