Presentation 1993/7/26
Properties of Interface in YBaCuO/PrBaCuO/YBaCuO Junction
Hiroshi Kimura, Toshiyuki Ohmameuda, Masayuki Miyazaki, Yoichi Okabe,
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Abstract(in English) A supercurrent has been observed through a thick barrier layer which had similar crystal structure to oxide superconductor.It has been also observed that the junction resistances in these junction were lower than bulk resistances of barrier material.We fabricated YBa2CU3Ox(YBCO), PrBa2Cu3Ox(PBCO)planar type junction by focused ion beam(FIB)technique.The resistivity of PBCO in the junction was lower than that of single PBCO film.Because no evidence of an interdiffusion between YBCO and PBCO could be observed by AES measurement,we paid attention to the effect of oxygen concentration on the resistivity of the PBCO film.The PBCO film with the lower resistivity was formed by the changing cooling process.This result suggests that oxygen of the film play important role in the low resistivity.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) PBCO / Cooling Process / Metastable state / Low Resistivity / Long Range Proximity / Planar Type Junction
Paper # SCE93-20
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Conference Information
Committee SCE
Conference Date 1993/7/26(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) Properties of Interface in YBaCuO/PrBaCuO/YBaCuO Junction
Sub Title (in English)
Keyword(1) PBCO
Keyword(2) Cooling Process
Keyword(3) Metastable state
Keyword(4) Low Resistivity
Keyword(5) Long Range Proximity
Keyword(6) Planar Type Junction
1st Author's Name Hiroshi Kimura
1st Author's Affiliation Research Center for Advanced Science and Technology,The University of Tokyo.()
2nd Author's Name Toshiyuki Ohmameuda
2nd Author's Affiliation Research Center for Advanced Science and Technology,The University of Tokyo.
3rd Author's Name Masayuki Miyazaki
3rd Author's Affiliation Research Center for Advanced Science and Technology,The University of Tokyo.
4th Author's Name Yoichi Okabe
4th Author's Affiliation Research Center for Advanced Science and Technology,The University of Tokyo.
Date 1993/7/26
Paper # SCE93-20
Volume (vol) vol.93
Number (no) 166
Page pp.pp.-
#Pages 6
Date of Issue