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Author Paggel, J. J. ♦ Miller, T. ♦ Chiang, T.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword MATERIALS SCIENCE ♦ FERMI LEVEL ♦ SILVER ♦ ELECTRON-PHONON COUPLING ♦ ELECTRONIC STRUCTURE ♦ TEMPERATURE DEPENDENCE ♦ DE HAAS-VAN ALPHEN EFFECT ♦ PHOTOEMISSION ♦ THIN FILMS ♦ EFFECTIVE MASS ♦ SYNCHROTRON RADIATION
Abstract The band dispersion and lifetime width for the sp valence electrons in Ag are determined with unprecedented accuracy as a function of temperature. The resulting Fermi wave vector challenges the venerable de Haas{endash}van Alphen value, and shows the latter to be off by 1{percent}. 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. {copyright} {ital 1999} {ital The American Physical Society}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1999-08-01
Publisher Place United States
Journal Physical Review Letters
Volume Number 83
Issue Number 7


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