Nanostructured epitaxial thin films of Fe-based superconductors with enhanced superconducting properties

Paolo Mele, K. Matsumoto, H. Nagayoshi, K. Fujita, Y. Yoshida, Y. Ichino, T. Kiss, A. Ichinose, M. Mukaida, B. Maiorov, F. F. Balakirev, S. A. Baily, L. Civale

Research output: Contribution to journal › Conference article

1 Citation (Scopus)

Abstract

Epitaxial Fe-Te-Se thin films were deposited by pulsed laser deposition at 250-600 °C on SrTiO3 (100, STO), MgO (100), LaAlO3 (100, LAO) and CaF2 (100) single crystal substrates. Best superconducting film was grown on CaF2: Tconset = 20.0 K and Tc0 = 16.18 K with Tdep = 300 °C, 45000 pulses, 3 Hz. The critical current density Jc at 4.2 K was 0.41 × 106A/cm2 at 0 T and 0.23×106 A/cm2 at 9 T. Angular dependence of Jc showed broad c-axis correlated peak when B ≥ 3 T.

Original languageEnglish
Pages (from-to)35-44
Number of pages10
JournalMaterials Research Society Symposium Proceedings
Volume1434
Issue numberJanuary
DOIs
Publication statusPublished - 2012 Jan 1
Externally publishedYes
Event2012 MRS Spring Meeting - San Francisco, United States
Duration: 2012 Apr 9 → 2012 Apr 13

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Superconducting films
Epitaxial films
superconducting films
Pulsed laser deposition
pulsed laser deposition
critical current
Single crystals
current density
Thin films
single crystals
Substrates
thin films
pulses
strontium titanium oxide
Iron-based Superconductors

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Nanostructured epitaxial thin films of Fe-based superconductors with enhanced superconducting properties. / Mele, Paolo; Matsumoto, K.; Nagayoshi, H.; Fujita, K.; Yoshida, Y.; Ichino, Y.; Kiss, T.; Ichinose, A.; Mukaida, M.; Maiorov, B.; Balakirev, F. F.; Baily, S. A.; Civale, L.

In: Materials Research Society Symposium Proceedings, Vol. 1434, No. January, 01.01.2012, p. 35-44.

Research output: Contribution to journal › Conference article

Mele, P, Matsumoto, K, Nagayoshi, H, Fujita, K, Yoshida, Y, Ichino, Y, Kiss, T, Ichinose, A, Mukaida, M, Maiorov, B, Balakirev, FF, Baily, SA & Civale, L 2012, 'Nanostructured epitaxial thin films of Fe-based superconductors with enhanced superconducting properties', Materials Research Society Symposium Proceedings, vol. 1434, no. January, pp. 35-44. https://doi.org/10.1557/opl.2012.1419
Mele P, Matsumoto K, Nagayoshi H, Fujita K, Yoshida Y, Ichino Y et al. Nanostructured epitaxial thin films of Fe-based superconductors with enhanced superconducting properties. Materials Research Society Symposium Proceedings. 2012 Jan 1;1434(January):35-44. https://doi.org/10.1557/opl.2012.1419
Mele, Paolo ; Matsumoto, K. ; Nagayoshi, H. ; Fujita, K. ; Yoshida, Y. ; Ichino, Y. ; Kiss, T. ; Ichinose, A. ; Mukaida, M. ; Maiorov, B. ; Balakirev, F. F. ; Baily, S. A. ; Civale, L. / Nanostructured epitaxial thin films of Fe-based superconductors with enhanced superconducting properties. In: Materials Research Society Symposium Proceedings. 2012 ; Vol. 1434, No. January. pp. 35-44.
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AU - Ichino, Y.

AU - Kiss, T.

AU - Ichinose, A.

AU - Mukaida, M.

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AB - Epitaxial Fe-Te-Se thin films were deposited by pulsed laser deposition at 250-600 °C on SrTiO3 (100, STO), MgO (100), LaAlO3 (100, LAO) and CaF2 (100) single crystal substrates. Best superconducting film was grown on CaF2: Tconset = 20.0 K and Tc0 = 16.18 K with Tdep = 300 °C, 45000 pulses, 3 Hz. The critical current density Jc at 4.2 K was 0.41 × 106A/cm2 at 0 T and 0.23×106 A/cm2 at 9 T. Angular dependence of Jc showed broad c-axis correlated peak when B ≥ 3 T.

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