Abstract
Quantum-well states have been observed with angle-resolved photoemission for Ag overlayers with thicknesses up to 40 monolayers epitaxially grown on Au(111). These states are observed within an energy window of 1 eV. The complementary system, Au on Ag(111), exhibits no such states. The results can be explained in terms of the band-structure mismatch between Au and Ag. The coherence length of the states and quasibound quantum-well resonances will be discussed.
Original language | English |
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Pages (from-to) | 1404-1407 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 61 |
Issue number | 12 |
DOIs | |
State | Published - 1988 |
Externally published | Yes |