کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1801307 | 1024566 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Numerical simulation of random magnetic anisotropy with solid magnetization grains
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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
Random anisotropy model (RAM) was investigated by means of numerical simulation. Magnetization of magnetically interacting grains with randomly oriented uniaxial anisotropy was calculated using the Landau–Lifshitz–Gilbert equation where the magnetization in a particular grain is assumed to align in the same direction (single spin model). Calculations were carried out for 10×10×10 three dimensional cells changing cell sizes from 5 to 25 nm. The relation between coercive forces and grain sizes was obtained to be HC∼D5.7HC∼D5.7 from the simulated magnetization curves. This result fits the primitive theory HC∼D6HC∼D6 and the experimental results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 323, Issue 1, January 2011, Pages 28–31
Journal: Journal of Magnetism and Magnetic Materials - Volume 323, Issue 1, January 2011, Pages 28–31
نویسندگان
S.-J. Lee, S. Sato, H. Yanagihara, E. Kita, C. Mitsumata,