Supramolecular spins valves

Supramolecular spin valves.
M. Urdampilleta, S. Klyatskaya, J-P. Cleuziou, M. Ruben, andW.Wernsdorfer
Nature Materials10, 502 (2011)

Molecular spin-valve electronic-transport characteristics. c) Zero-bias conductance measured as a function of the magnetic field.e) f) Schematic representation of the mechanism involving two TbPc2* SMM molecules (A and B) grafted on an SWCNT.

Spin valve MR induced by an AFM

A spin-valve-like magnetoresistance of an antiferromagnet-based tunnel junction.
B. G. Park1, J.Wunderlich, X. Martí, V. Holý, Y. Kurosaki, M. Yamada, H. Yamamoto,
A. Nishide, J. Hayakawa, H. Takahashi1, A. B. Shick and T. Jungwirth.
Nature Mater. 10, 347 (2011), News & Views: Nature Mater. 10, 344 (2011)  

A spin-valve-like signal in the NiFe/IrMn(1.5 nm)/MgO/Pt AFM tunnel device compared with the weak magnetoresistance of an FM NiFe/MgO/Pt tunnel junction.