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Lattice dynamics and structure of GeTe, SnTe and PbTe

Bauer Pereira, Paula and Serguev, Ilya and Gorsse, Stéphane and Dadda, Jayaram and Müller, Eckhard and Hermann, Raphael P. (2013) Lattice dynamics and structure of GeTe, SnTe and PbTe. Physica Status Solidi B-Basic Solid State Physics, 250 (7), pp. 1300-1307. Wiley. DOI: 10.1002/pssb.201248412 ISSN 0370-1972

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Abstract

The lattice dynamics in the IV–VI compounds GeTe, SnTe and PbTe were studied by 125Te and 119Sn 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.

Item URL in elib:https://elib.dlr.de/85810/
Document Type:Article
Title:Lattice dynamics and structure of GeTe, SnTe and PbTe
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bauer Pereira, PaulaPeter Grünberg Institut and Jülich Centre for Neutron Science, JARA-FIT, Forschungszentrum Jülich GmbH, D-52425 Jülich, GermanyUNSPECIFIED
Serguev, IlyaEuropean Synchrotron Radiation Facility, F-38043 Grenoble Cedex, FranceUNSPECIFIED
Gorsse, StéphaneCNRS, Université de Bordeaux, ICMCB, F-33608 Pessac Cedex, FranceUNSPECIFIED
Dadda, JayaramGerman Aerospace Center, Institute of Materials Research, Köln, GermanyUNSPECIFIED
Müller, EckhardGerman Aerospace Center, Institute of Materials Research, Köln, GermanyUNSPECIFIED
Hermann, Raphael P.Peter Grünberg Institut and Jülich Centre for Neutron Science, JARA-FIT, Forschungszentrum Jülich GmbH, D-52425 Jülich, GermanyUNSPECIFIED
Date:July 2013
Journal or Publication Title:Physica Status Solidi B-Basic Solid State Physics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:250
DOI :10.1002/pssb.201248412
Page Range:pp. 1300-1307
Publisher:Wiley
ISSN:0370-1972
Status:Published
Keywords:chalcogenides; phonons; structure; sound velocity
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Turbine Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Thermoelectric Materials and Systems
Deposited By: Zabrocki, Dr. Knud
Deposited On:27 Nov 2013 14:29
Last Modified:06 Sep 2019 15:21

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