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Volume 24, Issue 11
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Contributed Paper
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T. Ueno, M. Hasebe2000 Volume 24 Issue 11 Pages 1362-1366
Published: 2000
Released on J-STAGE: February 26, 2007
JOURNAL OPEN ACCESSIt is known that the structure of a Co-Cr base alloy film consists of a Co base ferromagnetic phase in grains and a Cr base paramagnetic phase in the neighborhood of the grain boundary. It has been reported that this structure is caused by a miscibility gap due to magnetic transformation. The miscibility gap due to magnetic transformation in the Co-Cr binary system has already been calculated by the CALPHAD method. However, the miscibility gap due to the magnetic transformation in a B-added Co-Cr base alloy has not yet been calculated. In this paper, the effect of B-addition on the miscibility gap in a Co-Cr base alloy is calculated by the CALPHAD method.View full abstractDownload PDF (315K) -
Yusuke Itoh, William Van Drent, Masahiro Birukawa, Katsuaki Sato, Taka ...2000 Volume 24 Issue 11 Pages 1367-1373
Published: 2000
Released on J-STAGE: February 26, 2007
JOURNAL OPEN ACCESSThe present paper discusses the effect of Pt on the magnetic and magneto-optical properties in TbFeCo/Pt multilayer films fabricated by sputter-deposition, in conjunction with interfacial structures. Both the magnetic and magneto-optical properties as a function of Pt thickness are reasonably well explained on the basis of a model in which an interfacial region very similar to an Fe-Pt alloy is assumed. Furthermore, low angle X-ray diffraction analysis and polar Kerr magneto-optical spectra simulation over a photon energy range from 1.4 to 6.8 eV (wavelength λ = 182 to 886 nm) reveal that the Fe-Pt alloy-like interfacial regions are formed only on top of TbFeCo layers, but not on Pt layers. A possible contribution of polarized Pt atoms to the magneto-optical spectra is also discussed.View full abstractDownload PDF (499K)
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