title: Quasicrystalline electronic states of a one-dimensionally modulated Ag film.
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.
authors.affiliation: Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche, Trieste, Italy.
authors.forename: P
authors.initials: P
authors.lastname: Moras
authors.forename: W
authors.initials: W
authors.lastname: Theis
authors.forename: L
authors.initials: L
authors.lastname: Ferrari
authors.forename: S
authors.initials: S
authors.lastname: Gardonio
authors.forename: J
authors.initials: J
authors.lastname: Fujii
authors.forename: K
authors.initials: K
authors.lastname: Horn
authors.forename: C
authors.initials: C
authors.lastname: Carbone