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Article: Raman scattering in superconducting NdO1-xFxBiS2crystals

TitleRaman scattering in superconducting NdO<inf>1-x</inf>F<inf>x</inf>BiS<inf>2</inf>crystals
Authors
Keywordssuperconductive mechanism
electron-phonon coupling
Raman scattering
Issue Date2015
Citation
Superconductor Science and Technology, 2015, v. 29, n. 1 How to Cite?
Abstract© 2016 IOP Publishing Ltd. The recently discovered layered BiS 2 -based superconductors are of great interest due to their structural similarity to cuprate and iron-pnictide superconductors. We performed Raman scattering measurements on two superconducting crystals NdO 0.5 F 0.5 BiS 2 (T c = 4.5 K) and NdO 0.7 F 0.3 BiS 2 (T c = 4.8 K). We assigned observed Raman phonon modes with the aid of first-principles calculations. The asymmetric phonon mode around 118 cm -1 reveals a small electron-phonon coupling constant λ ∼ 0.16, which is insufficient to generate superconductivity at ∼4.5 K.
Persistent Identifierhttp://hdl.handle.net/10722/254551
ISSN
2019 Impact Factor: 3.067
2015 SCImago Journal Rankings: 0.824
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTian, Yong-
dc.contributor.authorZhang, Anmin-
dc.contributor.authorLiu, Kai-
dc.contributor.authorJi, Jianting-
dc.contributor.authorLiu, Jianzhong-
dc.contributor.authorZhu, Xiyu-
dc.contributor.authorWen, Hai Hu-
dc.contributor.authorJin, Feng-
dc.contributor.authorMa, Xiaoli-
dc.contributor.authorHe, Rui-
dc.contributor.authorZhang, Qing Ming-
dc.date.accessioned2018-06-19T15:40:51Z-
dc.date.available2018-06-19T15:40:51Z-
dc.date.issued2015-
dc.identifier.citationSuperconductor Science and Technology, 2015, v. 29, n. 1-
dc.identifier.issn0953-2048-
dc.identifier.urihttp://hdl.handle.net/10722/254551-
dc.description.abstract© 2016 IOP Publishing Ltd. The recently discovered layered BiS 2 -based superconductors are of great interest due to their structural similarity to cuprate and iron-pnictide superconductors. We performed Raman scattering measurements on two superconducting crystals NdO 0.5 F 0.5 BiS 2 (T c = 4.5 K) and NdO 0.7 F 0.3 BiS 2 (T c = 4.8 K). We assigned observed Raman phonon modes with the aid of first-principles calculations. The asymmetric phonon mode around 118 cm -1 reveals a small electron-phonon coupling constant λ ∼ 0.16, which is insufficient to generate superconductivity at ∼4.5 K.-
dc.languageeng-
dc.relation.ispartofSuperconductor Science and Technology-
dc.subjectsuperconductive mechanism-
dc.subjectelectron-phonon coupling-
dc.subjectRaman scattering-
dc.titleRaman scattering in superconducting NdO<inf>1-x</inf>F<inf>x</inf>BiS<inf>2</inf>crystals-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0953-2048/29/1/015007-
dc.identifier.scopuseid_2-s2.0-84949459286-
dc.identifier.volume29-
dc.identifier.issue1-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.eissn1361-6668-
dc.identifier.isiWOS:000366377500010-

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