NEW MAGNETOOPTICAL TRANSITION IN ULTRATHIN FE(100) FILMS

被引:131
作者
SUZUKI, Y [1 ]
KATAYAMA, T [1 ]
YOSHIDA, S [1 ]
TANAKA, K [1 ]
SATO, K [1 ]
机构
[1] TOKYO UNIV AGR & TECHNOL, FAC TECHNOL, KOGANEI, TOKYO 184, JAPAN
关键词
D O I
10.1103/PhysRevLett.68.3355
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Magneto-optical polar Kerr effects in ultrathin bcc Fe(100) films sandwiched by Au layers were investigated in the 1.6-5.3 eV photon energy range at room temperature. A new peak appeared in the off-diagonal conductivity spectrum at around 3.5-4.5 eV for the Fe films thinner than 10 angstrom. The peak energy is lower for thinner Fe films. The absolute value of epsilon(xy) at 3.7 eV in the 3 angstrom thick Fe film is 2 times as large as that in the bulk Fe.
引用
收藏
页码:3355 / 3358
页数:4
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