Two-dimensional behavior of bulk high-temperature superconductors

被引：0
|
作者：
Mikheenko, PN [1 ]
Abaliosheva, IS [1 ]
Lewandowski, SJ [1 ]
机构：
[1] POLISH ACAD SCI,INST PHYS,PL-02668 WARSAW,POLAND
来源：
FIZIKA NIZKIKH TEMPERATUR | 1996年 / 22卷 / 04期
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Using the power-law analysis of current-voltage characteristics, the new data have been obtained corroborating the realization in granular high-T-c samples the two-dimensional behavior with an anomalously large difference between mean-field critical temperature and the temperature of Berezinsky-Kosterlitz-Thouless transition. It is shown that such a behavior is due to a small effective thickness of superconducting layers and their non-perfect attachment in the HTS intergranular boundaries of metal oxides.
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页码：364 / 374
页数：11
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