Fabrication of Bi2212 Cross Whiskers Junction

Details Fabrication of Bi2212 Cross Whiskers Junction Fabrication of Bi2212 Cross Whiskers Junction

2002-03-06

arxiv.org/abs/cond-mat/0203111v1

Physica C 362 (2001) 261

Physics

Condensed Matter

Superconductivity

3 page PDF file

Scientific paper

10.1016/S0921-4534(01)00683-9

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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