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- W3141568008 abstract "The dispersion relation of spin wave in Fe_3Si at 14 K has been measured by inelastic coherent neutron scattering. The spin wave stiffness constant D_0, which is obtained experimentally from quadratic dispersion of spin wave, equals 270 meV A~2. A calculation of effective exchange integral J_(eff) has been done in the frame of Heisenberg model. From the temperature dependence of magnetization, a spin wave stiffness constant Dm(0) can be derived also. There is an indication of the existence of Stoner excitations from a comparison of D0 and Dm(0). The temperature dependence of spin wave stiffness constant is also gaven." @default.
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- W3141568008 date "1987-01-01" @default.
- W3141568008 modified "2023-09-22" @default.
- W3141568008 title "A STUDY OF SPIN WAVE IN Fe_3Si AT LOW TEMPERATURE" @default.
- W3141568008 hasPublicationYear "1987" @default.
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