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Title: Nonequilibrium magnetic properties of single-crystalline La0.7Ca0.3CoO3
Authors: Kundu, Asish K
Nordblad, P
Rao, C N R
Keywords: Phase-Separation
Issue Date: Oct-2005
Publisher: The American Physical Society
Citation: Physical Review B 72(14), 144423-1-6 (2005)
Abstract: Magnetic and electric properties of a single crystal of La0.7Ca0.3CoO3 have been experimentally studied. The system attains a ferromagnetic spontaneous moment below 170 K and exhibits a reentrant spin-glass phase below 100 K. In the ordered and the reentrant phases, the low-field magnetic properties are strongly direction dependent, showing considerably higher magnetization values perpendicular than parallel to the c axis. Magnetic relaxation experiments show that both the ferromagnetic and the reentrant spin-glass phases are nonequilibrium states, where the system exhibits magnetic aging characteristic of spin glasses and disordered and frustrated ferromagnets.
Description: Restricted access.
Other Identifiers: 1098-0121
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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