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The larger polar Kerr rotation of Fe-Si alloy films and their magnetic properties (1998)

Zhou, Tie-Jun ; Yang, W. ; Yu, Z. ; [weitere]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 72 (1998), S. 1383-1384

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ISSN: 1077-3118

Quelle: AIP Digital Archive

Thema: Physik

Notizen: The structure, magnetic properties and polar Kerr effects of Fe100−xSix (0≤x≤70) alloy films prepared by ion-beam co-sputtering were studied. We find that the saturation magnetization of these films decreases with increasing x, and a plateau of constant magnetization occurs as 22≤x≤28. Their polar Kerr rotation θk decreases with increasing x as x≤16.2 and x≥30, but increases with increasing x as 20≤x≤28. In the measuring wavelength range of 400–800 nm, the θk of Fe72Si28 film is 40% to 50% larger than that of pure Fe film. We think that amorphization may play an important role in enlarging the polar Kerr rotation of these films. © 1998 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.121062

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