Superconducting intermediate state of white tin studied by muon-spin-rotation spectroscopy

Superconducting intermediate state of white tin studied by muon-spin-rotation spectroscopy
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μ子自旋旋转光谱研究白锡超导中间态

DOI：
10.1103/physrevb.64.024524
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发表时间：
2001
期刊：
影响因子：
--
通讯作者：
U. Zimmermann
U. Zimmermann
中科院分区：
--
文献类型：
--
作者：
V. S. Egorov;G. Solt;C. Baines;D. Herlach;U. Zimmermann

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测量了超导单晶b锡体在正常~N!跃迁附近和整个跃迁之间的局部磁场。和中间~我!状态为50.08 K。在不同的作用场dha下，数据表明在I态（at '295 Oe）发生了可逆相变，这被解释为从层流结构到管状结构的转变。在I→N转变附近，发生在HcI50.98Hc05300 Oe， theN域的场db与B′、Hc0强烈不均匀，它随着Ha的减小而增大，趋向于Hc05305.560.5 Oe。当在theN状态下降低ha时，观察到该状态的大“场过冷”（dH/Hc'6%）。
The local magnetic field in the bulk of superconducting single crystal b tin was measured near and across the transition between the normal ~N! and intermediate~I! state atT50.08 K. With varying applied fieldHa , the data indicate a reversible phase transition within the I state atHt'295 Oe, interpreted as a transition from the laminar to a tubular structure. Near the I→N transition, occurring at HcI50.98Hc05300 Oe, the fieldB in theN domains is strongly inhomogeneous with B̄,Hc0, it grows with the decrease of Ha towards the value Hc05305.560.5 Oe. On loweringHa in theN state, a large ‘‘field supercooling’’ ( dH/Hc'6%) of this state was observed.