THICKNESS-DEPENDENT OSCILLATION OF THE MAGNETOOPTICAL PROPERTIES OF AU-SANDWICHED (001)FE FILMS

被引：61

作者：

GEERTS, W ^{[1
]}

SUZUKI, Y ^{[1
]}

KATAYAMA, T ^{[1
]}

TANAKA, K ^{[1
]}

ANDO, K ^{[1
]}

YOSHIDA, S ^{[1
]}

机构：

[1] NATL INST ADV INTERDISCIPLINARY RES,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.50.12581

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Au-sandwiched bcc (001) Fe wedges were produced by the molecular beam epitaxy method (0-20). The polar Kerr rotation and Kerr ellipticity spectra (1.5-5 eV) were measured as a function of the Fe thickness d. In both kinds of spectra new peaks appear. The complex Kerr rotation oscillates as a function of the film thickness. More than four oscillations could be clearly observed in the measured thickness range. Magneto-optical transitions from the Δ5 band to quantum-well states (QWS's) in the Δ1 majority-spin band change the intrinsic dielectric properties. The oscillation period and transition energies are in agreement with theory. Thickness-dependent structures below 2.5 eV strongly suggest the occurrence of partially confined QWS's around EF or QWS's in the Δ5 band. © 1994 The American Physical Society.

引用

页码：12581 / 12586

页数：6

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