This title appears in the Scientific Report : 2015 

Molecular anisotropic magnetoresistance
Otte, Fabian (Corresponding author)
Heinze, Stefan / Mokrousov, Yuriy
Quanten-Theorie der Materialien; IAS-1
JARA-FIT; JARA-FIT
Quanten-Theorie der Materialien; PGI-1
Physical review / B, 92 (2015) S. 220411(R)
College Park, Md. APS 2015
10.1103/PhysRevB.92.220411
Journal Article
Controlling Spin-Based Phenomena
OpenAccess
OpenAccess
Please use the identifier: http://hdl.handle.net/2128/9607 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevB.92.220411 in citations.
Using density functional theory calculations, we demonstrate that the effect of anisotropic magnetoresistance (AMR) can be enhanced by orders of magnitude with respect to conventional bulk ferromagnets in junctions containing molecules sandwiched between ferromagnetic leads. We study ballistic transport in metal-benzene complexes contacted by 3d transition-metal wires. We show that a gigantic AMR can arise from spin-orbit coupling effects in the leads, drastically enhanced by orbital-symmetry filtering properties of the molecules. We further discuss how this molecular anisotropic magnetoresistance (MAMR) can be tuned by the proper choice of materials and their electronic properties.