Understanding Doping, Vacancy, Lattice Stability, and Superconductivity in K x Fe2-y Se2.
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ABSTRACT: Metal-intercalated iron selenides are a class of superconductors that have received much attention but are 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 into the distinct features in terms of carrier doping have been revealed.
SUBMITTER: Liu Y
PROVIDER: S-EPMC5096254 | biostudies-literature |
REPOSITORIES: biostudies-literature
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