Design of the Local Spin Polarization at the Organic-Ferromagnetic Interface
Author(s)Lazic, Predrag; Atodiresei, Nicolae; Brede, Jens; Caciuc, Vasile; Hoffmann, Germar; Wiesendanger, Roland; Blügel, Stefan; ... Show more Show less
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By means of ab initio calculations and spin-polarized scanning tunneling microscopy experiments the creation of a complex energy dependent magnetic structure with a tailored spin-polarized interface is demonstrated. We show this novel effect by adsorbing organic molecules containing π(pz) electrons onto a magnetic surface. The hybridization of the out-of-plane pz atomic-type orbitals with the d states of the metal leads to the inversion of the spin polarization at the organic site due to a pz-d Zener exchange-type mechanism. As a key result, we demonstrate the possibility to selectively and efficiently inject spin-up and spin-down electrons from a ferromagnetic-organic interface, an effect which can be exploited in future spintronic devices.
DepartmentMassachusetts Institute of Technology. Department of Materials Science and Engineering
Physical Review Letters
American Physical Society
Atodiresei, Nicolae et al. “Design of the Local Spin Polarization at the Organic-Ferromagnetic Interface.” Physical Review Letters 105.6 (2010): 066601. © 2010 The American Physical Society.
Final published version