Magnetic properties of Co/Ge(111) films: Effects of growth temperatures

S. Tsay*, Y. T. Chen, W. C. Cheng, K. C. Wang, Y. D. Yao

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)

摘要

Effects of growth temperatures to the magnetic properties of Co/Ge(111) ultrathin films have been studied. For 22 monolayers Co/Ge(l 11) deposited at 200 and 300 K, the difference of the temperatures where ferromagnetism disappears upon annealing treatment is about 75 K. The Co/Ge interface shows a more ordered structure for films deposited at 200 K as revealed by low-energy electron diffraction measurements. The responses of magneto-optic signals could be explained by the different morphologies at the interfaces. A Co/Ge(111) system exhibits a strong in-plane anisotropy that is not altered by the interfacial conditions.

原文英語
頁(從 - 到)4507-4511
頁數5
期刊Physica Status Solidi (B) Basic Research
244
發行號12
DOIs
出版狀態已發佈 - 2007 十二月

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學

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