Observation of ordered orbital of YTIO3 by the X-ray magnetic diffraction experiments

被引：18
|
作者：
Ito, M
Tuji, N
Itoh, F
Adachi, H
Arakawa, E
Namikawa, K
Nakao, H
Murakami, Y
Taguchi, Y
Tokura, Y
机构：
[1] Gunma Univ, Fac Engn, Maebashi, Gumma 3718510, Japan
[2] KEK, Mat Res Inst, Tsukuba, Ibaraki 3050801, Japan
[3] Tokyo Gakugei Univ, Koganei, Tokyo 1848501, Japan
[4] Tohoku Univ, Grad Sch Sci, Aoba Ku, Sendai, Miyagi 9808578, Japan
[5] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1130033, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2004年 / 65卷 / 12期
关键词：
magnetic materials; oxides; X-ray diffraction; electronic structure; magnetic structure;
D O I：
10.1016/j.jpcs.2004.08.010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
X-ray magnetic diffraction (XMD) experiments of ferromagnetic YTiO3 were performed. The orbital-magnetic form factor (L) and the spin-magnetic form factor (S) were individually measured by utilizing the LS separation method of the XMD. The experiments consisted of two parts. The first was the measurement of the orbital-magnetic form factor to examine whether the orbital moment of this compound was quenched or not. The second was the measurement of the spin-magnetic form factor to examine whether the ordered orbital of Ti-3d electrons was observed by the XMD. The result of the first experiment suggested quenching of the orbital moment. In the second experiment, the spin-magnetic form factor was observed for the total 22 reciprocal-lattice points. Calculated spin-magnetic form factor with a model wave function of the ordered orbital reproduced the observed one well. This result shows that the ordered orbital of Ti-3d electrons can be observed by the XMD. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1993 / 1997
页数：5
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