ENHANCED AC CONDUCTIVITY BELOW T(C) IN FILMS OF YBA2CU3O7-DELTA

被引：7
|
作者：
MOONEN, JT
ADRIAANSE, LJ
BROM, HB
CHEN, NY
VANDERMAREL, D
HORBACH, ML
VANSAARLOOS, W
机构：
[1] DELFT UNIV TECHNOL, FAC APPL PHYS, 2628 CJ DELFT, NETHERLANDS
[2] LEIDEN UNIV, INST LORENTZ THEORET PHYS, 2300 RA LEIDEN, NETHERLANDS
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 21期
关键词：
D O I：
10.1103/PhysRevB.47.14525
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In superconductors, close to the transition temperature, a peak in the real part of the conductivity sigma1(T,omega), can appear for several reasons. We show that even in the two-fluid model, a peak is present when there is a distribution of T(c)'s in the sample. A parasitic inductance modifies the features of a peak considerably, but in general does not generate a peak by itself. We illustrate this by four-contact-impedance measurements on thin (3000-angstrom) films of YBa2Cu3O7-delta in the kHz regime.
引用
收藏
页码：14525 / 14531
页数：7
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