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arxiv: 1702.02677 · v1 · pith:2HCBHMLLnew · submitted 2017-02-09 · ❄️ cond-mat.supr-con

Enhanced Superconductivity in Close Proximity to the Structural Phase Transition of Sr1-xBaxNi2P2

classification ❄️ cond-mat.supr-con
keywords structuraltransitionphasesr1-xbaxni2p2superconductivitybreakingcharacterizedclose
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The structural evolution and superconductivity of a 122-type solid solution Sr1-xBaxNi2P2 were studied. We found that an orthorhombic-tetragonal structural phase transition takes place at x = 0.5, and is characterized by the P-P dimers breaking. The superconducting transition temperature exhibited its highest value of 2.85 K at x = 0.4.

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