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1/f conduction noise in the high-temperature superconductor Bi-Sr-Ca-Cu-O system |
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| Authors: | A. Maeda Y. Nakayama S. Takebayashi K. Uchinokura |
| Affiliation: | Department of Applied Physics, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113, Japan |
| Abstract: | Conduction noise was investigated in the normal state of the 2212 phase of the Bi-Sr-Ca-Cu-O system for polycrystals, highly oriented thin films, and single crystals. It was found that large noise with 1/f spectrum in this material is generated as a bulk effect. The magnitude of the noise power is 7–10 orders of magnitude larger than in normal metals even in single crystals. Several possible origins are discussed. |
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