Soft x-ray magnetic circular dichroism study of weakly ferromagnetic Zn1-xVxO thin film

被引：23
|
作者：
Ishida, Y.
Hwang, J. I.
Kobayashi, M.
Takeda, Y.
Mamiya, K.
Okamoto, J.
Fujimori, S. -I.
Okane, T.
Terai, K.
Saitoh, Y.
Muramatsu, Y.
Fujimori, A.
Tanaka, A.
Saeki, H.
Kawai, T.
Tabata, H.
机构：
[1] Univ Tokyo, Dept Phys, Kashiwa, Chiba 2778561, Japan
[2] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan
[3] Japan Atom Energy Agcy, Synchrotron Radiat Res Ctr, Sayo, Hyogo 6795148, Japan
[4] Univ Tokyo, Dept Phys, Kashiwa, Chiba 2778561, Japan
[5] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan
[6] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima, Hiroshima 7398530, Japan
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 02期
关键词：
D O I：
10.1063/1.2431571
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors performed a soft x-ray magnetic circular dichroism (XMCD) study of a Zn1-xVxO thin film, which showed a small ferromagnetic moment. Field and temperature dependences of V 2p XMCD signals indicated the coexistence of Curie-Weiss paramagnetic and antiferromagnetic V ions, quantitatively consistent with the magnetization measurements. The authors attributed the paramagnetic signal to V ions substituting for Zn sites, which are somewhat elongated along the c axis. A possible formation of ferromagnetically dead layers in the surface region of the film is also discussed. (c) 2007 American Institute of Physics.
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页数：3
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