کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10709875 | 1024537 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Volume and structural study of Fe64Mn36 anti-ferromagnetic Invar alloy under high pressure
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
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چکیده انگلیسی
⺠We have investigated the pressure variation of volume and structure of FCC Fe64Mn36 alloy. ⺠We discovered that the change in inclination of the pressure-volume (P-V) curve of the FCC structure becomes discontinuous at a pressure of 4 GPa. This pressure corresponds to the Neel temperature, which decreases down to room temperature. ⺠Further we estimated bulk modulus and volume at zero pressure using the Birch-Murnaghan equation of state. As a result, we have demonstrated that anti-ferromagnetism has very close relationship with the bulk modulus and lattice volume. Moreover we discuss relationship between pressure-induced structural transition from FCC to HCP and magnetism. ⺠Our research is demonstrated with magneto-volume coupling of anti-ferromagnetic Fe-based alloy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 323, Issue 6, March 2011, Pages 838-841
Journal: Journal of Magnetism and Magnetic Materials - Volume 323, Issue 6, March 2011, Pages 838-841
نویسندگان
M. Matsushita, S. Nakano, H. Ohfuji, I. Yamada, T. Kikegawa,