Abstract:Nd 0.52 Sr 0.48 MnO 3 films with the different thickness have been prepared by dc magnetron sputtering on LaAlO 3 (001) single-crystalline substrates. A decrease of the film thickness leads to a significant suppression of the ferromagnetic (FM) ordering and the Curie point becomes below the antiferromagnetic (AFM) transition temperature. As this take place, a huge rise of the magnetoresistance ratio from 400 to 60 000% at an applied magnetic field of 5 T is observed. We consider that this new kind of the enhan… Show more
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