The final publication is available via <a href="https://doi.org/10.1016/j.jallcom.2017.05.017" target="_blank">https://doi.org/10.1016/j.jallcom.2017.05.017</a>.
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dc.description.abstract
We have studied structural properties of La3Ni2B2N3−δ samples with distinctly different values of the superconducting transition temperature by means of powder neutron diffractometry and specific heat measurements. The refinement of lattice site occupations reveals full occupations for all sites in the La3Ni2B2N3 structure with space group I4/mmm except for nitrogen site N(2). For samples with Tc = 13.0 K and 13.7 K we obtain for the N(2) site distinctly different occupation factors of 0.90 and 0.93, respectively. The latter confirms a direct relation between the nitrogen stoichiometry and the superconducting transition temperature. Based on the analysis of temperature dependent lattice parameters, atomic displacement factors, lattice heat capacity data and ab initio phonon density of states calculations we discuss the thermal expansion and vibrational properties of superconducting La3Ni2B2N3−δ.
en
dc.language
English
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dc.language.iso
en
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dc.publisher
Elsevier B.V.
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dc.relation.ispartof
Journal of Alloys and Compounds
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dc.rights.uri
http://creativecommons.org/licenses/by-nc-nd/4.0/
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dc.subject
Superconducting materials
en
dc.subject
Rare earth compounds
en
dc.subject
Crystal structure
en
dc.subject
Thermodynamic properties
en
dc.subject
La3Ni2B2N3−δ
en
dc.title
Neutron diffraction study of superconducting La3Ni2B2N3−δ
en
dc.type
Article
en
dc.type
Artikel
de
dc.rights.license
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
en
dc.rights.license
Creative Commons Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International
de
dc.contributor.affiliation
Institut Laue-Langevin, Grenoble, France
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dc.description.startpage
251
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dc.description.endpage
258
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dc.rights.holder
2017 Elsevier
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dc.type.category
Original Research Article
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tuw.container.volume
716
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tuw.journal.peerreviewed
true
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tuw.peerreviewed
true
-
tuw.version
am
-
wb.publication.intCoWork
International Co-publication
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dcterms.isPartOf.title
Journal of Alloys and Compounds
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tuw.publication.orgunit
E138 - Institut für Festkörperphysik
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tuw.publisher.doi
10.1016/j.jallcom.2017.05.017
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dc.identifier.eissn
1873-4669
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dc.identifier.libraryid
AC15623219
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dc.identifier.urn
urn:nbn:at:at-ubtuw:3-9649
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tuw.author.orcid
0000-0002-1423-3265
-
tuw.author.orcid
0000-0003-1642-5946
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dc.rights.identifier
CC BY-NC-ND 4.0
en
dc.rights.identifier
CC BY-NC-ND 4.0
de
wb.sci
true
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item.openaccessfulltext
Open Access
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item.cerifentitytype
Publications
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item.cerifentitytype
Publications
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item.openairecristype
http://purl.org/coar/resource_type/c_18cf
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item.openairecristype
http://purl.org/coar/resource_type/c_18cf
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item.fulltext
with Fulltext
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item.grantfulltext
open
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item.languageiso639-1
en
-
item.openairetype
Article
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item.openairetype
Artikel
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crisitem.author.dept
E057-09 - Fachbereich VSC Research Center
-
crisitem.author.dept
Institut Laue-Langevin, Grenoble, France
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crisitem.author.dept
E138-03 - Forschungsbereich Functional and Magnetic Materials
