Growth of thin films FeSe1-xTex with PbO-type structure by pulsed laser deposition method

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

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

FeSe1-xTex thin films with a PbO-type structure are successfully grown on MgO(1 0 0) and LaSrAlO4(0 0 1) substrates from FeSe0.5Te0.5 polycrystalline targets by pulsed laser deposition. The film deposited on the MgO substrate (film thickness ∼55 nm) 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 ∼80 nm) exhibits only the onset of superconducting transition at 3.9 K, but does not show zero resistivity above 2 K. This indicates the strong effect of epitaxial strain on the superconducting properties of FeSe 1-xTex thin films.

Original languageEnglish
Pages (from-to)S305-S306
JournalPhysica C: Superconductivity and its applications
Volume470
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2010 Dec 1
Externally publishedYes

Keywords

  • FeSe
  • Film growth
  • Pulsed laser deposition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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