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We investigate spin precession (Hanle effect) in the prototypical organic spintronic giant magnetoresistance device La0.7Sr0.3MnO3/tris(8-hydroxyquinoline)/AlOx/Co. The Hanle effect is not observed in measurements taken by sweeping a magnetic field at different angles from the plane of the device. As possible explanations we discuss the tilting out of plane of the magnetization of the electrodes, exceptionally high mobility, or hot spots. Our results call for a greater understanding of spin injection and transport in such devices.
American Institute of Physics
Publication date: 
4 Mar 2013

Alberto Riminucci, Mirko Prezioso, Chiara Pernechele, Patrizio Graziosi, Ilaria Bergenti, Raimondo Cecchini, Marco Calbucci, Massimo Solzi, V Alek Dediu

Biblio References: 
Volume: 102 Issue: 9 Pages: 092407
Applied Physics Letters