Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO3

S. Ishiwata; M. Tokunaga; Y. Kaneko; D. Okuyama; Y. Tokunaga; S. Wakimoto; K. Kakurai; T. Arima; Y. Taguchi; Y. Tokura

doi:10.1103/PhysRevB.84.054427

Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO₃

S. Ishiwata, M. Tokunaga, Y. Kaneko, D. Okuyama, Y. Tokunaga, S. Wakimoto, K. Kakurai, T. Arima, Y. Taguchi, Y. Tokura

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

117 Citations (Scopus)

Abstract

A helical spin texture is of great current interest for a host of novel spin-dependent transport phenomena. We report a rich variety of nontrivial helimagnetic phases in the simple cubic perovskite SrFeO₃ under magnetic fields up to 42 T. Magnetic and resistivity measurements revealed that the proper-screw spin phase proposed for SrFeO₃ can be subdivided into at least five kinds of ordered phases. Near the multicritical point, an unconventional anomalous Hall effect was found to show up and was interpreted as due to a possible long-period noncoplanar spin texture with scalar spin chirality.

Original language	English
Article number	054427
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	84
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.84.054427
Publication status	Published - 2011 Aug 9
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.84.054427

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abstract = "A helical spin texture is of great current interest for a host of novel spin-dependent transport phenomena. We report a rich variety of nontrivial helimagnetic phases in the simple cubic perovskite SrFeO3 under magnetic fields up to 42 T. Magnetic and resistivity measurements revealed that the proper-screw spin phase proposed for SrFeO3 can be subdivided into at least five kinds of ordered phases. Near the multicritical point, an unconventional anomalous Hall effect was found to show up and was interpreted as due to a possible long-period noncoplanar spin texture with scalar spin chirality.",

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AU - Ishiwata, S.

AU - Tokunaga, M.

AU - Kaneko, Y.

AU - Okuyama, D.

AU - Tokunaga, Y.

AU - Wakimoto, S.

AU - Kakurai, K.

AU - Arima, T.

AU - Taguchi, Y.

AU - Tokura, Y.

PY - 2011/8/9

Y1 - 2011/8/9

N2 - A helical spin texture is of great current interest for a host of novel spin-dependent transport phenomena. We report a rich variety of nontrivial helimagnetic phases in the simple cubic perovskite SrFeO3 under magnetic fields up to 42 T. Magnetic and resistivity measurements revealed that the proper-screw spin phase proposed for SrFeO3 can be subdivided into at least five kinds of ordered phases. Near the multicritical point, an unconventional anomalous Hall effect was found to show up and was interpreted as due to a possible long-period noncoplanar spin texture with scalar spin chirality.

AB - A helical spin texture is of great current interest for a host of novel spin-dependent transport phenomena. We report a rich variety of nontrivial helimagnetic phases in the simple cubic perovskite SrFeO3 under magnetic fields up to 42 T. Magnetic and resistivity measurements revealed that the proper-screw spin phase proposed for SrFeO3 can be subdivided into at least five kinds of ordered phases. Near the multicritical point, an unconventional anomalous Hall effect was found to show up and was interpreted as due to a possible long-period noncoplanar spin texture with scalar spin chirality.

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Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO₃

Abstract

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