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

Research output: Contribution to journalArticle

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 languageEnglish (US)
Pages (from-to)7945-7950
Number of pages6
JournalPhysical Review B
Volume45
Issue number14
DOIs
StatePublished - 1992

ASJC Scopus subject areas

  • Condensed Matter Physics

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    Chen, T. P., Zhao, Z. X., Yang, H. D., Wolf, E. L., Shelton, R. N., & Klavins, P. (1992). Proximity effect of Pb on heavy-fermion CeCu6. Physical Review B, 45(14), 7945-7950. https://doi.org/10.1103/PhysRevB.45.7945