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Suppression of magnetic order in CaCo1.86As2 with Fe substitution: Magnetization, neutron diffraction, and x-ray diffraction studies of Ca(Co1-xFex)(y)As-2

TitleSuppression of magnetic order in CaCo1.86As2 with Fe substitution: Magnetization, neutron diffraction, and x-ray diffraction studies of Ca(Co1-xFex)(y)As-2
Publication TypeJournal Article
Year of Publication2017
AuthorsJayasekara, WT, Pandey, A, Kreyssig, A, Sangeetha, NS, Sapkota, A, Kothapalli, K, Anand, VK, Tian, W, Vaknin, D, Johnston, DC, McQueeney, RJ, Goldman, AI, Ueland, BG
JournalPhysical Review B
Volume95
Pagination064425
Date Published02
Type of ArticleArticle
ISBN Number2469-9950
Accession NumberWOS:000394658000002
Keywordsbafe2as2, breaking, crystal, high-temperature superconductivity, iron, phosphides caco2p2, physics, structure, ternary arsenides, thcr2si2, transition
Abstract

= 0.25, nor does ferromagnetic order for x up to at least x = 0.104, and a smooth crossover from the collapsed-tetragonal (cT) phase of CaCo1.86As2 to the tetragonal (T) phase of CaFe2As2 occurs. These results suggest that hole doping CaCo1.86As2 has a less dramatic effect on the magnetism and structure than steric effects due to substituting Sr for Ca.

DOI10.1103/PhysRevB.95.064425
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Alternate JournalPhys. Rev. B