Nonlinear magneto-optical Kerr rotation of an oxide superlattice with artificially broken symmetry

被引：60

作者：

Ogawa, Y ^{[1
]}

Yamada, H

Ogasawara, T

Arima, T

Okamoto, H

Kawasaki, M

Tokura, Y

机构：

[1] JST, Spin Superstruct Project, ERATO, AIST Tsukuba Cent 4, Tsukuba, Ibaraki 3058562, Japan

[2] AIST, CERC, AIST Tsukuba Cent 4, Tsukuba, Ibaraki 3058562, Japan

[3] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

[4] Univ Tokyo, Dept Adv Mat Sci, Tokyo 1130033, Japan

[5] Tohoku Univ, Mat Res Inst, Sendai, Miyagi 9808577, Japan

[6] Dept Appl Phys, Tokyo 1138656, Japan

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.90.217403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Simultaneously broken time-reversal and spatial-inversion symmetries can be realized in the epitaxially grown oxide "tricolor" superlattices composed of three sequential kinds of perovskite layers including a ferromagnetic one (manganese oxide). As a generic feature of such a system, the magnetic-field-induced second-harmonic generation and the resultant Kerr rotation of second-harmonic light were demonstrated. The signal intensity probes the interface magnetization of the superlattice, where temperature variation is shown to be distinct from the bulk feature.

引用

页数：4

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