super(57)Fe Mossbauer study in RNiBC compounds (R = Er, Ho, Dy, Tb and Gd)

super(57)Fe Mossbauer study in RNiBC compounds (R = Er, Ho, Dy, Tb and Gd)

super(57)Fe Mossbauer effect (ME) experiments have been performed on RNiBC (R = Er, Ho, Dy, Tb, Gd) compounds. Below the magnetic ordering temperatures, T sub(M ), the super(57)Fe ME spectra show a transferred magnetic hyperfine field at the Fe (Ni) site for Tb and Er, but such a field is absent for...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2001-05, Vol.226, p.1162-1164
Hauptverfasser: Sanchez, D R, Baggio-Saitovitch, E M, Trochez, J C, Micklitz, H
Format: Artikel
Sprache:eng
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Zusammenfassung:super(57)Fe Mossbauer effect (ME) experiments have been performed on RNiBC (R = Er, Ho, Dy, Tb, Gd) compounds. Below the magnetic ordering temperatures, T sub(M ), the super(57)Fe ME spectra show a transferred magnetic hyperfine field at the Fe (Ni) site for Tb and Er, but such a field is absent for Ho, Dy and Gd. The T sub(M) for RNiBC do not scale linearly with the de Gennes factor, and the crystal field effects in the different types of magnetic order of these compounds may be responsible for this behavior. copyright 2001 Elsevier Science B.V. All rights reserved.
ISSN:0304-8853