Magnetoelectric Measurement of Magnetite (Fe_3O_4) at Low Temperatures and Direct Evidence for Nonexistence of ac Mirror Plane
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概要
- 論文の詳細を見る
The magnetoelectric (ME) effect was measured for a single crystal of magnetite below 30 K by means of an alternating current (AC) method. The ME domains were controlled through uniaxial mechanical stress together with a magnetic and an electric field. The ME polarization parallel to the b axis induced by rotating the DC magnetic field in the ac plane was successfully reversed upon reversing the electric field applied parallel to the b axis. This is direct evidence that the spontaneous electric polarization has the b axis component, and consequently, the ac mirror plane does not exist.
- 社団法人日本物理学会の論文
- 1993-05-15
著者
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Miyamoto Yoshiko
Department Of Physics Faculty Of Science Saitama University
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Shindo Mikio
Department of Physics, Faculty of Science, Saitama University
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Shindo M
Kyushu Univ. Fukuoka
関連論文
- Temperature Dependence of Magneto-Electric Effect of Magnetite (Fe_3O_4) at about 10 K
- Magnetocrystalline Anisotropy of Low Temperature Phase of Magnetite
- Crystal Symmetry of Magnetite in Low Temperature Phase Deduced from Magnetoelectric Measurements
- Anomalous Behavior in Temperature Dependence of Pyroelectric Polarization and Magnetoelectric Polarization of Magnetite below 60 K
- Magnetoelectric Measurement of Magnetite (Fe_3O_4) at Low Temperatures and Direct Evidence for Nonexistence of ac Mirror Plane
- Anomaly of Pyroelectricity in Magnetite below 10 K^*