New ternary magnets (Ca, Sr, Ba)14MnBi11

David J. Webb, Traci Y. Kuromoto, Susan M. Kauzlarich

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

The temperature dependence of the magnetization in two new compounds is presented and compared with Ca14MnBi11. One of the new compounds, Sr14MnBi11, orders ferromagnetically and the other, Ba14MnBi11, is an antiferromagnet at low T. The Curie-Weiss constants C and Θ, found above the ordering temperatures, imply that Mn has four unpaired electrons in each compound and that the near neighbor magnetic coupling in each compound is ferromagnetic, even for antiferromagnetic Ba14MnBi11. For each of these compounds the low temperature high field moment is consistent with the Mn having about 2.5 unpaired electrons.

Original languageEnglish (US)
Pages (from-to)71-75
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume98
Issue number1-2
DOIs
StatePublished - 1991

ASJC Scopus subject areas

  • Condensed Matter Physics

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