Superconductivity in Alkaline Earth Metal-Filled Skutterudites BaxIr4X12 (X = 
As, P)

Qi, Yanpeng; Lei, Hechang; Guo, Jiangang; Shi, Wujun; Yan, Binghai; Felser, Claudia; Hosono, Hideo

doi:10.1021/jacs.7b04274

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Superconductivity in Alkaline Earth Metal-Filled Skutterudites Ba_xIr₄X₁₂ (X = As, P)

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Shi, Wujun
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Qi, Y., Lei, H., Guo, J., Shi, W., Yan, B., Felser, C., et al. (2017). Superconductivity in Alkaline Earth Metal-Filled Skutterudites Ba_xIr₄X₁₂ (X = As, P). Journal of the American Chemical Society, 139(24), 8106-8109. doi:10.1021/jacs.7b04274.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-AEBA-A

Abstract

We report superconductive iridium pnictides BaxIr4X12 (X = As and P) with a filled skutterudite structure, demonstrating that Ba filling dramatically alters their electronic properties and induces a nonmetal-to metal transition with increasing, the Ea content x. The highest superconducting transition temperatures are 4.8 and 5.6 K observed for BaxIr4As12 and BaxIr4P12, respectively. The superconductivity in BaxIr4X12 can be classified into the Bardeen-Cooper-Schrieffer type with intermediate coupling.