Nearly total spin polarization in La2/3Sr1/3MnO3 from tunneling experiments

M. Bowen, M. Bibes, A. Barthelemy +4

We have performed magnetotransport measurements on La2/3Sr1/3MnO3 / SrTiO3 / La2/3Sr1/3MnO3 magnetic tunnel junctions. A magnetoresistance ratio of more than 1800 % is obtained at…