Synchrotron X-ray study of the epitaxial Co/Pt multilayers on Al2O3(11(2)over-bar-0) substrates with Pt/Mo buffer layers

被引:3
作者
Lee, CH
Wu, LC
Yu, KL
Huang, JCA
Jan, JC
Cheng, PY
机构
[1] Natl Tsing Hua Univ, Dept Engn & Syst Sci, Hsinchu 30043, Taiwan
[2] Natl Tsing Hua Univ, Nucl Reactor Div, Nucl Sci & Technol Dev Ctr, Hsinchu 30043, Taiwan
[3] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan
关键词
grazing incidence X-ray scattering; X-ray absorption spectroscopy; Co/Pt multilayer; perpendicular magnetic anisotropy;
D O I
10.1016/S0921-4526(99)01916-X
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
In this study, epitaxial [Co(t nm)/Pt(1 nm)](30) multilayer samples (t = 1, 0.5, 0.4, 0.3, 0.25 and 0.2 nm) were studied using X-ray measurements. The samples were prepared on Pt(1 1 1)/Mo(1 1 0) buffered Al2O3(1 1 (2) over bar 0) substrates in the MBE chamber. It was found that the Pt layer in the multilayer has a compressible strain of about 2-3.5% along the in-plane direction and the saturation magnetization is roughly proportional to this strain. Polarized X-ray absorption spectroscopy study showed that the Co layer is more like an FCC pseudomorphic structure for Co thickness less than 0.5 nm. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:153 / 156
页数:4
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