Rising of the irreversibility line in re-substituted Hg-1223 high Tc superconductors

被引：0
|
作者：
Fabrega, L [1 ]
Martinez, B [1 ]
Sin, A [1 ]
Pinol, S [1 ]
Fontcuberta, J [1 ]
Obradors, X [1 ]
机构：
[1] CSIC, Inst Ciencia Mat, E-08193 Bellaterra, Spain
来源：
APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2: VOL 1: SMALL SCALE AND ELECTRONIC APPLICATIONS; VOL 2: LARGE SCALE AND POWER APPLICATIONS | 1997年 / 158期
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O59 [应用物理学];
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摘要：
Transport and magnetization measurements as a function of Field and temperature, carried out on as-prepared and oxygen annealed Hg-1223 superconductors with 18% Re, indicate that this substitution increases the irreversibility line due to surface barriers, and also enhances bulk pinning at low temperatures (T less than or equal to 40K). Oxygen annealing slightly decreases T-c and has second order effects on the enhancement of the superconductor irreversibility.
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页码：1045 / 1048
页数：4
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