High critical current density YBa2Cu3O7-δ films on surface-oxidized metallic substrates

Kaname Matsumoto; Seokbeom Kim; Katsuya Yamagiwa; Yoshihiro Koike; Izumi Hirabayashi; Tomonori Watanabe; Naoki Uno; Masaru Ikeda

doi:10.1016/S0921-4534(00)00139-8

High critical current density YBa₂Cu₃O_7-δ films on surface-oxidized metallic substrates

Kaname Matsumoto, Seokbeom Kim, Katsuya Yamagiwa, Yoshihiro Koike, Izumi Hirabayashi, Tomonori Watanabe, Naoki Uno, Masaru Ikeda

Research output: Contribution to journal › Conference article › peer-review

42 Citations (Scopus)

Abstract

YBa₂Cu₃O_7-δ (YBCO) films with high critical current density (J_c) were fabricated on nickel tapes buffered with bi-axially textured NiO prepared by surface-oxidation epitaxy (SOE). The effects of oxide cap layers, such as YSZ, CeO₂ and MgO, on the SOE-grown NiO were investigated to improve the superconducting properties of the YBCO films on NiO. By inserting a thin MgO cap layer between NiO layer and YBCO film, a J_c of 3×10⁵ A/cm² (77 K, 0 T) was achieved. This result indicates the potentiality of the SOE method. In this paper, the application of the NiO/Ni substrate to non-vacuum processings, such as metal-organic deposition (MOD) and liquid phase epitaxy (LPE) will be also introduced.

Original language	English
Pages (from-to)	39-43
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	335
Issue number	1
DOIs	https://doi.org/10.1016/S0921-4534(00)00139-8
Publication status	Published - Jun 2000
Externally published	Yes
Event	9th Japan-US Workshop on High-Tc Superconductors - Yamanashi, Jpn Duration: Oct 13 1999 → Oct 15 1999

ASJC Scopus subject areas

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

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High critical current density YBa₂Cu₃O_7-δ films on surface-oxidized metallic substrates. / Matsumoto, Kaname; Kim, Seokbeom; Yamagiwa, Katsuya; Koike, Yoshihiro; Hirabayashi, Izumi; Watanabe, Tomonori; Uno, Naoki; Ikeda, Masaru.

In: Physica C: Superconductivity and its applications, Vol. 335, No. 1, 06.2000, p. 39-43.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "YBa2Cu3O7-δ (YBCO) films with high critical current density (Jc) were fabricated on nickel tapes buffered with bi-axially textured NiO prepared by surface-oxidation epitaxy (SOE). The effects of oxide cap layers, such as YSZ, CeO2 and MgO, on the SOE-grown NiO were investigated to improve the superconducting properties of the YBCO films on NiO. By inserting a thin MgO cap layer between NiO layer and YBCO film, a Jc of 3×105 A/cm2 (77 K, 0 T) was achieved. This result indicates the potentiality of the SOE method. In this paper, the application of the NiO/Ni substrate to non-vacuum processings, such as metal-organic deposition (MOD) and liquid phase epitaxy (LPE) will be also introduced.",

author = "Kaname Matsumoto and Seokbeom Kim and Katsuya Yamagiwa and Yoshihiro Koike and Izumi Hirabayashi and Tomonori Watanabe and Naoki Uno and Masaru Ikeda",

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AU - Matsumoto, Kaname

AU - Kim, Seokbeom

AU - Yamagiwa, Katsuya

AU - Koike, Yoshihiro

AU - Hirabayashi, Izumi

AU - Watanabe, Tomonori

AU - Uno, Naoki

AU - Ikeda, Masaru

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AB - YBa2Cu3O7-δ (YBCO) films with high critical current density (Jc) were fabricated on nickel tapes buffered with bi-axially textured NiO prepared by surface-oxidation epitaxy (SOE). The effects of oxide cap layers, such as YSZ, CeO2 and MgO, on the SOE-grown NiO were investigated to improve the superconducting properties of the YBCO films on NiO. By inserting a thin MgO cap layer between NiO layer and YBCO film, a Jc of 3×105 A/cm2 (77 K, 0 T) was achieved. This result indicates the potentiality of the SOE method. In this paper, the application of the NiO/Ni substrate to non-vacuum processings, such as metal-organic deposition (MOD) and liquid phase epitaxy (LPE) will be also introduced.

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