Magnetic coupling between Sm3 + and the canted spin in an antiferromagnetic SmFeO 3 single crystal

L. G. Marshall; J. G. Cheng; J. S. Zhou; J. B. Goodenough; J. Q. Yan; D. G. Mandrus

doi:10.1103/PhysRevB.86.064417

Magnetic coupling between Sm3 ⁺ and the canted spin in an antiferromagnetic SmFeO ₃ single crystal

L. G. Marshall, J. G. Cheng, J. S. Zhou, J. B. Goodenough, J. Q. Yan, D. G. Mandrus

Correlated Electron Materials

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Abstract

The perovskite SmFeO ₃ exhibits type-G antiferromagnetic ordering at T _N670 K and an easy axis rotation transition at T _SR480 K. Owing to the peculiar site anisotropy of rare-earth Sm3 ⁺, the moment on Sm3 ⁺ is oriented antiparallel to the canted spin from the Fe ⁺ sublattice along the a axis at T < T _SR. The development of the magnetic moment on Sm3 ⁺ as temperature decreases makes it possible to balance the two magnetic moments at T _comp. The application of a moderate external magnetic field along the a axis can trigger an abrupt reversal of the moment on Sm3 ⁺ and the canted spin relative to the external field at a temperature around T _comp. We report here a study of the field-induced magnetic-moment reversal in a single crystal SmFeO ₃ by measuring the magnetization and specific heat with the external field along different crystallographic axes.

Original language	English
Article number	064417
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	86
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.86.064417
State	Published - Aug 13 2012

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title = "Magnetic coupling between Sm3 + and the canted spin in an antiferromagnetic SmFeO 3 single crystal",

abstract = "The perovskite SmFeO 3 exhibits type-G antiferromagnetic ordering at T N670 K and an easy axis rotation transition at T SR480 K. Owing to the peculiar site anisotropy of rare-earth Sm3 +, the moment on Sm3 + is oriented antiparallel to the canted spin from the Fe + sublattice along the a axis at T < T SR. The development of the magnetic moment on Sm3 + as temperature decreases makes it possible to balance the two magnetic moments at T comp. The application of a moderate external magnetic field along the a axis can trigger an abrupt reversal of the moment on Sm3 + and the canted spin relative to the external field at a temperature around T comp. We report here a study of the field-induced magnetic-moment reversal in a single crystal SmFeO 3 by measuring the magnetization and specific heat with the external field along different crystallographic axes.",

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AU - Marshall, L. G.

AU - Cheng, J. G.

AU - Zhou, J. S.

AU - Goodenough, J. B.

AU - Yan, J. Q.

AU - Mandrus, D. G.

PY - 2012/8/13

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N2 - The perovskite SmFeO 3 exhibits type-G antiferromagnetic ordering at T N670 K and an easy axis rotation transition at T SR480 K. Owing to the peculiar site anisotropy of rare-earth Sm3 +, the moment on Sm3 + is oriented antiparallel to the canted spin from the Fe + sublattice along the a axis at T < T SR. The development of the magnetic moment on Sm3 + as temperature decreases makes it possible to balance the two magnetic moments at T comp. The application of a moderate external magnetic field along the a axis can trigger an abrupt reversal of the moment on Sm3 + and the canted spin relative to the external field at a temperature around T comp. We report here a study of the field-induced magnetic-moment reversal in a single crystal SmFeO 3 by measuring the magnetization and specific heat with the external field along different crystallographic axes.

AB - The perovskite SmFeO 3 exhibits type-G antiferromagnetic ordering at T N670 K and an easy axis rotation transition at T SR480 K. Owing to the peculiar site anisotropy of rare-earth Sm3 +, the moment on Sm3 + is oriented antiparallel to the canted spin from the Fe + sublattice along the a axis at T < T SR. The development of the magnetic moment on Sm3 + as temperature decreases makes it possible to balance the two magnetic moments at T comp. The application of a moderate external magnetic field along the a axis can trigger an abrupt reversal of the moment on Sm3 + and the canted spin relative to the external field at a temperature around T comp. We report here a study of the field-induced magnetic-moment reversal in a single crystal SmFeO 3 by measuring the magnetization and specific heat with the external field along different crystallographic axes.

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Magnetic coupling between Sm3 ⁺ and the canted spin in an antiferromagnetic SmFeO ₃ single crystal

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