Magnetic properties of epitaxially grown Fe3 Si/Ge (111) layers with atomically flat heterointerfaces

Y. Ando, K. Hamaya, K. Kasahara, K. Ueda, Y. Nozaki, T. Sadoh, Y. Maeda, K. Matsuyama, M. Miyao

研究成果: Article査読

45 被引用数 (Scopus)

抄録

We study magnetic properties of epitaxial Fe3 Si layers grown on Ge(111) with atomically flat interfaces. An unexpected uniaxial magnetic anisotropy is observed in the film plane for all as-grown samples, and the direction of the uniaxial easy axis is different for each of these samples. By postgrowth annealing, surprisingly, the random orientation of the uniaxial easy axis is aligned to a direction along about [0 1- 1], together with a reduction in the saturation magnetization. We discuss a possible mechanism of the variation in the magnetic properties after the annealing.

本文言語English
論文番号07B102
ジャーナルJournal of Applied Physics
105
7
DOI
出版ステータスPublished - 2009
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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