Spin wave amplification in ferromagnetic
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M. D. Coutinho Filho; L. C. M. Miranda; S. M. Rezende
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Article
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1973
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John Wiley and Sons
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English
β 369 KB
## Abstract The damping coefficient of magnons interacting βwith drifting carriers in ferromagnetics semiconductors for both __k l > 1 and k l < 1__ regimes is calculated. It is shown that for CdCr~2~Se~4~ the amplification factor can be of the order or greater than the losses of spin waves due to