Enhanced superconductivity in close proximity to the structural phase transition of Sr1-xBaxNi2P2

Kazutaka Kudo, Yutaka Kitahama, Keita Iba, Masaya Takasuga, Minoru Nohara

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Abstract

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.

Original languageEnglish
Article number035001
JournalJournal of the Physical Society of Japan
Volume86
Issue number3
DOIs
Publication statusPublished - 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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