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Lattice dynamics and structure of GeTe, SnTe and PbTe
Pereira, Paula Bauer; Sergueev, Ilya; Gorsse, Stephane et al.
2013In Physica Status Solidi B. Basic Research, 250 (7), p. 1300-1307
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Abstract :
[en] The lattice dynamics in the IV-VI compounds GeTe, SnTe and PbTe were studied by Te-125 and Sn-119 nuclear inelastic scattering and the obtained partial density of phonon states were compared with published theoretical calculations. The phase purity and structure were characterized by high energy X-ray diffraction. The effect of the atomic arrangement, rhombohedral for GeTe and cubic for SnTe and PbTe, is visible in the density of phonon states. Vibrational properties are found to be in good agreement with available calculated data and the softer character of the NaCl-type structures in comparison with the rhombohedral GeTe is confirmed. (C) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Disciplines :
Physics
Author, co-author :
Pereira, Paula Bauer
Sergueev, Ilya
Gorsse, Stephane
Dadda, Jayaram
Mueller, Eckhard
Hermann, Raphaël ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Language :
English
Title :
Lattice dynamics and structure of GeTe, SnTe and PbTe
Publication date :
2013
Journal title :
Physica Status Solidi B. Basic Research
ISSN :
0370-1972
eISSN :
1521-3951
Publisher :
John Wiley & Sons, United Kingdom
Volume :
250
Issue :
7
Pages :
1300-1307
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 February 2014

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