The New Superconductor tP-SrPd2Bi2: Structural Polymorphism and Superconductivity in Intermetallics

Weiwei Xie; Elizabeth M. Seibel; Robert J. Cava

doi:10.1021/acs.inorgchem.5b02900

The New Superconductor tP-SrPd₂Bi₂: Structural Polymorphism and Superconductivity in Intermetallics

Weiwei Xie, Elizabeth M. Seibel, Robert J. Cava

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11 Scopus citations

Abstract

We consider a system where structural polymorphism suggests the possible existence of superconductivity through the implied structural instability. SrPd₂Bi₂ has two polymorphs, which can be controlled by the synthesis temperature: a tetragonal form (CaBe₂Ge₂-type) and a monoclinic form (BaAu₂Sb₂-type). Although the crystallographic difference between the two forms may, at first, seem trivial, we show that tetragonal SrPd₂Bi₂ is superconducting at 2.0 K, whereas monoclinic SrPd₂Bi₂ is not. We rationalize this finding and place it in context with other 1-2-2 phases.

Original language	English (US)
Pages (from-to)	3203-3205
Number of pages	3
Journal	Inorganic Chemistry
Volume	55
Issue number	7
DOIs	https://doi.org/10.1021/acs.inorgchem.5b02900
State	Published - Apr 18 2016

All Science Journal Classification (ASJC) codes

Inorganic Chemistry
Physical and Theoretical Chemistry

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abstract = "We consider a system where structural polymorphism suggests the possible existence of superconductivity through the implied structural instability. SrPd2Bi2 has two polymorphs, which can be controlled by the synthesis temperature: a tetragonal form (CaBe2Ge2-type) and a monoclinic form (BaAu2Sb2-type). Although the crystallographic difference between the two forms may, at first, seem trivial, we show that tetragonal SrPd2Bi2 is superconducting at 2.0 K, whereas monoclinic SrPd2Bi2 is not. We rationalize this finding and place it in context with other 1-2-2 phases.",

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T1 - The New Superconductor tP-SrPd2Bi2

T2 - Structural Polymorphism and Superconductivity in Intermetallics

AU - Xie, Weiwei

AU - Seibel, Elizabeth M.

AU - Cava, Robert J.

PY - 2016/4/18

Y1 - 2016/4/18

N2 - We consider a system where structural polymorphism suggests the possible existence of superconductivity through the implied structural instability. SrPd2Bi2 has two polymorphs, which can be controlled by the synthesis temperature: a tetragonal form (CaBe2Ge2-type) and a monoclinic form (BaAu2Sb2-type). Although the crystallographic difference between the two forms may, at first, seem trivial, we show that tetragonal SrPd2Bi2 is superconducting at 2.0 K, whereas monoclinic SrPd2Bi2 is not. We rationalize this finding and place it in context with other 1-2-2 phases.

AB - We consider a system where structural polymorphism suggests the possible existence of superconductivity through the implied structural instability. SrPd2Bi2 has two polymorphs, which can be controlled by the synthesis temperature: a tetragonal form (CaBe2Ge2-type) and a monoclinic form (BaAu2Sb2-type). Although the crystallographic difference between the two forms may, at first, seem trivial, we show that tetragonal SrPd2Bi2 is superconducting at 2.0 K, whereas monoclinic SrPd2Bi2 is not. We rationalize this finding and place it in context with other 1-2-2 phases.

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The New Superconductor tP-SrPd₂Bi₂: Structural Polymorphism and Superconductivity in Intermetallics

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