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DS: Fachverband Dünne Schichten
DS 35: Poster I: Application of thin films; Focus session: Sensoric micro and nano-systems; Focus Session: Sustainable photovoltaics with earth abundant materials; Graphen (joint session with TT; MA; HL; DY; O); Ion and electron beam induced processes; Layer properties: electrical, optical, and mechanical properties; Magnetic/organic interfaces, spins in organics and molecular magnetism; Micro- and nanopatterning (jointly with O); Organic electronics and photovoltaics (jointly with CPP, HL, O); Thermoelectric materials
DS 35.48: Poster
Wednesday, April 2, 2014, 17:00–20:00, P1
Characterisation of Terbium(III) Bis(phthalocyanine)/Cobalt Heterostructures by Ellipsometry and Magneto-optical Kerr Effect Spectroscopy — •Peter Robaschik1, Michael Fronk1, Svetlana Klyatskaya2, Mario Ruben2,3, Dietrich R.T. Zahn1, and Georgeta Salvan1 — 1TU Chemnitz, 09126 Chemnitz, Germany — 2KIT, 76344 Eggenstein-Leopoldshafen, Germany — 3ICPMS, 67034 Strasbourg, France
The single molecule magnet (SMM) terbium(III) bis(phthalocyanine) is considered as a promising candidate for spintronic applications. In this work, films with thicknesses below 100 nm were deposited by organic molecular beam deposition on ferromagnetic, in-plane magnetized Co films. The (magneto-)optical properties were investigated by means of variable angle spectroscopic ellipsometry (VASE) and magneto-optical Kerr effect (MOKE) spectroscopy at room temperature. The molecular orientation was determined from the degree of uniaxial anisotropy of the optical constants and from the amplitude of the magneto-optical Voigt constant. The magnetic coupling of the molecules with the substrate is investigated by MOKE magnetometry in the temperature range from 4 K to 300 K.