Presentation 2005/2/3
Microwave-induced zero-crossing steps observed in BSCCO intrinsic Josephson junctions
Takashi TACHIKI, Shinjiro SOMEYA, Takashi UCHIDA, Yoshizumi YASUOKA,
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Abstract(in English) Microwave induced steps observed in I-V characteristics of Bi_2Sr_2CaCu_2O_<8+δintrinsic Josephson junctions are experimentally and numerically investigated and the mechanism producing the zero-crossing steps is discussed. The observation of steps in samples with different number of junctions and different sizes indicates that the observed steps were individually produced by each junction. A numerical simulation shows that high harmonics of an AC Josephson current were generated in the junctions. The origin of the steps can be explained by the inverse AC Josephson effect and the high harmonics of the irradiated micrwave frequency.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Microwave response / High-temperature superconductor / Josephson junction
Paper # SCE2004-38
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Committee SCE
Conference Date 2005/2/3(1days)
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Registration To Superconductive Electronics (SCE)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Microwave-induced zero-crossing steps observed in BSCCO intrinsic Josephson junctions
Sub Title (in English)
Keyword(1) Microwave response
Keyword(2) High-temperature superconductor
Keyword(3) Josephson junction
1st Author's Name Takashi TACHIKI
1st Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy()
2nd Author's Name Shinjiro SOMEYA
2nd Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
3rd Author's Name Takashi UCHIDA
3rd Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
4th Author's Name Yoshizumi YASUOKA
4th Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
Date 2005/2/3
Paper # SCE2004-38
Volume (vol) vol.104
Number (no) 655
Page pp.pp.-
#Pages 4
Date of Issue