کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1803728 | 1024627 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Low-temperature ordering of L10 FePt phase in FePt thin film with AgCu underlayer
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Low-temperature ordering of L10 FePt phase in FePt thin film with AgCu underlayer Low-temperature ordering of L10 FePt phase in FePt thin film with AgCu underlayer](/preview/png/1803728.png)
چکیده انگلیسی
FePt (20 nm) films with AgCu (20 nm) underlayer were prepared on thermally oxidized Si (0 0 1) substrates at room temperature by using dc magnetron sputtering, and the films annealed at different temperature to examine the disorder–order transformation of the FePt films. It is found that the ordered L10 FePt phase can form at low annealing temperature. Even after annealing at 300 °C, the in-plane coercivity of 5.2 kOe can be obtained in the film. With increase in annealing temperature, both the ordering degree and coercivity of the films increase. The low-temperature ordering of the films may result from the dynamic stress produced by phase separation in AgCu underlayer and Cu diffusion into FePt phase during annealing.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 320, Issue 19, October 2008, Pages L125–L128
Journal: Journal of Magnetism and Magnetic Materials - Volume 320, Issue 19, October 2008, Pages L125–L128
نویسندگان
Y.S. Yu, Hai-Bo Li, W.L. Li, Mei Liu, W.D. Fei,