Magnetic excitations around magnetic Brillouin zone centre in antiferromagnetic Mn(13.7%Ni) alloy
作者： J Jankowska-Kisielinska , K Mikke , J J Milczarek
DOI: 10.1088/0953-8984/9/48/018
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摘要: Our studies of the itinerant antiferromagnetic -Mn-based alloys are extended to investigate magnetic excitations in a Mn(13.7%Ni) alloy. The composition present sample being close part phase diagram where number structural transitions take place, basic aim this work is search for effect these on spin dynamics. This first study Mn - Ni alloy fct (c a) and fcc phases. We obtain concentration dependence low-temperature parameters wave dispersion relation which differs essentially from that found Fe alloys. In particular change vicinity remarkable.
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