On the spin freezing in [formula omitted]Mn

We report on measurements of the ac-susceptibility (χ ac) and of the muon spin relaxation (μSR) function in Cu Mn. The peak height of χ ac at the freezing temperature T f shows a strong dependence on the heat treatment of Cu Mn (6 at%) samples. Results are interpreted as a change in the degree of sh...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1986-02, Vol.54, p.119-120
Main Authors: Pinkvos, H., Gygax, F.N., Lippelt, E., Neuhaus, R., Schenck, A., Schwink, Ch, van der Wal, A.J.
Format: Article
Language:English
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Summary:We report on measurements of the ac-susceptibility (χ ac) and of the muon spin relaxation (μSR) function in Cu Mn. The peak height of χ ac at the freezing temperature T f shows a strong dependence on the heat treatment of Cu Mn (6 at%) samples. Results are interpreted as a change in the degree of short range order. From μSR-measurements we deduce a spatial inhomogeneous freezing of Mn spins in the temperature interval 0.8 ⩽ T/ T f ⩽ 1.6 for a variety of Cu Mn samples ( c ⩽ 1.1 at%), whereas for Au Mn (0.84 at%) this interval is much narrower, if it exists at all.
ISSN:0304-8853
DOI:10.1016/0304-8853(86)90513-5