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Pressure-induced half-collapsed-tetragonal phase in CaKFe4As4

TitlePressure-induced half-collapsed-tetragonal phase in CaKFe4As4
Publication TypeJournal Article
Year of Publication2017
AuthorsKaluarachchi, US, Taufour, V, Sapkota, A, Borisov, V, Kong, T, Meier, WR, Kothapalli, K, Ueland, BG, Kreyssig, A, Valenti, R, McQueeney, RJ, Goldman, AI, Bud'ko, SL, Canfield, PC
JournalPhysical Review B
Volume96
Pagination140501
Date Published10
Type of ArticleArticle
ISBN Number2469-9950
Accession NumberWOS:000412029200001
Keywordsaugmented-wave method, bafe2as2, basis-set, dependence, gpa, metals, pb, physics, superconductivity, total-energy calculations
Abstract

= 12GPa. These findings demonstrate a different type of collapsed tetragonal phase in CaKFe4As4 as compared to CaFe2As2: a half-collapsed tetragonal phase.

DOI10.1103/PhysRevB.96.140501
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