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

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

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)743-747
Number of pages5
JournalSolid State Communications
Issue number5
StatePublished - Nov 1987


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