Growth of superconducting FeSe0.5Te0.5 thin films by pulsed-laser deposition

Y. Imai; T. Akiike; R. Tanaka; H. Takahashi; M. Hanawa; I. Tsukada; A. Maeda

doi:10.1016/j.physc.2010.05.029

Growth of superconducting FeSe_0.5Te_0.5 thin films by pulsed-laser deposition

Y. Imai, T. Akiike, R. Tanaka, H. Takahashi, M. Hanawa, I. Tsukada, A. Maeda

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

FeSe_0.5Te_0.5 thin films with PbO-type structure are successfully grown on MgO(1 0 0) and LaSrAlO₄(0 0 1) substrates from FeSe_0.5Te_0.5 or FeSe_0.5Te_0.75 polycrystalline targets by pulsed-laser deposition. The film deposited on the MgO substrate (film thickness ∼ 55 nm) shows superconductivity at 10.6 K (onset) and 9.2 K (zero resistivity). On the other hand, the film deposited on the LaSrAlO₄ substrate (film thickness ∼ 250 nm) exhibits superconductivity at 5.4 K (onset) and 2.7 K (zero resistivity). This suggests the strong influence of substrate materials and/or the c-axis length to superconducting properties of FeSe_0.5Te_0.5 thin films.

Original language	English
Pages (from-to)	1038-1041
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	470
Issue number	20
DOIs	https://doi.org/10.1016/j.physc.2010.05.029
Publication status	Published - 2010 Nov 1
Externally published	Yes

Keywords

FeSe
Pulsed-laser deposition
Thin film

ASJC Scopus subject areas

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

Access to Document

10.1016/j.physc.2010.05.029

Cite this

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title = "Growth of superconducting FeSe0.5Te0.5 thin films by pulsed-laser deposition",

abstract = "FeSe0.5Te0.5 thin films with PbO-type structure are successfully grown on MgO(1 0 0) and LaSrAlO4(0 0 1) substrates from FeSe0.5Te0.5 or FeSe0.5Te0.75 polycrystalline targets by pulsed-laser deposition. The film deposited on the MgO substrate (film thickness ∼ 55 nm) shows superconductivity at 10.6 K (onset) and 9.2 K (zero resistivity). On the other hand, the film deposited on the LaSrAlO4 substrate (film thickness ∼ 250 nm) exhibits superconductivity at 5.4 K (onset) and 2.7 K (zero resistivity). This suggests the strong influence of substrate materials and/or the c-axis length to superconducting properties of FeSe0.5Te0.5 thin films.",

keywords = "FeSe, Pulsed-laser deposition, Thin film",

author = "Y. Imai and T. Akiike and R. Tanaka and H. Takahashi and M. Hanawa and I. Tsukada and A. Maeda",

year = "2010",

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doi = "10.1016/j.physc.2010.05.029",

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TY - JOUR

T1 - Growth of superconducting FeSe0.5Te0.5 thin films by pulsed-laser deposition

AU - Imai, Y.

AU - Akiike, T.

AU - Tanaka, R.

AU - Takahashi, H.

AU - Hanawa, M.

AU - Tsukada, I.

AU - Maeda, A.

PY - 2010/11/1

Y1 - 2010/11/1

N2 - FeSe0.5Te0.5 thin films with PbO-type structure are successfully grown on MgO(1 0 0) and LaSrAlO4(0 0 1) substrates from FeSe0.5Te0.5 or FeSe0.5Te0.75 polycrystalline targets by pulsed-laser deposition. The film deposited on the MgO substrate (film thickness ∼ 55 nm) shows superconductivity at 10.6 K (onset) and 9.2 K (zero resistivity). On the other hand, the film deposited on the LaSrAlO4 substrate (film thickness ∼ 250 nm) exhibits superconductivity at 5.4 K (onset) and 2.7 K (zero resistivity). This suggests the strong influence of substrate materials and/or the c-axis length to superconducting properties of FeSe0.5Te0.5 thin films.

AB - FeSe0.5Te0.5 thin films with PbO-type structure are successfully grown on MgO(1 0 0) and LaSrAlO4(0 0 1) substrates from FeSe0.5Te0.5 or FeSe0.5Te0.75 polycrystalline targets by pulsed-laser deposition. The film deposited on the MgO substrate (film thickness ∼ 55 nm) shows superconductivity at 10.6 K (onset) and 9.2 K (zero resistivity). On the other hand, the film deposited on the LaSrAlO4 substrate (film thickness ∼ 250 nm) exhibits superconductivity at 5.4 K (onset) and 2.7 K (zero resistivity). This suggests the strong influence of substrate materials and/or the c-axis length to superconducting properties of FeSe0.5Te0.5 thin films.

KW - FeSe

KW - Pulsed-laser deposition

KW - Thin film

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