Stiffness constant measurement in NiFe alloys by neutron inelastic scattering |
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| Authors: | M. Hennion B. Hennion A. Castets D. Tocchetti |
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| Affiliation: | Service de Physique du Solide et de Résonance Magnétique et Laboratoire Léon Brillouin, Centre d''Etudes Nucléaires de Saclay, BP No. 2, 91190 Gif-sur-Yvette, France;Institut Laue-Langevin, Cedex 156, 38042 Grenoble-Gare, France |
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| Abstract: | Stiffness constant D has been measured in Ni-Fe alloys in a concentration range up to 68% of iron by neutron inelastic scattering, at room temperature and low temperature. Stiffness constant D decreases more strongly in the range of 60–68% iron concentration and a noticeable enhancement of the spin-wave width occurs in that region. |
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