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Nematic fluctuations and phase transitions in LaFeAsO: A Raman scattering study

TitleNematic fluctuations and phase transitions in LaFeAsO: A Raman scattering study
Publication TypeJournal Article
Year of Publication2017
AuthorsKaneko, UF, Gomes, PF, Garcia-Flores, AF, Yan, JQ, Lograsso, TA, Barberis, GE, Vaknin, D, Granado, E
JournalPhysical Review B
Volume96
Pagination014506
Date Published07
Type of ArticleArticle
ISBN Number2469-9950
Accession NumberWOS:000405183000005
Keywordsfese, iron-based superconductors, physics
Abstract

ported shear modulus with the T dependence of the QEP height rather than the QEP area indicates that magnetic degrees of freedom drive the structural transition. The large separation between T-S and T-AFM in LaFeAsO compared to BaFe2As2 manifests itself in slower dynamics of nematic fluctuations in the former.

DOI10.1103/PhysRevB.96.014506
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