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

Madalynn Marshall; Lingyi Xing; Zuzanna Ryżyńska; Joanna Blawat; Tomasz Klimczuk; Rongying Jin; Weiwei Xie

doi:10.1007/s10853-019-03681-8

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

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.

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Authors (7)

Madalynn Marshall
Lingyi Xing
Zuzanna Ryżyńska (formerly: Zuzanna Sobczak)
Joanna Blawat
Tomasz Klimczuk prof. dr hab. inż.
Rongying Jin
Weiwei Xie

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Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: JOURNAL OF MATERIALS SCIENCE no. 54, pages 11127 - 11133,
ISSN: 0022-2461
Language:: English
Publication year:: 2019
Bibliographic description:: Marshall M., Xing L., Sobczak Z., Blawat J., Klimczuk T., Jin R., Xie W.: Crystal structure, chemical bonding, and physical properties of layered AIrSn2 (A = Sr and Ba)// JOURNAL OF MATERIALS SCIENCE. -Vol. 54, iss. 16 (2019), s.11127-11133
DOI:: Digital Object Identifier (open in new tab) 10.1007/s10853-019-03681-8
Verified by:: Gdańsk University of Technology