Depth profile of induced spin polarization in Au layers of Fe/Au(001) superlattices by resonant x-ray magnetic scattering

被引：18
作者：
Ohkochi, Takuo
Mibu, Ko
Hosoito, Nobuyoshi
机构：
[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
[2] Nagoya Inst Technol, Grad Sch Engn, Nagoya, Aichi 4668555, Japan
[3] Nara Inst Sci & Technol, Res & Educ Ctr Mat Sci, Nara 6300192, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2006年 / 75卷 / 10期
关键词：
resonant X-ray magnetic scattering; induced spin polarization; multilayer; superlattice; Fe; Au; MULTILAYERS; MAGNETORESISTANCE; OSCILLATION; EXCHANGE;
D O I：
10.1143/JPSJ.75.104707
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The depth distribution of the induced spin polarization in the Au layers of epitaxitial Fe/Au(001) superlattices has been estimated by resonant X-ray magnetic scattering, using circularly polarized X-rays near the Au L-3 absorption edge. It is suggested by precise analysis that An spin polarization has itinerant character and is distributed uniformly to the middle of each Au layer. Oscillations in the sign of the spin polarization, which are expected or believed from the oscillations of exchange coupling constant J as a function of spacer layer thickness, are not found in the depth distribution.
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页数：6
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