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Article: Crystal structure, thermal expansion and magnetic properties of Nd2Cu0.8Ge3 compound

TitleCrystal structure, thermal expansion and magnetic properties of Nd2Cu0.8Ge3 compound
Authors
KeywordsC. X-raydiffraction
D. Crystalstructure
D. Thermalexpansion
Issue Date2012
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jpcs
Citation
Journal of Physics and Chemistry of Solids, 2012, v. 73 n. 9, p. 1191-1195 How to Cite?
AbstractA new ternary intermetallic compound, Nd 2Cu 0.8Ge 3, was synthesized and its crystal structure was determined by Rietveld refinement of X-ray powder diffraction data. The Nd 2Cu 0.8Ge 3 compound crystallizes in space group I4 1/amd (No. 141), with a tetragonal a-ThSi 2 structure type, and a=0.41783(2) nm, c=1.43689(9) nm, Z=2 and D calc=7.466 g/cm 3. Using the high temperature powder X-ray diffraction (HTXRD) technique, the lattice thermal expansion behavior of the compound was investigated in the temperature range of 298-648 K, and the result shows that its unit-cell parameters increased anisotropically when temperature increased. The magnetic susceptibility measured in the temperature range of 5-300 K indicated antiferromagnetic order of Nd 2Cu 0.8Ge 3 at low temperatures, and the magnetic susceptibility can be well described over the range of 50-300 K using Curie-Weiss law. The calculated effective magnetic moment (μ eff) is 3.53 μ B and dominated by the contribution of the Nd 3+ ions. © 2012 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150671
ISSN
2015 Impact Factor: 2.048
2015 SCImago Journal Rankings: 0.639
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLu, Xen_US
dc.contributor.authorZeng, Len_US
dc.contributor.authorShih, Ken_US
dc.date.accessioned2012-06-26T06:06:38Z-
dc.date.available2012-06-26T06:06:38Z-
dc.date.issued2012en_US
dc.identifier.citationJournal of Physics and Chemistry of Solids, 2012, v. 73 n. 9, p. 1191-1195en_US
dc.identifier.issn0022-3697en_US
dc.identifier.urihttp://hdl.handle.net/10722/150671-
dc.description.abstractA new ternary intermetallic compound, Nd 2Cu 0.8Ge 3, was synthesized and its crystal structure was determined by Rietveld refinement of X-ray powder diffraction data. The Nd 2Cu 0.8Ge 3 compound crystallizes in space group I4 1/amd (No. 141), with a tetragonal a-ThSi 2 structure type, and a=0.41783(2) nm, c=1.43689(9) nm, Z=2 and D calc=7.466 g/cm 3. Using the high temperature powder X-ray diffraction (HTXRD) technique, the lattice thermal expansion behavior of the compound was investigated in the temperature range of 298-648 K, and the result shows that its unit-cell parameters increased anisotropically when temperature increased. The magnetic susceptibility measured in the temperature range of 5-300 K indicated antiferromagnetic order of Nd 2Cu 0.8Ge 3 at low temperatures, and the magnetic susceptibility can be well described over the range of 50-300 K using Curie-Weiss law. The calculated effective magnetic moment (μ eff) is 3.53 μ B and dominated by the contribution of the Nd 3+ ions. © 2012 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jpcsen_US
dc.relation.ispartofJournal of Physics and Chemistry of Solidsen_US
dc.subjectC. X-raydiffractionen_US
dc.subjectD. Crystalstructureen_US
dc.subjectD. Thermalexpansionen_US
dc.titleCrystal structure, thermal expansion and magnetic properties of Nd2Cu0.8Ge3 compounden_US
dc.typeArticleen_US
dc.identifier.emailLu, X: xingwen@hku.hken_US
dc.identifier.emailShih, K: kshih@hkucc.hku.hk-
dc.identifier.authorityShih, K=rp00167en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.jpcs.2012.04.015en_US
dc.identifier.scopuseid_2-s2.0-84862571748-
dc.identifier.hkuros205540-
dc.identifier.volume73-
dc.identifier.issue9-
dc.identifier.spage1191-
dc.identifier.epage1195-
dc.identifier.isiWOS:000307035200026-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridShih, K=14072108900en_US
dc.identifier.scopusauthoridZeng, L=55206022700en_US
dc.identifier.scopusauthoridLu, X=34168040600en_US
dc.identifier.citeulike10795977-

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