On the reproducibility of the resistive transition anomalies in superconducting nanostructures

被引：0

作者：

Arutyunov, KY ^{[1
]}

Lotkhov, SV ^{[1
]}

Pavolotski, AB ^{[1
]}

Presnov, DE ^{[1
]}

Rinderer, L ^{[1
]}

机构：

[1] UNIV LAUSANNE,INST PHYS EXPT,CH-1015 LAUSANNE,SWITZERLAND

来源：

HELVETICA PHYSICA ACTA | 1996年 / 69卷

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Four contact R(T) measurements have been performed for various multi-probe aluminium nanostructures. For several samples (combinations of probes) the resistance at the top of superconducting transition can increase the corresponding normal state value. The effect is not fully reproducible, being dependent upon cooling history and particular arrangement of voltage and current probes. While the resistive transition, the inevitably formed normal superconducting boundary is considered to be responsible for the observed anomaly due to additional voltage step at the N/S interface. The absence of full reproducibility of experimental results is attributed to the dramatic sensitivity of mesoscopic-size samples transport properties on the variation of boundary (scattering) conditions.

引用

页码：31 / 32

页数：2

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