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Noise measurement of YBa2Cu3O7−xand Ti2Ba2Ca2Cu3O10−xthin films

 

作者: J. P. Zheng,   Q. Y. Ying,   S. Y. Dong,   H. S. Kwok,   S. H. Liou,  

 

期刊: Journal of Applied Physics  （AIP Available online 1991）
卷期: Volume 69, issue 1  

页码: 553-555

 

ISSN:0021-8979

 

年代: 1991

 

DOI:10.1063/1.347655

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The noise of YBa2Cu3O7−xand Tl2Ba2Cr2Cu3O10−xthin films in the frequency range from 0.5 Hz to 100 kHz was studied. In the normal state, it was found that 1/fnoise dominated, with a magnitude strongly dependent on temperature. In the superconducting state, the noise was only observable at frequencies below 5 Hz with our present setup. Equilibrium thermal fluctuation noise was not observed in these films.

 

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