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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2006     Display Documents



  history
ID: 305991.0, MPI für Festkörperforschung / FKF Publikationen 2006
Structural, thermal and magnetic properties of ErMn2D6 synthesized under high deuterium pressure
Authors:Paul-Boncour, V.; Filipek, S. M.; André, G.; Bourée, F.; Guillot, M.; Wierzbicki, R.; Marchuk, I.; Liu, R. S.; Villeroy, B.; Percheron-Guégan, A.; Yang, H. D.; Pin, S. C.
Language:English
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Journal of Physics: Condensed Matter
Volume:18
Issue / Number:27
Start Page:6409
End Page:6420
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:A new phase of ErMn2D6 has been prepared by applying high hydrogen
pressure on C14 ErMn2. This phase is isostructural to YMn2D6 and
crystallizes with a K2PtCl6 type structure having an ordered anion and
a partially disordered cation arrangement as Er and half the Mn atoms
are randomly substituted in the same 8c site. This hydride is very
stable and decomposes into ErD2 and Mn at about 630 K. The reverse
susceptibility follows a Curie - Weiss law with an effective moment of
10 mu(B) similar to that of ErMn2. Although a saturation magnetization
of 5 mu(B) is measured at 4.2 K, smaller than that of ErMn2 (8 mu(B)),
no long range magnetic order is observed in the neutron patterns. Short
range magnetic order, corresponding to both ferromagnetic and
antiferromagnetic correlations, is observed in the neutron patterns up
to 5 K. The chemical disorder of Er and Mn atoms on the 8c site should
prevent the long range magnetic order and favour a distribution of Er
spin orientation.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Festkörperforschung
External Affiliations:CNRS, Lab Chim Met Terres Rares, F-94320 Thiais, France.
; Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland.
; CEA Saclay, CNRS, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France.
; CNRS, MPI, LCMI, F-38042 Grenoble, France.
; Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan.
; Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 804, Taiwan.
Identifiers:ISI:000238612900025 [ID No:1]
ISSN:0953-8984 [ID No:2]
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