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Dresden 2014 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 13: Focus Session: New Trends in Molecular Magnetism (MA jointly with O, TT)

O 13.5: Topical Talk

Montag, 31. März 2014, 17:00–17:30, HSZ 04

When Organic Materials Interact with Ferromagnetic Surfaces: A First-Principles Perspective — •Nicolae Atodiresei — Peter Grünberg Institut (PGI-1) and Institute for Advanced Simulation (IAS-1), Forschungszentrum Jülich and JARA, 52425 Jülich, Germany

The adsorption of π-conjugated organic materials on ferromagnetic surfaces offers the possibility to merge the concepts of molecular electronics with spintronics to build future nanoscale data storage, sensing and computing multifunctional devices. Based on the density functional theory, we performed theoretical studies to understand how to tailor the magnetic properties of organic-ferromagnetic interfaces. For such hybrid systems, the magnetic properties like molecular magnetic moments and their spatial orientation, the spin-polarization and the magnetic exchange coupling can be specifically tuned by an appropriate choice of the organic material and ferromagnetic surface. [1] N. Atodiresei et al., Phys. Rev. Lett. 105, 066601 (2010); [2] N. Atodiresei et al., Phys. Rev. B 84, 172402 (2011); [3] K. V. Raman et al., Nature 493, 509 (2013); [4] M. Callsen et al., Phys. Rev. Lett. 111, 106805 (2013).

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