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

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

doi:10.1088/0953-2048/25/8/084021

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 journal › Article

25 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 language	English
Article number	084021
Journal	Superconductor Science and Technology
Volume	25
Issue number	8
DOIs	https://doi.org/10.1088/0953-2048/25/8/084021
Publication status	Published - 2012 Aug 1
Externally published	Yes

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ASJC Scopus subject areas

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

Cite this

Mele, P., Matsumoto, K., Fujita, K., Yoshida, Y., Kiss, T., Ichinose, A., & Mukaida, M. (2012). Fe-Te-Se epitaxial thin films with enhanced superconducting properties. Superconductor Science and Technology, 25(8), [084021]. https://doi.org/10.1088/0953-2048/25/8/084021

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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.",

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AU - Mele, Paolo

AU - Matsumoto, Kaname

AU - Fujita, Kouhei

AU - Yoshida, Yutaka

AU - Kiss, Takanobu

AU - Ichinose, Ataru

AU - Mukaida, Masashi

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10.1088/0953-2048/25/8/084021