Phys. Rev. B 40, 10982–10985 (1989)Temperature-induced magnetism in LaCoO3Received 8 June 1989; published in the issue dated 1 December 1989 Polarized and unpolarized neutron measurements have been performed on LaCoO3 in a temperature range between 10 and 295 K. A drastic decrease in the magnetic cross section is observed below 150 K. This is the first concrete experimental evidence for the temperature-induced magnetic moment of Co ions in this oxide as proposed in the thermally populated high-spin model. The temperature dependence of the moment is in qualitative agreement with that calculated from the magnetic-susceptibility data. © 1989 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.40.10982
DOI:
10.1103/PhysRevB.40.10982
PACS:
72.15.He, 75.20.Ck
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