DOI: 10.1063/1.103311. Tunneling measurements on superconductor/insulator/superconductor junctions using single-crystal YBa2Cu3O7−<i>x</i> thin films

Tunneling measurements on superconductor/insulator/superconductor junctions using single-crystal YBa2Cu3O7−x thin films

10.1063/1.103311

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We have, for the first time, made quasi-particle tunneling measurements on a YBa2Cu3O7−x(001)/Y2O3 (001)/YBa2 Cu3 O7−x (001)junction, which was epitaxially grown on a MgO(100) substrate in an in-situ process. Both layers of YBa2 Cu3 O7−x showed the same superconducting transition of Tc end =86 K with ΔT(R=10–90%)=1.5 K. Quasi-particle tunneling in the direction perpendicular to the Cu-O planes was measured. A gap parameter Δ(4.5 K) of 9.0±0.2 meV and a value of 2Δ/kTc of 3.5+0.4−0.6 were obtained.

Bibliography

Hirata, K., Yamamoto, K., Iijima, K., Takada, J., Terashima, T., Bando, Y., & Mazaki, H. (1990). Tunneling measurements on superconductor/insulator/superconductor junctions using single-crystal YBa2Cu3O7âx thin films. Applied Physics Letters, 56(7), 683â685.

Authors 7

K. Hirata (first)
K. Yamamoto (additional)
K. Iijima (additional)
J. Takada (additional)
T. Terashima (additional)
Y. Bando (additional)
H. Mazaki (additional)

References 16 Referenced 73

10.1103/PhysRevB.35.8846 / Phys. Rev. B (1987)
10.1016/0921-4534(88)90333-4 / Physics C (1988)
{'key': '2024020300392780600_r3'}
10.1088/0022-3727/20/10/021 / J. Phys. D (1987)
10.1063/1.100546 / Appl. Phys. Lett. (1988)
{'key': '2024020300392780600_r6'}
{'key': '2024020300392780600_r7'}
{'key': '2024020300392780600_r8'}
10.1143/JJAP.27.L91 / Jpn. J. Appl. Phys. (1988)
10.1103/PhysRevB.40.4478 / Phys. Rev. B (1989)
10.1103/PhysRevB.39.9080 / Phys. Rev. B (1989)
{'key': '2024020300392780600_r12'}
10.1103/PhysRevLett.53.2437 / Phys. Rev. Lett. (1984)
{'key': '2024020300392780600_r14'}
10.1103/PhysRevLett.59.1745 / Phys. Rev. Lett. (1987)
10.1103/PhysRevLett.63.422 / Phys. Rev. Lett. (1989)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:05 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 7:39 p.m.)
Indexed	4 months, 1 week ago (April 19, 2025, 1:07 a.m.)
Issued	35 years, 6 months ago (Feb. 12, 1990)
Published	35 years, 6 months ago (Feb. 12, 1990)
Published Print	35 years, 6 months ago (Feb. 12, 1990)

Funders 0

None

BibTeX

@article{Hirata_1990, title={Tunneling measurements on superconductor/insulator/superconductor junctions using single-crystal YBa2Cu3O7−x thin films}, volume={56}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.103311}, DOI={10.1063/1.103311}, number={7}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hirata, K. and Yamamoto, K. and Iijima, K. and Takada, J. and Terashima, T. and Bando, Y. and Mazaki, H.}, year={1990}, month=feb, pages={683–685} }

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