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Magnetostriction and other magnetic properties of Co-Ni based amorphous alloys |
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| Affiliation: | 1. School of Physics, China University of Mining and Technology, Xuzhou 221116, People''s Republic of China;2. State Key Laboratory for Geomechanics and Deep Underground Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, People''s Republic of China |
| Abstract: | The magnetostriction coefficients λs of (Co1−xNix)75Si15B10 amorphous alloys have been determined in the range 0 ⩽ x ⩽ 0.41. The dependence of the magnetostriction on temperature T has been related to that of the magnetic polarization Js in a phenomenological way as λs(T) = α[Js(T)]3 + β[Js(T)]2. The compositional dependence of the coefficients α and β has been obtained.From the studies of the magnetostriction in the region close to the Curie temperature it has been possible to evaluate the magnetostriction critical exponent K. |
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