A.P. Malozemoff, J.C. Deluca
Applied Physics Letters
Paper
Standing spin waves observed by Brillouin scattering in amorphous metallic Fe80B20 films
Abstract
We report the first observation of standing spin-wave modes by means of Brillouin light scattering in thin sputtered films of amorphous metallic Fe80B20. Results agree with a classical theory and permit determination of spin-wave stiffness D=(1.4±0.2)×10-9 Oe cm2. The value of D is twice as large as that obtained from low-temperature magnetization measurements. © 1979 The American Physical Society.
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