Presentation 1994/10/5
Electric Properties of YBCO/PBCO/YBCO Junctions with Thin Barrier Layers
Tatsunori Hashimoto, Toshihiko Nagano, Jiro Yoshida,
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Abstract(in English) a-axis oriented YBCO, PBCO/YBCO junctions have been studied to realize a high-quality all-oxide Josephson junction in a sandwich geometry.In this reports,electric properties of the junctions with thinner PBCO barriers are shown.For 20 nm-PCBO-bariier juncitons, the observed I-V curves did not include an excess current.And the IcRn-value was 165μV at 4.2 K.However,a large excess cuurent was o bserved for 10 nm-PBCO junctions.The excess current depended on the junction area,and this current rapidly decreased as the area decreased.It was concluded that this characteristic was limited by the morphology of the prepared trilayer.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) oxide superconductor / Josephson junction / YBCO / PBCO
Paper # SCE94-30
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Committee SCE
Conference Date 1994/10/5(1days)
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Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Electric Properties of YBCO/PBCO/YBCO Junctions with Thin Barrier Layers
Sub Title (in English)
Keyword(1) oxide superconductor
Keyword(2) Josephson junction
Keyword(3) YBCO
Keyword(4) PBCO
1st Author's Name Tatsunori Hashimoto
1st Author's Affiliation Advanced Research Laboratory,R&D Center,Toshiba()
2nd Author's Name Toshihiko Nagano
2nd Author's Affiliation Advanced Research Laboratory,R&D Center,Toshiba
3rd Author's Name Jiro Yoshida
3rd Author's Affiliation Advanced Research Laboratory,R&D Center,Toshiba
Date 1994/10/5
Paper # SCE94-30
Volume (vol) vol.94
Number (no) 265
Page pp.pp.-
#Pages 6
Date of Issue