Giant magnetoresistance in electrodeposited superlattices

We have observed "giant magnetoresistance'' in short-period Cu/Co-Ni-Cu alloy superlattices electrodeposited from a single electrolyte under potentiostatic control. The superlattices were grown on polycrystalline Cu substrates which were removed before transport measurements were made. Room-temperature magnetoresistances of over 15% in applied magnetic fields of up to 8 kOe were observed in superlattices having Cu layer thickness of less than 10 angstrom

Growth and characterization of electrodeposited Cu/Cu-Ni-Co alloy superlattices

We have used a recently developed potentiostatic technique to electrodeposit Cu/Cu-Ni-Co alloy superlattices from a single electrolyte. Our films have been characterized using X-ray diffraction, electron backscatter diffraction patterns and electron probe microanalysis. Good epitaxy and repeat distances as short as 15 angstrom have been achieved