title: Structural, electronic, bonding, magnetic, and optical properties of bimetallic [Ru(n)Au(m)](0/+) (n + m ≤ 3) clusters.
authors.affiliation: Faculty of Chemistry, Laboratory of Applied Quantum Chemistry, Aristotle University of Thessaloniki, Thessaloniki 541 24, Greece.
authors.forename: Dimitrios N
authors.initials: DN
authors.lastname: Garbounis
authors.forename: Athanassios C
authors.initials: AC
authors.lastname: Tsipis
authors.forename: Constantinos A
authors.initials: CA
authors.lastname: Tsipis