1/F NOISE AND MORPHOLOGY OF YBA2CU3O7-DELTA SINGLE-CRYSTALS

被引：52

作者：

SONG, Y

MISRA, A

CROOKER, PP

GAINES, JR

机构：

[1] Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.66.825

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

1/f noise measurements have been performed on YBa2Cu3O7-delta single crystals with distinctive resistivity characteristics. The noise spectral density is found to be several orders of magnitude larger than that of metals, with a temperature dependence that is independent of the resistivity. In the superconducting-transition region, we do not observe anomalously enhanced 1/f noise. We discuss the important role played by the crystal morphology and we present a tunneling model which explains the experimental data quantitatively.

引用

页码：825 / 828

页数：4

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