Single Crystal Thin Film Tunnel Junctions Pt/AlOy/YBa2Cu3O7-x/SrTiO3

Jun Takada; Kazunuki Yamamoto; Kenji Iijima; Hiromasa Mazaki; Takahito Terashima; Yoshichika Bando

doi:10.2497/jjspm.35.397

Journal of the Japan Society of Powder and Powder Metallurgy

Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799

Single Crystal Thin Film Tunnel Junctions Pt/AlO_y/YBa₂Cu₃O_7-x/SrTiO₃

Jun Takada, Kazunuki Yamamoto, Kenji Iijima, Hiromasa Mazaki, Takahito Terashima, Yoshichika Bando

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JOURNAL OPEN ACCESS

1988 Volume 35 Issue 5 Pages 397-400

DOI https://doi.org/10.2497/jjspm.35.397

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Abstract

We have fabricated quasiparticle tunnel junctions using superconducting single crystal thin film YBa₂Cu₃O_7-x prepared by activated reactive evaporation method. From the tunnel measurement perpendicular to the Cu-O planes at 4.4K gap parameter Δ=11.5±1.5meV and 2Δ/kT_c=3.2±0.4 were obtained.

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