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The Magneto-Optical Quantum Size Effect in bcc-Fe(001) and (110) Ultrathin Films

Published online by Cambridge University Press:  15 February 2011

Y. Suzuki ,
T. Katayama ,
W. Geerts ,
P. Bruno  and
H. Sawada
Y. Suzuki
Affiliation:
Joint Research Center for Atom Technology-National Institute for Advanced Interdisciplinary Research (JRCAT-NAIR), 1-1-4, Higashi, Tsukuba, IBARAKI 305, Japan Electrotechnical Laboratory, 1-1-4, Umezono, Tsukuba, IBARAKI 305, Japan
T. Katayama
Affiliation:
Electrotechnical Laboratory, 1-1-4, Umezono, Tsukuba, IBARAKI 305, Japan
W. Geerts
Affiliation:
Electrotechnical Laboratory, 1-1-4, Umezono, Tsukuba, IBARAKI 305, Japan
P. Bruno
Affiliation:
Institut d' Électronique Fondamentale, Bât. 220, CNRS URA 22, Université Paris-Sud, 91405 ORSAY, France
H. Sawada
Affiliation:
Joint Research Center for Atom Technology-National Institute for Advanced Interdisciplinary Research (JRCAT-NAIR), 1-1-4, Higashi, Tsukuba, IBARAKI 305, Japan
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Abstract

Recently, the oscillation of the magneto-optical effect with respect to the ferromagnetic layer thickness was observed for bcc-Fe(001) ultrathin films. The oscillation periods have been explained by the theory concerning the formation of quantum well states in the ferromagnetic layer. In this paper, a physical picture how the electron confinement produces the quantum size effect of the magneto-optical responses is introduced, and experimental results on the magnetooptical effects of the bcc-Fe films of different orientations are presented. The (001) oriented films show clear oscillation. On the other hand, the (110) oriented films does not show any oscillation. The reason is discussed from the band structure and growth modes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 382: Symposium G – Structure and Properties of Multilayered Thin Films , 1995 , 237
Copyright
Copyright © Materials Research Society 1995

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References

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