Gold contacts on superconducting crystals of YBa2Cu 3O7 with very low contact resistivity

T. W. Jing; Z. Z. Wang; N. P. Ong

doi:10.1063/1.102167

Gold contacts on superconducting crystals of YBa₂Cu ₃O₇ with very low contact resistivity

T. W. Jing, Z. Z. Wang, N. P. Ong

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Abstract

By cleaving crystals of YBa₂Cu₃O₇ in high vacuum and evaporating Au in situ, we have fabricated Au-YBa₂Cu ₃O₇ junctions with very low contact resistance. Below T_c, the specified contact resistivity drops by three decades to an estimated value 2×10^-9 Ω cm² at 87.3 K. We emphasize the importance of correcting for spreading resistance in such studies. We also discuss the ideal contact resistivity, and possible contributions to the measured resistance very near T_c.

Original language	English (US)
Pages (from-to)	1912-1914
Number of pages	3
Journal	Applied Physics Letters
Volume	55
Issue number	18
DOIs	https://doi.org/10.1063/1.102167
State	Published - 1989

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.102167

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title = "Gold contacts on superconducting crystals of YBa2Cu 3O7 with very low contact resistivity",

abstract = "By cleaving crystals of YBa2Cu3O7 in high vacuum and evaporating Au in situ, we have fabricated Au-YBa2Cu 3O7 junctions with very low contact resistance. Below Tc, the specified contact resistivity drops by three decades to an estimated value 2×10-9 Ω cm2 at 87.3 K. We emphasize the importance of correcting for spreading resistance in such studies. We also discuss the ideal contact resistivity, and possible contributions to the measured resistance very near Tc.",

author = "Jing, {T. W.} and Wang, {Z. Z.} and Ong, {N. P.}",

year = "1989",

doi = "10.1063/1.102167",

language = "English (US)",

volume = "55",

pages = "1912--1914",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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T1 - Gold contacts on superconducting crystals of YBa2Cu 3O7 with very low contact resistivity

AU - Jing, T. W.

AU - Wang, Z. Z.

AU - Ong, N. P.

PY - 1989

Y1 - 1989

N2 - By cleaving crystals of YBa2Cu3O7 in high vacuum and evaporating Au in situ, we have fabricated Au-YBa2Cu 3O7 junctions with very low contact resistance. Below Tc, the specified contact resistivity drops by three decades to an estimated value 2×10-9 Ω cm2 at 87.3 K. We emphasize the importance of correcting for spreading resistance in such studies. We also discuss the ideal contact resistivity, and possible contributions to the measured resistance very near Tc.

AB - By cleaving crystals of YBa2Cu3O7 in high vacuum and evaporating Au in situ, we have fabricated Au-YBa2Cu 3O7 junctions with very low contact resistance. Below Tc, the specified contact resistivity drops by three decades to an estimated value 2×10-9 Ω cm2 at 87.3 K. We emphasize the importance of correcting for spreading resistance in such studies. We also discuss the ideal contact resistivity, and possible contributions to the measured resistance very near Tc.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 18

ER -

Gold contacts on superconducting crystals of YBa₂Cu ₃O₇ with very low contact resistivity

Abstract

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