Fe-Te-Se epitaxial thin films with enhanced superconducting properties

Paolo Mele, Kaname Matsumoto, Kouhei Fujita, Yutaka Yoshida, Takanobu Kiss, Ataru Ichinose, Masashi Mukaida

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Epitaxial Fe-Te-Se thin films were deposited by pulsed laser deposition at 250-600°C on SrTiO 3 (100), MgO (100), LaAlO 3 (100) and CaF 2 (100) single crystal substrates. The best superconducting film was grown on CaF 2: K and K with T dep=300°C and 3Hz. Critical current density J c (T=4.2K) was 0.41×10 6Acm 2 at 0T and 0.23×10 6Acm 2 at 9T. The angular dependence of J c shows a broad c-axis correlated peak when B3T.

Original languageEnglish
Article number084021
JournalSuperconductor Science and Technology
Volume25
Issue number8
DOIs
Publication statusPublished - Aug 1 2012

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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