Temperature dependence of the spin state of a Co3+ Ion in RCoO3 (R = La, Gd) cobaltites

Changes in the spin state of Co 3+ ions in LaCoO 3 and GdCoO 3 compounds are studied through the use of the temperature dependence of the magnetic susceptibility and the modified crystal field theory. It is shown that the spin subsystem of Co 3+ ions in LaCoO 3 and GdCoO 3 undergoes the spin-crossov...

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Bibliographic Details
Published in:JETP letters 2014-06, Vol.99 (8), p.476-480
Main Authors: Babkin, R. Yu, Lamonova, K. V., Orel, S. M., Ovchinnikov, S. G., Pashkevich, Yu. G.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
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Summary:Changes in the spin state of Co 3+ ions in LaCoO 3 and GdCoO 3 compounds are studied through the use of the temperature dependence of the magnetic susceptibility and the modified crystal field theory. It is shown that the spin subsystem of Co 3+ ions in LaCoO 3 and GdCoO 3 undergoes the spin-crossover type transition between the high-spin ( S = 2) and low-spin ( S = 0) states without any contribution of the intermediate-spin state ( S = 1).
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364014080037