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Temperature dependence of the differential conductance at a normal: Superconductor interface

โœ Scribed by Randal C. Reinertson; Paul J. Dolan Jr; David L. Craig; Charles W. Smith

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
286 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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โœฆ Synopsis

Measurements of differential resistance as a function of voltage bias for normal :superconductor point contacts of Ag:Nb, Cu:Nb and Al :Nb were made as a function of temperature. Andreev reflection of the charge carriers at the normal :superconductor interface is clearly observed. Good agreement between experiment and theory is obtained in the point contact (metallic microstriction) range.

๐Ÿ“œ SIMILAR VOLUMES

Differential conductance of normal metal
Differential conductance of normal metal-insulator-d-wave superconductor junctions with interface roughness
โœ Jian-Xin Zhu; Z.D. Wang; D.Y. Xing; Z.C. Dong ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 447 KB

Within the framework of Blonder-Tinkham-Klapwijk (BTK) model and taking into account the interface roughness, we calculate the differential conductance of normal metal-insulator-d-wave superconductor junctions. We find that the tunneling spectrum depends strongly on both the incident angle of electr