Superconductivity of FeSe0.5Te0.5 thin films grown by pulsed laser deposition

Yoshinori Imai, Ryo Tanaka, Takanori Akiike, Masafumi Hanawa, Ichiro Tsukada, Atsutaka Maeda

研究成果: Article査読

49 被引用数 (Scopus)

抄録

FeSe0.5Te0.5 thin films with a PbO-type structure are successfully grown on MgO(100) and LaSrAlO4(001) substrates from FeSe 0.5Te0.5 or FeSe0.5Te0.75 polycrystalline targets by pulsed laser deposition. The film deposited on the MgO substrate (film thickness: ∼55nm) shows superconductivity at 10.6 K (onset) and 9.2 K (zero resistivity). On the other hand, the film deposited on the LaSrAlO4 substrate (film thickness: ∼250 nm) exhibits superconductivity at 5.4 K (onset) and 2.7 K (zero resistivity). This suggests the strong effect of substrate materials and/or the c-axis length on the superconducting properties of FeSe0.5Te0.5 thin films.

本文言語English
論文番号023101
ジャーナルJapanese journal of applied physics
49
2 Part 1
DOI
出版ステータスPublished - 2010 2月
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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