Temperature dependent complex band structure and electron-phonon coupling in Ag

J. J. Paggel; T. Miller; T. C. Chiang

doi:10.1103/PhysRevLett.83.1415

Temperature dependent complex band structure and electron-phonon coupling in Ag

J. J. Paggel, T. Miller, T. C. Chiang

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

44 Scopus citations

Abstract

The band dispersion and lifetime width for the spvalence electrons in Ag are determined with unprecedented accuracy as a function of temperature. The resulting Fermi wave vector challenges the venerable de Haas-van Alphen value, and shows the latter to be off by 1%. The electron-phonon mass enhancement parameter is deduced for the first time for a bulk state, and it is significantly larger than theoretical estimates. These measurements are made by photoemission from quantum well states in atomically uniform films of Ag.

Original language	English
Pages (from-to)	1415-1418
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.83.1415
State	Published - Jan 1 1999
Externally published	Yes

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10.1103/PhysRevLett.83.1415

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Temperature dependent complex band structure and electron-phonon coupling in Ag

Abstract

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