|
ヤマガミ ヒロシ
YAMAGAMI HIROSHI
山上 浩志 所属 京都産業大学 理学部 物理科学科 職種 教授 |
|
| 言語種別 | 英語 |
| 発行・発表の年月 | 2013/06 |
| 形態種別 | 研究論文 |
| 標題 | Role of doped Ru in coercivity-enhanced La0.6Sr0.4MnO3 thin film studied by x-ray magnetic circular dichroism |
| 執筆形態 | その他 |
| 掲載誌名 | APPLIED PHYSICS LETTERS |
| 出版社・発行元 | AMER INST PHYSICS |
| 巻・号・頁 | 102(22) |
| 著者・共著者 | T. Harano,G. Shibata,K. Ishigami,Y. Takashashi,V. K. Verma,V. R. Singh,T. Kadono,A. Fujimori,Y. Takeda,T. Okane,Y. Saitoh,H. Yamagami,T. Koide,H. Yamada,A. Sawa,M. Kawasaki,Y. Tokura,A. Tanaka |
| 概要 | The coercivity of La1-xSrxMnO3 thin films can be enhanced by Ru substitution for Mn. In order to elucidate its mechanism, we performed soft x-ray absorption and magnetic circular dichroism measurements at the Ru M-2,M-3 and Mn L-2,L-3 edges. We found that the spin direction of Ru and Mn are opposite and that Ru has a finite orbital magnetic moment. Cluster-model analysis indicated that the finite orbital magnetic moment as well as the reduced spin moment of Ru result from local lattice distortion caused by epitaxial strain from the SrTiO3 substrate in the presence of spin-orbit interaction. (C) 2013 AIP Publishing LLC. |
| DOI | 10.1063/1.4808090 |
| ISSN | 0003-6951/1077-3118 |