Composition influence on the microstructures and magnetic properties of FePt thin films

The Fex Pt 100x （10nm） （x=31–51） thin films are fabricated on Si （100） substrates by using magnetron sputtering. The highly ordered L1 0 FePt phase is obtained after post-annealing at 700℃in Fe 47 Pt 53 thin film. The sample shows good perpendicular anisotropy with a square loop and a linear loop in...

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Published inChinese physics B Vol. 22; no. 4; pp. 452 - 454
Main Author 刘立旺 党红刚 盛伟 王颖 曹江伟 白建民 魏福林
Format Journal Article
LanguageEnglish
Published 01.04.2013
Subjects
Ferrous alloys
Intermetallics
Iron compounds
Magnetic domains
Magnetic properties
Microstructure
Platinum compounds
Silicon substrates
Si（100）
Thin films
垂直各向异性
微观结构
成分
磁学性质
磁控溅射
铁
铂薄膜
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/22/4/047503

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Summary:The Fex Pt 100x （10nm） （x=31–51） thin films are fabricated on Si （100） substrates by using magnetron sputtering. The highly ordered L1 0 FePt phase is obtained after post-annealing at 700℃in Fe 47 Pt 53 thin film. The sample shows good perpendicular anisotropy with a square loop and a linear loop in the out-of-plane and the in-plane direction, respectively. The variations of the magnetic domains are investigated in the films when the content value of Fe changes from 31% to 51%.
Bibliography:Liu Li-Wang, Dang Hong-Gang, Sheng Wei, Wang Ying, Cao Jiang-Wei , Bai Jian-Min, Wei Fu-Lin（ Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, China）
FePt; coercivity; composition; magnetic domain
11-5639/O4
The Fex Pt 100x （10nm） （x=31–51） thin films are fabricated on Si （100） substrates by using magnetron sputtering. The highly ordered L1 0 FePt phase is obtained after post-annealing at 700℃in Fe 47 Pt 53 thin film. The sample shows good perpendicular anisotropy with a square loop and a linear loop in the out-of-plane and the in-plane direction, respectively. The variations of the magnetic domains are investigated in the films when the content value of Fe changes from 31% to 51%.
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/4/047503