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Regensburg 2016 – scientific programme

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DS: Fachverband Dünne Schichten

DS 9: Organic Thin Films II

DS 9.7: Talk

Monday, March 7, 2016, 16:30–16:45, H11

Magnetic transition metal phthalocyanine thin films, tuning of electronic properties via alkali metal doping — •Olga Molodtsova1,2, Sergey Babenkov1, Ralf Nyholm3, Karina Schulte3, Denis Vyalikh4, Oleg Vilkov4, Volodymyr Maslyuk5, Ingrid Mertig5, Thomas Bredow6, and Victor Aristov1,7,81DESY, Hamburg, Germany — 2ITMO, Saint Petersburg, Russia — 3Max-lab, Lund, Sweden — 4BESSY, Berlin, Germany — 5Uni Halle, Germany — 6Uni Bonn, Germany — 7ISSP RAS, Chernogolovka, Russia — 8TU Bergakademie, Freiberg, Germany

The evolution of electronic structure of the MTM-Pc*s intrinsic and with potassium doping has been studied by means of photoemission spectroscopy, near-edge X-ray absorption fine structure and DFT calculations. The DFT calculations and detailed analysis of the core-level spectra permit us to suggest possible lattice sites for the potassium ions. The data disclosed filling of the lowest unoccupied molecular orbital upon doping and associated changes of the core level absorption spectra. None of the films prepared in our studies showed a finite electronic density of states at the Fermi level. This work was supported by the RFBR Grant No. 13 -02-00818 and the BMBF-Project No. 05K12GU2, PSP-Element No. U4606BMB1211

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