Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3

Y. G. Shi; Y. F. Guo; S. Yu; M. Arai; A. A. Belik; A. Sato; K. Yamaura; E. Takayama-Muromachi; H. F. Tian; H. X. Yang; J. Q. Li; T. Varga; J. F. Mitchell; S. Okamoto

doi:10.1103/PhysRevB.80.161104

Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3

Y. G. Shi, Y. F. Guo, S. Yu, M. Arai, A. A. Belik, A. Sato, K. Yamaura, E. Takayama-Muromachi, H. F. Tian, H. X. Yang, J. Q. Li, T. Varga, J. F. Mitchell, S. Okamoto

Materials Theory

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123 Scopus citations

Abstract

The perovskite NaOsO3 shows a Curie-Weiss metallic nature at high temperature and suddenly goes into an antiferromagnetically insulating state at 410 K on cooling. Electronic specific heat at the low-temperature limit is absent, indicating that the band gap fully opens. In situ observation in electron microscopy undetected any lattice anomalies in the vicinity of the transition temperature. It is most likely that the antiferromagnetic correlation plays an essential role in the gap opening.

Original language	English
Article number	161104
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	80
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.80.161104
State	Published - Oct 23 2009

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Shi, Y. G., Guo, Y. F., Yu, S., Arai, M., Belik, A. A., Sato, A., Yamaura, K., Takayama-Muromachi, E., Tian, H. F., Yang, H. X., Li, J. Q., Varga, T., Mitchell, J. F., & Okamoto, S. (2009). Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3. Physical Review B - Condensed Matter and Materials Physics, 80(16), Article 161104. https://doi.org/10.1103/PhysRevB.80.161104

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abstract = "The perovskite NaOsO3 shows a Curie-Weiss metallic nature at high temperature and suddenly goes into an antiferromagnetically insulating state at 410 K on cooling. Electronic specific heat at the low-temperature limit is absent, indicating that the band gap fully opens. In situ observation in electron microscopy undetected any lattice anomalies in the vicinity of the transition temperature. It is most likely that the antiferromagnetic correlation plays an essential role in the gap opening.",

author = "Shi, {Y. G.} and Guo, {Y. F.} and S. Yu and M. Arai and Belik, {A. A.} and A. Sato and K. Yamaura and E. Takayama-Muromachi and Tian, {H. F.} and Yang, {H. X.} and Li, {J. Q.} and T. Varga and Mitchell, {J. F.} and S. Okamoto",

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Shi, YG, Guo, YF, Yu, S, Arai, M, Belik, AA, Sato, A, Yamaura, K, Takayama-Muromachi, E, Tian, HF, Yang, HX, Li, JQ, Varga, T, Mitchell, JF & Okamoto, S 2009, 'Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3', Physical Review B - Condensed Matter and Materials Physics, vol. 80, no. 16, 161104. https://doi.org/10.1103/PhysRevB.80.161104

TY - JOUR

T1 - Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3

AU - Shi, Y. G.

AU - Guo, Y. F.

AU - Yu, S.

AU - Arai, M.

AU - Belik, A. A.

AU - Sato, A.

AU - Yamaura, K.

AU - Takayama-Muromachi, E.

AU - Tian, H. F.

AU - Yang, H. X.

AU - Li, J. Q.

AU - Varga, T.

AU - Mitchell, J. F.

AU - Okamoto, S.

PY - 2009/10/23

Y1 - 2009/10/23

N2 - The perovskite NaOsO3 shows a Curie-Weiss metallic nature at high temperature and suddenly goes into an antiferromagnetically insulating state at 410 K on cooling. Electronic specific heat at the low-temperature limit is absent, indicating that the band gap fully opens. In situ observation in electron microscopy undetected any lattice anomalies in the vicinity of the transition temperature. It is most likely that the antiferromagnetic correlation plays an essential role in the gap opening.

AB - The perovskite NaOsO3 shows a Curie-Weiss metallic nature at high temperature and suddenly goes into an antiferromagnetically insulating state at 410 K on cooling. Electronic specific heat at the low-temperature limit is absent, indicating that the band gap fully opens. In situ observation in electron microscopy undetected any lattice anomalies in the vicinity of the transition temperature. It is most likely that the antiferromagnetic correlation plays an essential role in the gap opening.

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SN - 1098-0121

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

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ER -

Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3

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