Superconductivity of Rock-Salt Structure LaO Epitaxial Thin Film

研究成果: Article査読

18 被引用数 (Scopus)

抄録

We report a superconducting transition in a LaO epitaxial thin film with the superconducting transition onset temperature (Tc) at around 5 K. This Tc is higher than those of other lanthanum monochalcogenides and opposite to their chemical trend: Tc = 0.84, 1.02, and 1.48 K for LaX (X = S, Se, Te), respectively. The carrier control resulted in a dome-shaped Tc as a function of electron carrier density. In addition, the Tc was significantly sensitive to epitaxial strain in spite of the highly symmetric crystal structure. This rock-salt superconducting LaO could be a building block to design novel superlattice superconductors.

本文言語English
ページ(範囲)6754-6757
ページ数4
ジャーナルJournal of the American Chemical Society
140
22
DOI
出版ステータスPublished - 2018 6 6

ASJC Scopus subject areas

  • 触媒
  • 化学 (全般)
  • 生化学
  • コロイド化学および表面化学

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