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

Strongly Correlated Electrons 2015-05-28 v1 Materials Science

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

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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.

Keywords

perovskite magnetism frustrated magnetism

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@article{arxiv.1107.5184,
  title  = {Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO3},
  author = {S. Ishiwata and M. Tokunaga and Y. Kaneko and D. Okuyama and Y. Tokunaga and S. Wakimoto and K. Kakurai and T. Arima and Y. Taguchi and Y. Tokura},
  journal= {arXiv preprint arXiv:1107.5184},
  year   = {2015}
}

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5 pages, 5 figures, Physical Review B in press

Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO3

Abstract

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