Metal—ligand and π singlet—triplet transitions in phthalocyanine films studied by inelastic electron tunneling spectroscopy |
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Authors: | U Roll S Ewert H Lüth |
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Institution: | 2. Physikalisches Institut der Rheinisch-Westfalischen Technischen Hochschule Aachen, 5100 Aachen, Federal Republic of Germany |
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Abstract: | Inelastic electron tunneling spectroscopy (IETS) on AlAl2O3/PcPb tunneling junctions at 4.2 K has been used to study electronic transitions involving π, π≠ and metal-ligand orbitals of phthalocyanine (Pc) films (H2Pc, FePc, CoPc, NiPc, CuPc, ZnPc). The results are compared with calculations for Pc molecules. |
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