Magnetic ordering in relation to the room-temperature magnetoelectric effect of Sr3Co2Fe24O41

Minoru Soda; Taishi Ishikura; Hiroyuki Nakamura; Yusuke Wakabayashi; Tsuyoshi Kimura

doi:10.1103/PhysRevLett.106.087201

Magnetic ordering in relation to the room-temperature magnetoelectric effect of Sr₃Co₂Fe₂₄O₄₁

Minoru Soda, Taishi Ishikura, Hiroyuki Nakamura, Yusuke Wakabayashi, Tsuyoshi Kimura

SCI - Physics

Osaka University

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

137 Citations (Scopus)

Abstract

The origin of a room-temperature magnetoelectric (ME) effect has been examined by means of neutron powder diffraction measurements for a Z-type hexaferrite Sr₃Co₂Fe₂₄O₄₁. The temperature and magnetic-field dependence of the electric polarization P and several magnetic Bragg reflections show that a commensurate magnetic order with a (0,0,1) propagation vector has an intimate connection with the ME effect. The room-temperature ME effect can be understood in terms of the appearance of P which is induced by a transverse conical spin structure through the inverse Dzyaloshinskii-Moriya mechanism in analogy with Y-type hexaferrites.

Original language	English
Article number	087201
Journal	Physical Review Letters
Volume	106
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.106.087201
Publication status	Published - 2011 Feb 22

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10.1103/PhysRevLett.106.087201

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abstract = "The origin of a room-temperature magnetoelectric (ME) effect has been examined by means of neutron powder diffraction measurements for a Z-type hexaferrite Sr3Co2Fe24O41. The temperature and magnetic-field dependence of the electric polarization P and several magnetic Bragg reflections show that a commensurate magnetic order with a (0,0,1) propagation vector has an intimate connection with the ME effect. The room-temperature ME effect can be understood in terms of the appearance of P which is induced by a transverse conical spin structure through the inverse Dzyaloshinskii-Moriya mechanism in analogy with Y-type hexaferrites.",

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AU - Kimura, Tsuyoshi

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AB - The origin of a room-temperature magnetoelectric (ME) effect has been examined by means of neutron powder diffraction measurements for a Z-type hexaferrite Sr3Co2Fe24O41. The temperature and magnetic-field dependence of the electric polarization P and several magnetic Bragg reflections show that a commensurate magnetic order with a (0,0,1) propagation vector has an intimate connection with the ME effect. The room-temperature ME effect can be understood in terms of the appearance of P which is induced by a transverse conical spin structure through the inverse Dzyaloshinskii-Moriya mechanism in analogy with Y-type hexaferrites.

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Magnetic ordering in relation to the room-temperature magnetoelectric effect of Sr₃Co₂Fe₂₄O₄₁

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