Superconducting magnetization above the irreversibility line in Tl2Ba2CuO6+δ

被引：56
作者：
Bergemann, C
Tyler, AW
Mackenzie, AP
Cooper, JR
Julian, SR
Farrell, DE
机构：
[1] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[2] Univ Cambridge, Interdisciplinary Res Ctr Superconduct, Cambridge CB3 0HE, England
[3] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA
来源：
PHYSICAL REVIEW B | 1998年 / 57卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.57.14387
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tl2Ba2CuO6+delta. There crystals with different levels of oxygen overdoping were investigated in magnetic fields up to 10 T. In all cases, the magnetization above the irreversibility line was found to depart from the behavior M similar to In(eta H-c2\H) of a simple London-like vortex liquid. In particular, for a strongly overdoped (T-c =15 K) crystal, the remnant superconducting order above the irreversibility line is characterized by a linear diamagnetic response (M similar to H) that persists well above T-c and also up to the highest field employed.
引用
收藏
页码：14387 / 14396
页数：10
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