Mohan, Ch. V. ; Kaul, S. N. (1992) Critical behavior of magnetization and Gilbert damping parameter in amorphous Fe83-xWxB17 alloys American Institute of Physics Conference Proceedings, 286 (1). pp. 315-317. ISSN 0094-243X
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Related URL: http://dx.doi.org/10.1063/1.44706
Abstract
Asymptotic values of the critical exponents β and γ and amplitudes m0,m0/h0 for spontaneous magnetization, M27 and initial susceptibility, χ0, are determined by the "range-of-fit"scaling-equation-of-state (SES) analysis of the magnetization data, deduced from the ferromagnetic resonance (FMR) spectra taken in the temperature range -0.15≤ε=T-TC/TC≤ 0.15 (TC=Curie temperature) on amorphous (a-) Fe83-XWXB17 alloys with X=5 and 9. The exponent values are same as those predicted for three-dimensional Heisenberg spin system with nearest neighbor interactions. The Gilbert damping parameter λ is temperature-independent and increases with increasing W concentration.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 30029 |
| Deposited On: | 23 Dec 2010 03:41 |
| Last Modified: | 02 Nov 2011 12:31 |
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