Properties of a YBCO/insulator/YBCO trilayer and its application to a multilayer Josephson junction

S. Miura; W. Hattori; T. Satoh; M. Hidaka; S. Tahara; J. S. Tsai

doi:10.1088/0953-2048/9/4A/016

Properties of a YBCO/insulator/YBCO trilayer and its application to a multilayer Josephson junction

S. Miura, W. Hattori, T. Satoh, M. Hidaka, S. Tahara, J. S. Tsai

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

7 Citations (Scopus)

Abstract

We have examined the properties of a trilayer high-temperature superconductor (HTS)/insulator/HTS structure and incorporated this structure with multilayer Josephson ramp edge junctions to form a SQUID with a ground plane. The lower and upper Y₁Ba₂Cu₃O_x (YBCO) films in the trilayer structure showed zero-resistance temperatures of 89 K and 85 K respectively. A directly coupled ground-planed SQUID using ramp edge Josephson junctions with a normal barrier layer Pr₁Ba₂Cu₃O_x (PBCO) showed a voltage modulation of 30 μV at 9 K and operated up to 50 K.

Original language	English
Pages (from-to)	A59-A61
Journal	Superconductor Science and Technology
Volume	9
Issue number	4A
DOIs	https://doi.org/10.1088/0953-2048/9/4A/016
Publication status	Published - 1996 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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abstract = "We have examined the properties of a trilayer high-temperature superconductor (HTS)/insulator/HTS structure and incorporated this structure with multilayer Josephson ramp edge junctions to form a SQUID with a ground plane. The lower and upper Y1Ba2Cu3Ox (YBCO) films in the trilayer structure showed zero-resistance temperatures of 89 K and 85 K respectively. A directly coupled ground-planed SQUID using ramp edge Josephson junctions with a normal barrier layer Pr1Ba2Cu3Ox (PBCO) showed a voltage modulation of 30 μV at 9 K and operated up to 50 K.",

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AU - Hattori, W.

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AU - Hidaka, M.

AU - Tahara, S.

AU - Tsai, J. S.

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AB - We have examined the properties of a trilayer high-temperature superconductor (HTS)/insulator/HTS structure and incorporated this structure with multilayer Josephson ramp edge junctions to form a SQUID with a ground plane. The lower and upper Y1Ba2Cu3Ox (YBCO) films in the trilayer structure showed zero-resistance temperatures of 89 K and 85 K respectively. A directly coupled ground-planed SQUID using ramp edge Josephson junctions with a normal barrier layer Pr1Ba2Cu3Ox (PBCO) showed a voltage modulation of 30 μV at 9 K and operated up to 50 K.

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