Pressure-induced transition from a charge-disproportionated antiferromagnetic state to a charge-uniform ferromagnetic state in Sr2/3La1/3FeO3

T. Kawakami; S. Nasu; T. Sasaki; K. Kuzushita; S. Morimoto; S. Endo; T. Yamada; S. Kawasaki; M. Takano

Pressure-induced transition from a charge-disproportionated antiferromagnetic state to a charge-uniform ferromagnetic state in Sr_2/3La_1/3FeO₃

T. Kawakami, S. Nasu, T. Sasaki, K. Kuzushita, S. Morimoto, S. Endo, T. Yamada, S. Kawasaki, M. Takano

Research output: Contribution to journal › Article › peer-review

Abstract

The pressure effects on SLFO were studied with ⁵⁷Fe Mossbauer spectroscopy and x-ray diffraction (XRD) using synchrotron radiation. For simplicity purposes, the nominal valence and the terminology of charge disproportion (CD) such as 3De^11/3+ ↔ 2Fe³⁺ + Fe⁵⁺ were used. It was found that the contraction of the unit cell volume of V(23 GPa)/V₀=0.89 induces the switching of the ground state of SLFO from the charge-disproportionated AF state to the charge-uniform FM state.

Original language	English
Article number	037602
Journal	Physical Review Letters
Volume	88
Issue number	3
Publication status	Published - 2002 Jan 21
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Pressure-induced transition from a charge-disproportionated antiferromagnetic state to a charge-uniform ferromagnetic state in Sr_2/3La_1/3FeO₃. / Kawakami, T.; Nasu, S.; Sasaki, T.; Kuzushita, K.; Morimoto, S.; Endo, S.; Yamada, T.; Kawasaki, S.; Takano, M.

In: Physical Review Letters, Vol. 88, No. 3, 037602, 21.01.2002.

Research output: Contribution to journal › Article › peer-review

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AU - Kawakami, T.

AU - Nasu, S.

AU - Sasaki, T.

AU - Kuzushita, K.

AU - Morimoto, S.

AU - Endo, S.

AU - Yamada, T.

AU - Kawasaki, S.

AU - Takano, M.

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N2 - The pressure effects on SLFO were studied with 57Fe Mossbauer spectroscopy and x-ray diffraction (XRD) using synchrotron radiation. For simplicity purposes, the nominal valence and the terminology of charge disproportion (CD) such as 3De11/3+ ↔ 2Fe3+ + Fe5+ were used. It was found that the contraction of the unit cell volume of V(23 GPa)/V0=0.89 induces the switching of the ground state of SLFO from the charge-disproportionated AF state to the charge-uniform FM state.

AB - The pressure effects on SLFO were studied with 57Fe Mossbauer spectroscopy and x-ray diffraction (XRD) using synchrotron radiation. For simplicity purposes, the nominal valence and the terminology of charge disproportion (CD) such as 3De11/3+ ↔ 2Fe3+ + Fe5+ were used. It was found that the contraction of the unit cell volume of V(23 GPa)/V0=0.89 induces the switching of the ground state of SLFO from the charge-disproportionated AF state to the charge-uniform FM state.

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Pressure-induced transition from a charge-disproportionated antiferromagnetic state to a charge-uniform ferromagnetic state in Sr_2/3La_1/3FeO₃

Abstract

ASJC Scopus subject areas

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