Orbital-specific electronic interaction in crystalline films of iron phthalocyanine grown on Au(111) probed by angle-resolved photoemission spectroscopy. (1st February 2018)

• Record Type: Journal Article
• Authors: Yamane, Hiroyuki; Carlier, Andy; Kosugi, Nobuhiro
• Is Part Of: Materials chemistry frontiers. Volume 2:Number 3(2018)
• Page Start: 609
• Page End: 614
• Publication Date: 2018-02-01
• Subjects: Materials science -- Periodicals; Chemistry -- Periodicals; 540
• DOI: 10.1039/c7qm00558j
• Languages: English
• ISSNs: 2052-1529

Abstract

Abstract : Orbital-specific electronic interaction as a key to understanding unique molecular electronic and magnetic properties. Abstract : The orbital-specific interfacial and intermolecular interactions in crystalline films of iron phthalocyanine (FePc) grown on an Au(111) surface were studied by means of angle-resolved photoemission spectroscopy (ARPES) with synchrotron radiation. The temperature-dependent ARPES measurement on the FePc monolayer reveals the formation of the molecule–metal hybrid state together with the Kondo resonance state below the Fermi level. These interface-specific states are derived from the electronic coupling of the Fe 3d orbital in the molecule with the Au(111) surface electron. For the flat-lying FePc multilayer on Au(111), the photon-energy-dependent ARPES spectra reveal the intermolecular valence-band dispersion for the C 2p-derived state, while the Fe 3d-derived state does not show such dispersion, indicating the localized Fe 3d spin state. These orbital-specific interactions play crucial roles in the unique electronic and magnetic properties of FePc.