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Antiferromagnetism in semiconducting SrMn2Sb2 and BaMn2Sb2 single crystals

TitleAntiferromagnetism in semiconducting SrMn2Sb2 and BaMn2Sb2 single crystals
Publication TypeJournal Article
Year of Publication2018
AuthorsSangeetha, NS, Smetana, V, Mudring, AV, Johnston, DC
JournalPhysical Review B
Volume97
Pagination014402
Date Published01
Type of ArticleArticle
ISBN Number2469-9950
Accession NumberWOS:000419097800004
Keywordscamn2sb2, Intermetallic compounds, magnetic-properties, mnsb, physical-properties, physics, superconductivity, ternary arsenides
Abstract

H less than or similar to 1 T, whereas BaMn2Sb2 exhibits no metamagnetic transitions up to 5.5 T. The chi(T) and C-p(T) data for SrMn2Sb2 and BaMn2Sb2 indicate strong dynamic short-range AFM correlations above their respective TN up to at least 900 K within a local-moment picture, corresponding to quasi-two-dimensional magnetic behavior. The present results and a survey of the literature for Mn pnictides with the CaAl2Si2 and ThCr2Si2 crystal structures show that the T-N values for the CaAl2Si2-type compounds are much smaller than those for the ThCr2Si2-type materials.

DOI10.1103/PhysRevB.97.014402
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