STM studies of the proximity effect in superconducting wires with artificial pinning centers

Y. Levi; O. Millo; N. D. Rizzo; D. E. Prober; L. R. Motowidlo

doi:10.12693/APhysPolA.93.425

STM studies of the proximity effect in superconducting wires with artificial pinning centers

Y. Levi^*, O. Millo, N. D. Rizzo, D. E. Prober, L. R. Motowidlo

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Scanning tunneling microscopy and spectroscopy were applied to study the proximity effect with nanometer spatial resolution. The measurements were conducted on novel superconducting wires, which consist of an ordered array of submicron diameter normal metal filaments (Cu, Ni) embedded in a superconducting (NbTi) matrix. Spatially resolved information about the local density of states is obtained by taking I - V curves simultaneously with topographic images. Our data provide direct evidence on the interplay between the normal and superconducting constituents in the vicinity of the interface between them.

Original language	English
Pages (from-to)	425-430
Number of pages	6
Journal	Acta Physica Polonica A
Volume	93
Issue number	2
DOIs	https://doi.org/10.12693/APhysPolA.93.425
State	Published - 1998

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10.12693/APhysPolA.93.425

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STM studies of the proximity effect in superconducting wires with artificial pinning centers

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