Fabrication of Fe-Te-S superconducting epitaxial thin films by pulsed laser deposition

Paolo Mele, Kaname Matsumoto, Yasunori Haruyama, Masashi Mukaida, Yutaka Yoshida, Takanobu Kiss

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Abstract

We report on the fabrication of Fe-Te-S epitaxial thin films on SrTiO3(100) and MgO(100) single crystal substrates by pulsed laser deposition. Crystal structure was checked by X-ray diffraction, composition by scanning electron microscopy and energy dispersive spectroscopy (SEM-EDS), and superconductivity by resistance measurements. All the films deposited in the temperature range 300-400 °C were grown epitaxially on both substrates with a 4-fold symmetry. A zero resistance condition was not reached, but even if the films present a stoichiometric excess of Fe there is a clear upturn at 6 K.

Original languageEnglish
Article number073002
JournalApplied Physics Express
Volume2
Issue number7
DOIs
Publication statusPublished - 2009 Jul 1
Externally publishedYes

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ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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