کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8158594 | 1524880 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Neutron diffraction study on the magnetic structure of Fe2P-based Mn0.66Fe1.29P1âxSix melt-spun ribbons
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
We report on the magnetic and structural properties of Mn0.66Fe1.29P1âxSix melt-spun ribbons with 0.34â¤xâ¤0.42 that are promising candidates for high-temperature magnetocaloric applications. A magnetic moment of up to 4.57 μB/f.u. for x=0.34 indicates high magnetic density in the system, which is certainly advantageous for the magnetocaloric effects. Introducing site disorder at the 3g site by replacing 1/3 of Fe with Mn appears to enhance the magnetic interaction, while the strong magnetoelastic coupling is maintained. This site disorder also shows a stabilizing effect on the hexagonal crystal structure, which is maintained to a high Si content. The moment alignment within the crystallographic unit cell is also affected when the Si content is increased from x=0.34 to 0.42 in the Mn0.66Fe1.29P1âxSix compounds as the canting angle with respect to the c-direction increases.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 340, August 2013, Pages 80-85
Journal: Journal of Magnetism and Magnetic Materials - Volume 340, August 2013, Pages 80-85
نویسندگان
Z.Q. Ou, L. Zhang, N.H. Dung, L. van Eijck, A.M. Mulders, M. Avdeev, N.H. van Dijk, E. Brück,