Influence of crystal structure on the perpendicular magnetic anisotropy of an epitaxial CoPt alloy

J. C.A. Huang, A. C. Hsu, Y. H. Lee, T. H. Wu, C. H. Lee

研究成果: Conference article同行評審

46 引文 斯高帕斯(Scopus)

摘要

CoPt1.1 alloys were prepared on Mo seeding layers on Al2O3(11-20), (1-102), and (1-100) substrates by molecular beam epitaxy. Reflection high energy electron diffraction and X-ray diffraction analysis and polar magnetooptical Kerr effect and extraordinary Hall effect investigations demonstrate a strong correlation between the crystal structure and perpendicular magnetic anisotropy in the alloys. The alloys exhibited distinct crystal structures and chemical ordering for substrate temperatures of 300 and 400 °C. The appearance of the ordered L11(111) phase enhances the perpendicular magnetic anisotropy and the Kerr rotations.

原文English
頁(從 - 到)5977-5979
頁數3
期刊Journal of Applied Physics
85
發行號8 II B
DOIs
出版狀態Published - 1999 四月 15
事件Proceedings of the 43rd Annual Conference on Magnetism and Magnetic Materials - Miami, FL, USA
持續時間: 1998 十一月 91998 十一月 12

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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