Research Papers in Physics and Astronomy

 

Date of this Version

2008

Comments

Published in J. Phys. Chem. C 2008, 112, 13656–13662.

Abstract

Using light-polarization-dependent angle-resolved photoemission, the metal-organic molecule bis(4-cyano- 2,2,6,6-tetramethyl-3,5-heptanedionato)copper(II) (or Cu(CNdpm)2, i.e., C24H36N2O4Cu, Cu(II)) is observed to adopt a preferential orientation that depends on the film thickness and substrate when adsorbed on Co(111) and Cu(111). In addition, the final-state binding energies change with film thickness, suggesting the substrates affect the screening or charging in the photoemission final state. For Cu(CNdpm)2 deposited on Co(111), the induced spin polarization was found to depend strongly on the molecular orbital contributions.

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