Jpn. J. Appl. Phys. 31 (1992) pp. L829-L831  |Next Article|  |Table of Contents|
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Observation of Josephson Junctionlike Behavior in Single-Crystal (Bi, Pb)₂Sr₂CaCu₂O_y

Gin-ichiro Oya, Naoto Aoyama, Akinobu Irie, Satoru Kishida¹ and Heizo Tokutaka¹

(Received March 4, 1992; accepted for publication May 16, 1992)

The dependences of critical current on the temperature and magnetic field and the current-voltage characteristics in response to incident microwave radiation are measured in the direction of the c-axis of the 80 K superconducting phase (Bi, Pb)₂Sr₂CaCu₂O_y bulk single crystal. Josephson junctionlike behavior is successfully observed, and it shows that the single crystal itself is composed of Josephson junctions along the c-direction and that its electrical transport in this direction is limited by intrinsic tunnel barriers existing in the single crystal.

URL: http://jjap.jsap.jp/link?JJAP/31/L829/
DOI: 10.1143/JJAP.31.L829

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