کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8155711 | 1524826 | 2015 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Search for fully compensated ferrimagnet in Co substituted Mn2VGa alloy
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Crystallographic and magnetic properties of bulk (Mn1âxCox)2VGa alloys with 0â¤xâ¤0.50 are reported in this work. All the alloys exhibit stable L21 structure. Unit cell volume of this series of alloys decreased from 207.5 Ã
3 to 195.1Â Ã
3 as x was increased from 0 to 0.50. All the alloys shows ferrimagnetic behavior with Curie temperature decreasing from 763 K to 367 K with increase in x. Saturation magnetization (Ms) measured for the alloys with x=0, 0.25 and 0.50 are 1.84 μB/f.u., 0.85 μB/f.u. and 0.30 μB/f.u., respectively, as compared to the values of 2.00 μB/f.u., 1.00 μB/f.u. and 0 μB/f.u., predicted by the Slater-Pauling (S-P) rule. While explaining the deviations in the Ms from the values predicted by the S-P rule, a fully compensated ferrimagnet is expected in an alloy with total number of valance electrons of 24.1.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 395, 1 December 2015, Pages 240-244
Journal: Journal of Magnetism and Magnetic Materials - Volume 395, 1 December 2015, Pages 240-244
نویسندگان
Bhargab Deka, R.K. Singh, A. Srinivasan,