The effects of Cu doping on crystalline structure and magnetic properties of SmCo5-xCux thin films grown on Ru (0002)

被引：9
|
作者：
Yin, S. Q. [1 ,2 ,3 ]
Wang, H. [2 ,3 ]
Zhao, H. B. [2 ,3 ]
Jiang, Y. [1 ]
Wang, J. P. [2 ,3 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[2] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
[3] Univ Minnesota, Ctr Micromagnet & Informat Technol MINT, Minneapolis, MN 55455 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 21期
关键词：
SM-CO FILMS; ANISOTROPY; DENSITY; MICROSTRUCTURE;
D O I：
10.1063/1.4833558
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, we successfully utilized Ru (0002) textured film as underlayer for epitaxial growth of the highly (0001) textured SmCo5-xCux thin films with perpendicular anisotropy. Effects of Cu doping on the crystalline structure and magnetic properties of SmCo5-xCux thin films were investigated. With the increase of the Cu proportion, the Curie temperature (T-C) of SmCo5-xCux thin films is largely decreased. The ultra-high anisotropy and adjustable T-C indicate that Sm(Co,Cu)(5) magnetic film, which is thermally stable at room temperature and writable at an appropriate high temperature, could be a potential choice of heat assisted magnetic recording media materials. (C) 2013 AIP Publishing LLC.
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页数：3
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