Wave-vector dependence of spin-wave line-width in yttrium iron garnets |
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Authors: | OM Prakash CM Srivastava |
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Affiliation: | (1) Radar Project Centre, Indian Institute of Technology, 400 076 Powai, Bombay, India |
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Abstract: | The wave-vector dependence of the spin-wave line-width in yttrium iron garnets has been studied for samples of grain diameter varying from 1·2µm to 12µm. An expression for the spin-wave line-width as a function of wave-vector and grain diameter has been obtained, which agrees satisfactorily with experiment. |
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Keywords: | wave-vector spin wave yttrium iron garnets |
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