| Numéro |
J. Phys. I France
Volume 5, Numéro 7, July 1995
|
|
|---|---|---|
| Page(s) | 771 - 776 | |
| DOI | https://doi.org/10.1051/jp1:1995167 | |
DOI: 10.1051/jp1:1995167
J. Phys. I France 5 (1995) 771-776Evidence for Atomic Hopping of Fe in Perfectly Icosahedral AlfeCu
Quasicrystals by
Gerrit Coddens1, 2, Sandrine Lyonnard1, Bogdan Sepiol3 and Yvonne Calvayrac4
1 Laboratoire Léon Brillouin, C.E.A./C.N.R.S., 91191 Gif-sur-Yvette Cedex, France
2 Neutron Scattering Project, I.I.K.W., University of Antwerp, 2610 Wilrijk, Belgium
3 Institut für Festkörperphysik der Universität Wien, 1090 Wien, Austria
4 C.E.C.M./C.N.R.S., 94407 Vitry Cedex, France
© Les Editions de Physique 1995
J. Phys. I France 5 (1995) 771-776
Evidence for Atomic Hopping of Fe in Perfectly Icosahedral AlfeCu
Quasicrystals by
Fe Mössbauer Spectroscopy
Gerrit Coddens1, 2, Sandrine Lyonnard1, Bogdan Sepiol3 and Yvonne Calvayrac4
1 Laboratoire Léon Brillouin, C.E.A./C.N.R.S., 91191 Gif-sur-Yvette Cedex, France
2 Neutron Scattering Project, I.I.K.W., University of Antwerp, 2610 Wilrijk, Belgium
3 Institut für Festkörperphysik der Universität Wien, 1090 Wien, Austria
4 C.E.C.M./C.N.R.S., 94407 Vitry Cedex, France
(Received 29 March 1995, received in final form and accepted 3 May 1995)
Abstract
By
57Fe Mössbauer spectroscopy in a special experimental set-up we have shown the existence
of Fe atomic jumps in Al
62Fe
25.5Cu
12.5 perfect icosahedral quasicrystals. The
(preliminary) results indicate that at 790
C 20% of the Fe atoms are jumping at a time
scale corresponding to 4
V.
© Les Editions de Physique 1995