Electronic excitations of potassium intercalated manganese phthalocyanine investigated by electron energy-loss spectroscopy

Details Electronic excitations of potassium intercalated manganese phthalocyanine investigated by electron energy-loss spectroscopy Electronic excitations of potassium intercalated manganese phthalocyanine investigated by electron energy-loss spectroscopy

2011-04-28

arxiv.org/abs/1104.5321v1

J. Chem. Phys. 134, 194504 (2011)

Physics

Condensed Matter

Materials Science

12 pages, 8 figures

Scientific paper

10.1063/1.3591347

The electronic excitations of manganese phthalocyanine (MnPc) films were studied as a function of potassium doping using electron energy-loss spectroscopy in transmission. Our data reveal doping induced changes in the excitation spectrum, and they provide evidence for the existence of three doped phases: K$_1$MnPc, K$_2$MnPc, and K$_4$MnPc. Furthermore, the addition of electrons first leads to a filling of orbitals with strong Mn 3d character, a situation which also affects the magnetic moment of the molecule.

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