Fabrication of Bi2212 Cross Whiskers Junction

Akihiro Fukuyo; Akira Ishii; Kazumasa Togano; Shunichi Arisawa; Takeshi Hatano; Yoshihiko Takano; Yoshimasa Sato

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Fabrication of Bi2212 Cross Whiskers Junction

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arxiv cond-mat/0203111 v1 pith:6MX4B3F4 submitted 2002-03-06 cond-mat.supr-con

Yoshihiko Takano , Takeshi Hatano , Akira Ishii , Akihiro Fukuyo , Yoshimasa Sato , Shunichi Arisawa , Kazumasa Togano This is my paper · ORCID

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keywords bi2212exhibitedintrinsicjosephsonjunctionresistancewerewhiskers

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An intrinsic Josephson junction has been successfully fabricated without any micro-fabrication technique. Two Bi2212 whiskers were crossed with one another and joined by post-annealing. The inter-whisker electrical transport properties were measured by the four-probe method. The temperature dependence of resistance exhibited metallic behavior above TC. The resistance decreased to zero around 80K, corresponding to the superconducting transition. The current-voltage characteristics at 5K exhibited a small hysteresis and voltage jump, which can be explained by the intrinsic Josephson effect.

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