FARADAY AND MAGNETIC KERR ROTATION MEASUREMENTS ON CoAND NiFILMS AROUNDM2,3EDGES

Katsuhiko Saito (), Mitsuaki Igeta, Takeo Ejima, Tadashi Hatano and Makoto Watanabe
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Katsuhiko Saito: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Mitsuaki Igeta: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Takeo Ejima: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Tadashi Hatano: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Makoto Watanabe: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan

Surface Review and Letters (SRL), 2002, vol. 09, issue 02, 943-947

Abstract: Faraday and longitudinal magnetic Kerr rotation measurements were performed on Co and Ni single layer films around theirM2,3edges, at room temperature under an applied magnetic field of 0.82 T generated by a magnetic circuit composed of permanent magnets. The longitudinal Kerr rotation angle spectra are in good agreement with those calculated from the Faraday rotation spectra in Ni but different in Co. The main reason for the difference in Co was explained with the difference of the magnetization between a longitudinal Kerr (saturated) and a Faraday (unsaturated) configuration under the magnetic field of 0.82 T. This was supported by the calculated result from magnetic circular dichroism (1.2 T, 140 K) measurement on Co.

Date: 2002
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DOI: 10.1142/S0218625X02003251

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