Pulsed laser deposition and in-field characterization of FeTe 0.8S0.2 epitaxial thin films with enhanced superconducting properties

P. Mele; K. Matsumoto; Y. Haruyama; M. Mukaida; Y. Yoshida; Y. Ichino; T. Kiss; A. Ichinose

doi:10.1016/j.physc.2010.05.028

Pulsed laser deposition and in-field characterization of FeTe _0.8S_0.2 epitaxial thin films with enhanced superconducting properties

P. Mele, K. Matsumoto, Y. Haruyama, M. Mukaida, Y. Yoshida, Y. Ichino, T. Kiss, A. Ichinose

研究成果: Article › 査読

4 被引用数 (Scopus)

抄録

Fe-Te-S thin films deposited by pulsed laser deposition at 400 °C on SrTiO₃ (1 0 0) and MgO (1 0 0) single crystals showed epitaxy and 4-fold symmetry. Films deposited on both substrates reached zero resistance condition (T_c⁰=3.54K on STO and 5.37 K on MgO) and presented large upper critical field (B_c2(0) = 61.1 T on STO and 74.2 T for MgO using 90% of the normal state resistance and Werthamer-Helfand- Hohenberg model), indicating that the coherence length ξ₀ of the present films is very short (ξ₀ = 2.3 nm on STO and 2.1 nm on MgO).

本文言語	English
ページ（範囲）	1033-1037
ページ数	5
ジャーナル	Physica C: Superconductivity and its applications
巻	470
号	20
DOI	https://doi.org/10.1016/j.physc.2010.05.028
出版ステータス	Published - 2010 11 1
外部発表	はい

ASJC Scopus subject areas

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

文献へのアクセス

10.1016/j.physc.2010.05.028

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引用スタイル

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title = "Pulsed laser deposition and in-field characterization of FeTe 0.8S0.2 epitaxial thin films with enhanced superconducting properties",

abstract = "Fe-Te-S thin films deposited by pulsed laser deposition at 400 °C on SrTiO3 (1 0 0) and MgO (1 0 0) single crystals showed epitaxy and 4-fold symmetry. Films deposited on both substrates reached zero resistance condition (Tc0=3.54K on STO and 5.37 K on MgO) and presented large upper critical field (Bc2(0) = 61.1 T on STO and 74.2 T for MgO using 90% of the normal state resistance and Werthamer-Helfand- Hohenberg model), indicating that the coherence length ξ0 of the present films is very short (ξ0 = 2.3 nm on STO and 2.1 nm on MgO).",

keywords = "Fe-based superconductors, FeTeS, T, Thin films, Upper critical field",

author = "P. Mele and K. Matsumoto and Y. Haruyama and M. Mukaida and Y. Yoshida and Y. Ichino and T. Kiss and A. Ichinose",

year = "2010",

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TY - JOUR

T1 - Pulsed laser deposition and in-field characterization of FeTe 0.8S0.2 epitaxial thin films with enhanced superconducting properties

AU - Mele, P.

AU - Matsumoto, K.

AU - Haruyama, Y.

AU - Mukaida, M.

AU - Yoshida, Y.

AU - Ichino, Y.

AU - Kiss, T.

AU - Ichinose, A.

PY - 2010/11/1

Y1 - 2010/11/1

N2 - Fe-Te-S thin films deposited by pulsed laser deposition at 400 °C on SrTiO3 (1 0 0) and MgO (1 0 0) single crystals showed epitaxy and 4-fold symmetry. Films deposited on both substrates reached zero resistance condition (Tc0=3.54K on STO and 5.37 K on MgO) and presented large upper critical field (Bc2(0) = 61.1 T on STO and 74.2 T for MgO using 90% of the normal state resistance and Werthamer-Helfand- Hohenberg model), indicating that the coherence length ξ0 of the present films is very short (ξ0 = 2.3 nm on STO and 2.1 nm on MgO).

AB - Fe-Te-S thin films deposited by pulsed laser deposition at 400 °C on SrTiO3 (1 0 0) and MgO (1 0 0) single crystals showed epitaxy and 4-fold symmetry. Films deposited on both substrates reached zero resistance condition (Tc0=3.54K on STO and 5.37 K on MgO) and presented large upper critical field (Bc2(0) = 61.1 T on STO and 74.2 T for MgO using 90% of the normal state resistance and Werthamer-Helfand- Hohenberg model), indicating that the coherence length ξ0 of the present films is very short (ξ0 = 2.3 nm on STO and 2.1 nm on MgO).

KW - Fe-based superconductors

KW - FeTeS

KW - T

KW - Thin films

KW - Upper critical field

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