OSCILLATION PERIOD OF MAGNETORESISTANCE AND TEXTURE IN CO CU-NI AND NI-FE/CU-NI MULTILAYERS/

We have investigated oscillations of magnetoresistance ratio and film texture in Co/Cu-Ni and Ni-Fe/Cu-Ni multilayers. As the non-magnetic l ayer thickness was changed, the magnetoresistance ratio oscillated in both the Co/Cu-Ni and the Ni-Fe/Cu-Ni multilayers. The film texture al so oscillated between (100) and (111), As the Ni concentration of the Cu-Ni non-magnetic layers increased, the oscillation period of the mag netoresistance ratio became longer in both the multilayers, The oscill ation period of the texture also became longer. These results indicate that the changes of the neck diameter of the Fermi surface of the Cu- Ni layers vary the periods of the oscillations in both the magnetoresi stance ratio and the texture.