title: Spin-resolved photoemission from submonolayer Ag on Si(111): Ag adsorption in the ( sqrt 3 x sqrt 3 )R30 degrees phase with no Ag-Ag interaction and in the 1 x 1 structure with strong Ag-Ag interaction.
authors.initials: B
authors.lastname: Vogt
authors.initials: B
authors.lastname: Schmiedeskamp
authors.initials: U
authors.lastname: Heinzmann