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タイトル: | Reduction of magnetic moments in very thin Cr layers of Fe/Cr multilayers: Evidence from Sn-119 Mossbauer spectroscopy |
著者: | Mibu, K Almokhtar, M Tanaka, S Nakanishi, A Kobayashi, T Shinjo, T |
発行日: | 6-Mar-2000 |
出版者: | American Physical Society |
誌名: | PHYSICAL REVIEW LETTERS |
巻: | 84 |
号: | 10 |
開始ページ: | 2243 |
終了ページ: | 2246 |
抄録: | Fe/Cr multilayers with monatomic Sn layers embedded in the Cr layers were grown epitaxially on MgO(001) substrates, and the magnetic hyperfine field at the [119]Sn nuclear sites was examined using Mössbauer spectroscopy. It was found that nonzero hyperfine field is induced at the Sn sites at room temperature and that the value reduces drastically from 10 to 2 T when the Cr layer thickness decreases from 80 to 10 Å. The result indicates that the Cr layers are magnetically ordered even when the thickness is very small and that the magnetic moments of Cr become smaller as the Cr layer thickness decreases. |
著作権等: | Copyright 2000 American Physical Society |
URI: | http://hdl.handle.net/2433/50361 |
DOI(出版社版): | 10.1103/PhysRevLett.84.2243 |
PubMed ID: | 11017254 |
出現コレクション: | 学術雑誌掲載論文等 |
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