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Cited by 349

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Two Spin-State Transitions in LaCoO3

Asai, Kichizo, Yoneda, Atsuro, Yokokura, Osamu, Tranquada, J. M., Shirane, G., Kohn, Key·1998·Journal of the Physical Society of Japan

Abstract

Neutron-diffraction measurements have revealed a new anomalous thermal lattice expansion of LaCoO 3 near 500 K that indicates the existence of a second spin-state transition, in addition to the one previously established near 100 K. The anomalous expansion and the temperature dependence of the Co magnetic moments are successfully interpreted in a wide temperature range based on a simple model assuming low-spin (LS, S =0), intermediate-spin (IS, S =1), and high-spin (HS, S =2) states of Co atoms. The first spin transition, near 100 K, is from LS to IS, and the second, near 500 K, is from IS to a mixed state of IS and HS. The fitted model parameters indicate that the initially-large energy difference between IS and HS states decreases towards zero as the second transition proceeds. The large drop in resistivity associated with the latter transition appears to be correlated with the population of the HS state.

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Metadata

Authors
Asai, K., Yoneda, A., Yokokura, O., Tranquada, J. M., Shirane, G., & Kohn, K.
Venue
Journal of the Physical Society of Japan
Published
1998-01-15
Volume
67
Issue
1
Pages
290-296
ISSN
  • 0031-9015 (ISSN-L)
  • 1347-4073
OpenAlex
W2043240130
Cited by
349
References
9
FWCI
6.71
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Two Spin-State Transitions in LaCoO3. https://app.cochat.ai/papers/10.1143/jpsj.67.290
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Asai, K., Yoneda, A., Yokokura, O., Tranquada, J. M., Shirane, G., & Kohn, K. (1998). Two Spin-State Transitions in LaCoO3. Journal of the Physical Society of Japan. https://doi.org/10.1143/jpsj.67.290

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