Proximity effect of Pb on heavy-fermion CeCu6

Tar Pin Chen; Z. X. Zhao; H. D. Yang; E. L. Wolf; R. N. Shelton; P. Klavins

doi:10.1103/PhysRevB.45.7945

Proximity effect of Pb on heavy-fermion CeCu6

Tar Pin Chen, Z. X. Zhao, H. D. Yang, E. L. Wolf, R. N. Shelton, P. Klavins

Applied Physics

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

Abstract

The onset temperatures of the superconducting transitions for Ag/Pb/quartz, Ag/Pb/CeCu6, and Ag/Pb/Cu sandwiches were measured using ac inductance. The proximity effect of the sandwiches are analyzed. Our results indicate that the proximity effect of Pb on CeCu6 is small compared to that of Pb on Cu and the superconducting wave function of Pb penetrates more into Cu than CeCu6. This agrees with the argument of mass mismatching and the short coherence length of the heavy-fermion system.

Original language	English (US)
Pages (from-to)	7945-7950
Number of pages	6
Journal	Physical Review B
Volume	45
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.45.7945
State	Published - 1992

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.45.7945

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abstract = "The onset temperatures of the superconducting transitions for Ag/Pb/quartz, Ag/Pb/CeCu6, and Ag/Pb/Cu sandwiches were measured using ac inductance. The proximity effect of the sandwiches are analyzed. Our results indicate that the proximity effect of Pb on CeCu6 is small compared to that of Pb on Cu and the superconducting wave function of Pb penetrates more into Cu than CeCu6. This agrees with the argument of mass mismatching and the short coherence length of the heavy-fermion system.",

author = "Chen, {Tar Pin} and Zhao, {Z. X.} and Yang, {H. D.} and Wolf, {E. L.} and Shelton, {R. N.} and P. Klavins",

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AU - Chen, Tar Pin

AU - Zhao, Z. X.

AU - Yang, H. D.

AU - Wolf, E. L.

AU - Shelton, R. N.

AU - Klavins, P.

PY - 1992

Y1 - 1992

N2 - The onset temperatures of the superconducting transitions for Ag/Pb/quartz, Ag/Pb/CeCu6, and Ag/Pb/Cu sandwiches were measured using ac inductance. The proximity effect of the sandwiches are analyzed. Our results indicate that the proximity effect of Pb on CeCu6 is small compared to that of Pb on Cu and the superconducting wave function of Pb penetrates more into Cu than CeCu6. This agrees with the argument of mass mismatching and the short coherence length of the heavy-fermion system.

AB - The onset temperatures of the superconducting transitions for Ag/Pb/quartz, Ag/Pb/CeCu6, and Ag/Pb/Cu sandwiches were measured using ac inductance. The proximity effect of the sandwiches are analyzed. Our results indicate that the proximity effect of Pb on CeCu6 is small compared to that of Pb on Cu and the superconducting wave function of Pb penetrates more into Cu than CeCu6. This agrees with the argument of mass mismatching and the short coherence length of the heavy-fermion system.

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Proximity effect of Pb on heavy-fermion CeCu6

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