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1. chinaXiv:201606.00298 [pdf]

Understanding doping, vacancy, lattice stability and superconductivity in KxFe2-ySe2

刘宇; 王刚; 应天平; 赖晓芳; 金士峰; 刘宁; 胡江平; 陈小龙
Subjects: Physics >> Condensed Matter: Structural, Mechanical and Thermal Properties
Subjects: Physics >> Interdisciplinary Physics and Related Areas of Science and Technology

Metal-intercalated iron selenides are a class of superconductors that have received much attention but less understood in comparison with their FeAs-based counterparts. Here, the controversial issues such as Fe vacancy, the real phase responsible for superconductivity and lattice stability have been addressed based on first-principles calculations. New insights on the distinct features in terms of carrier doping have been revealed.

submitted time 2016-06-23 Hits1429Downloads468 Comment 0

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