| Issue |
Europhys. Lett.
Volume 54, Number 6, June II 2001
|
|
|---|---|---|
| Page(s) | 807 - 812 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2001-00325-6 | |
| Published online | 01 December 2003 | |
Pressure-induced long-range magnetic order in the frustrated
Laves hydride 
1
Laboratoire Léon Brillouin, CEA-CNRS, CE Saclay - 91191
Gif-sur-Yvette, France
2
Russian Research Center Kurchatov Institute - 123182,
Moscow, Russia
Received:
4
January
2001
Accepted:
5
April
2001
We have performed a neutron diffraction study of the magnetic order in the frustrated Laves hydride Tb(Mn0.88Al0.12)2D1.04 under applied pressures up to 8.3 GPa. At 5.9 GPa we observed a first-order magnetic transition accompanied by a volume collapse. The pressure destroys the unusual hydrogen-induced spin-glass magnetic state by suppressing localized magnetic moments in the frustrated Mn sublattice.
PACS: 75.25.+z – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source X-ray scattering, etc.) / 75.50.Lk – Spin glasses and random magnets / 61.12.Ld – Single crystal and powder diffraction
© EDP Sciences, 2001
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