Anisotropy of Tin Hyperfine Magnetic Field and Spin Reorientation in the UPdSn Metallic Antiferromagnet

Recently it was shown [1] that the hyperfine magnetic field (B sub hf ) for non-magnetic sp atoms in metallic magnets could be highly anisotropic. The anisotropic polarization of the valence electrons arising through hybridization with the electrons of the neighbor magnetic atoms was treated in the...

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Bibliographic Details
Published in:Physica Status Solidi (b) (Germany) 2001-05, Vol.225 (1), p.R1-R2
Main Authors: Delyagin, N.N., Krylov, V.I., Reyman, S.I., Rozantsev, I.N., Ryasny, G.K.
Format: Article
Language:English
Subjects:
75.25.+z
75.50.Ee
76.80+y
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Summary:Recently it was shown [1] that the hyperfine magnetic field (B sub hf ) for non-magnetic sp atoms in metallic magnets could be highly anisotropic. The anisotropic polarization of the valence electrons arising through hybridization with the electrons of the neighbor magnetic atoms was treated in the frameworks of the spin-dipolar approach. Systems in which the alignment of the magnetic moments changes with temperature are particularly well-suited to reveal the anisotropic hyperfine field component. The UPdSn antiferromagnet provides an opportunity to explore the behavior of B sub hf under conditions when isotropic and anisotropic contributions to B sub hf coexist. ] We carried out studies of the hyperfine field for exp 119 Sn in UPdSn by the Mossbauer spectroscopy technique. Mossbauer spectra have been measured over temperature ranges from 5 to 60 K.
ISSN:0370-1972
1521-3951
DOI:10.1002/(SICI)1521-3951(200105)225:13.0.CO;2-#