Crystal structure, chemical bonding, and physical properties of layered AIrSn2 (A = Sr and Ba)

Madalynn Marshall, Lingyi Xing, Zuzanna Sobczak, Joanna Blawat, Tomasz Klimczuk, Rongying Jin, Weiwei Xie

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We report the experimental and theoretical investigation of structure, chemical bonding interactions, and physical properties of new ternary stannides AIrSn2 (A = Sr and Ba). AIrSn2 (A = Sr and Ba) crystallizes in the orthorhombic Re3B-type structure with the space group Cmcm (No. 64). According to single-crystal X-ray diffraction results, the structure of AIrSn2 (A = Sr and Ba) can be considered as a Zintl-type compound with heterogeneous polyanionic [IrSn2]2− and A2+. The specific heat down to 1.8 K shows no evidence for bulk superconductivity in either SrIrSn2 or BaIrSn2. Electronic structure calculations, especially chemical bonding interactions in SrIrSn2 and BaIrSn2, match well with the observed structural stability and metallic nature.

Original languageEnglish (US)
Pages (from-to)11127-11133
Number of pages7
JournalJournal of Materials Science
Volume54
Issue number16
DOIs
StatePublished - Aug 30 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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