Stefan Lach, Anna Altenhof, Kartick Tarafder, Felix Schmitt, Md. Ehesan Ali, Michael Vogel, Jens Sauther, Peter M. Oppeneer and Christiane Ziegler Metal–Organic Hybrid Interface States of A Ferromagnet/Organic Semiconductor Hybrid Junction as Basis For Engineering Spin Injection in Organic Spintronics Advanced Functional Materials 22
Metal–organic open-shell molecules such as transition metal phthalocyanines (MPc) chemisorb on ferromagnetic surfaces and form hybrid interface states involving electronic states from the molecule and the substrate. These interface states are often spin-split and thus can act as a spin-filter. Shown is the CuPc semi-occupied orbital (SOMO) with its dx2-y2 character chemisorbed on Co(001) and corresponding spin-resolved photoemission data with high spin-down polarization directly at the Fermi level EF.
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