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Resonant Moke Spectra in Magnetic Layers on Silver

Published online by Cambridge University Press:  21 February 2011

L. Y. Chen ,
William A. Mcgahan ,
Z. S. Shan ,
D. J. Sellmyer  and
J. A. Woollam
L. Y. Chen
Affiliation:
Departments of Electrical Engineering and Physics, University of Nebraska, Lincoln, NE 68588-0511.
William A. Mcgahan
Affiliation:
Departments of Electrical Engineering and Physics, University of Nebraska, Lincoln, NE 68588-0511.
Z. S. Shan
Affiliation:
Departments of Electrical Engineering and Physics, University of Nebraska, Lincoln, NE 68588-0511.
D. J. Sellmyer
Affiliation:
Departments of Electrical Engineering and Physics, University of Nebraska, Lincoln, NE 68588-0511.
J. A. Woollam
Affiliation:
Departments of Electrical Engineering and Physics, University of Nebraska, Lincoln, NE 68588-0511.
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Extract

In recent years there have been reports of large magneto-optic Kerr effects (MOKE) observed in structures consisting of thin magnetic layers on top of optically thick nonmagnetic reflecting materials. Feil and Haas introduced the concept that these large MOKE could be explained in terms of metallic plasma resonances.[l] Katayama et al found enhanced MOKE in Fe/Cu bilayers at wavelengths corresponding to the plasma edge of copper [2]. Schoenes and Reim discussed the Feil and Haas work [3], and Reim and Weller demonstrated enhanced MOKE in TbFeCo/Cu at wavelengths where the optical constants n and k are small [4]. Thus it appears that enhanced MOKE can result when materials have unusual optical dielectric functions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 150: Symposium F – Materials for Magneto-Optic Data Storage , 1989 , 109
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

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