Neutron studies of "forbidden" magnons in Pt3Mn: A three-dimensional metallic ferromagnet

W. H. Li, C. H. Perry, J. B. Sokoloff

研究成果: 雜誌貢獻期刊論文同行評審

摘要

Polarized neutron measurements are presented which show clearly that "forbidden" and allowed magnons exist as underdamped excitations both below and above TC in the three-dimensional metallic ferromagnet, Pt3Mn. A model of magnons propagating through a crystal containing a 360° magnetization twist is studied, which indicates that "forbidden" magnons can exist if the range of the short range order is at least four lattice constants long, which is consistent with our experimental results and Edwards's estimates.

原文???core.languages.en_GB???
頁(從 - 到)743-747
頁數5
期刊Solid State Communications
64
發行號5
DOIs
出版狀態已出版 - 11月 1987

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