JPS6435972A - Superconductor device - Google Patents

Superconductor device

Info

Publication number
JPS6435972A
JPS6435972A JP62191697A JP19169787A JPS6435972A JP S6435972 A JPS6435972 A JP S6435972A JP 62191697 A JP62191697 A JP 62191697A JP 19169787 A JP19169787 A JP 19169787A JP S6435972 A JPS6435972 A JP S6435972A
Authority
JP
Japan
Prior art keywords
superconductor
rare earth
layers
type oxide
perovskite type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62191697A
Other languages
Japanese (ja)
Inventor
Yasuo Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62191697A priority Critical patent/JPS6435972A/en
Publication of JPS6435972A publication Critical patent/JPS6435972A/en
Pending legal-status Critical Current

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  • Superconductor Devices And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE:To obtain a junction having excellent bondability of both superconductor and tunnel insulating layers and resistance against heat change by employing a perovskite type oxide superconductor including trivalent rare earth element as the superconductor layer, and using a perovskite type oxide insulator including rare earth element except trivalent ones as the tunnel insulating layer. CONSTITUTION:A perovskite type oxide superconductor including trivalent rare earth element is employed as superconductor layers 2, 4, and a perovskite type oxide insulator including rare earth element except trivalent ones is used as a tunnel insulating layer 3. Since the layers 2, 4 and 3 are different in the types of the rear earth elements but have similar properties of the elements and similar outer shell electron dispositions with many similar points, both have similar crystal structure. Thus, a junction having excellent bondability of both the layers and resistance against heat change can be formed to obtain an accurate Josephson junction element.
JP62191697A 1987-07-30 1987-07-30 Superconductor device Pending JPS6435972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62191697A JPS6435972A (en) 1987-07-30 1987-07-30 Superconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62191697A JPS6435972A (en) 1987-07-30 1987-07-30 Superconductor device

Publications (1)

Publication Number Publication Date
JPS6435972A true JPS6435972A (en) 1989-02-07

Family

ID=16278968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62191697A Pending JPS6435972A (en) 1987-07-30 1987-07-30 Superconductor device

Country Status (1)

Country Link
JP (1) JPS6435972A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137379A (en) * 1988-11-18 1990-05-25 Nippon Telegr & Teleph Corp <Ntt> Tunnel junction element
EP0476687A2 (en) * 1990-09-20 1992-03-25 Sumitomo Electric Industries, Limited Superconductor junction structure and process for fabricating the same
US6157044A (en) * 1989-03-31 2000-12-05 Sumitomo Electric Industries, Ltd. Tunnel junction type josephson device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137379A (en) * 1988-11-18 1990-05-25 Nippon Telegr & Teleph Corp <Ntt> Tunnel junction element
US6157044A (en) * 1989-03-31 2000-12-05 Sumitomo Electric Industries, Ltd. Tunnel junction type josephson device
EP0476687A2 (en) * 1990-09-20 1992-03-25 Sumitomo Electric Industries, Limited Superconductor junction structure and process for fabricating the same
US5488030A (en) * 1990-09-20 1996-01-30 Sumitomo Electric Industries, Inc. Superconductor junction structure including two oxide superconductor layers separated by a non-superconducting layer
EP0476687B1 (en) * 1990-09-20 2000-03-15 Sumitomo Electric Industries, Limited Superconductor junction structure and process for fabricating the same

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