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Regensburg 2013 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 37: Focus Session: Organic Materials for Spintronics: From Spinterface to Devices (jointly with HL, MA, O)

MA 37.2: Topical Talk

Donnerstag, 14. März 2013, 10:00–10:30, H32

Metal-phthalocyanines: Materials for molecular spintronics — •Jens Kortus1, Rico Friedrich1, Torsten Hahn1, Claudia Loose1, and Martin Knupfer21TU Bergakademie Freiberg, Germany — 2IFW Dresden, Germany

Metal-phthalocyanines (MPc) are very stable and can have different spin states depending on the transition metal ion. In this contribution we will discuss electronic, (magneto)optical and transport properties of MPc in view of possible application in spintronic devices.

In particular a recently investigated layered system of MnPc and F16CoPc shows charge transfer at an interface between two metal phthalocyanines, which is investigated in detail using density functional theory. These results are of importance for the application of such interfaces in organic electronic devices because charge transfer considerably affects the energy level alignment and the transport behaviour of the respective hetero-junction. Since the transfer of charge is also connected to a transfer of spin and the hybrid system has a net spin of S = 2, such compounds could also be termed spin-transfer materials with future applications in the area of spintronics [1].
[1] S. Lindner, M. Knupfer, R. Friedrich, T. Hahn, J. Kortus Phys. Rev. Lett. 109 (2012) 027601-1/5

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