Abstract
Ag films on GaAs(110) exhibit a one-dimensional quasiperiodic modulation, resulting in a Fibonacci sequence of parallel stripes with two different widths. Valence level photoemission shows that the Ag electronic states acquire a unique character along the quasiperiodic direction, distinctively manifested by a hierarchy of energy level replicas and avoided crossings at characteristic intervals in reciprocal space. These observations demonstrate the strong influence of the one-dimensional quasiperiodic potential on the Ag film states.
| Original language | English |
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| Pages (from-to) | 156401 |
| Number of pages | 1 |
| Journal | Physical Review Letters |
| Volume | 96 |
| Issue number | 15 |
| Early online date | 1 Apr 2006 |
| DOIs | |
| Publication status | Published - 1 Apr 2006 |