Antiferromagnetism of α-Mn and Its Alloys

Abstract
Low-temperature magnetic isotherms of α-Mn and its alloys with Fe, N, and H have been examined. Hysteresis loops and effects of cooling in an applied field are reported. Similar properties are found for single crystals of Cu-Mn. It is pointed out that the spin density wave mechanism of antiferromagnetism, proposed by Overhauser, provides explanations for these phenomena. Neutron diffraction data are reinterpreted and provide further evidence for spin density waves in α-Mn and its alloys.

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