کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9837429 | 1525276 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electronic structure and magnetic properties of ordered Fe1âxNix and Fe1âx Cox alloys
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
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چکیده انگلیسی
The electronic structure and magnetism of ordered Fe1âxNix and Fe1âxCox alloys were calculated by using the first-principles linearized augmented plane-wave (LAPW) method with the local spin density approximation (LSDA). The results indicate that the magnetic properties of both Fe1âxNix and Fe1âxCox are sensitive to their compositions as well as their structures. The FCC structured Fe1âxNix alloys with x=0, 0.5, 0.75, 1 are ferromagnetic ordered, while Fe1âxNix at x=0.25 is ferrimagnetic ordered. For both BCC and FCC structured Fe1âxCox alloys, however, they present ferromagnetic ordering in all compositions. With the increase of Fe compositions for Fe1âxCox, the average magnetic moments increase abruptly and then decrease smoothly, which is in good agreement with experimental results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 367, Issues 1â4, 1 October 2005, Pages 61-71
Journal: Physica B: Condensed Matter - Volume 367, Issues 1â4, 1 October 2005, Pages 61-71
نویسندگان
Y. Yang, C. Jing, J.G. Yang, S.X. Cao, J.C. Zhang,