INFLUENCE OF STRUCTURAL QUALITY ON GMR IN FE MO MULTILAYERS/

A comparative study of structure and GMR for sputtered Fe/Mo multilaye r films (MLF) shows that an interface roughness to a certain extent is in favour of GMR, The Fe buffer layer increases GMR by improving the coherent crystallite growing and increasing interface roughness withou t changing the crystallite orientation, The MLF with thinner Mo-layer exhibits a weak temperature dependence of GMR which can be ascribed to the relatively larger contribution from the impurity and structural i mperfection scatterings at interfaces as compared with the phonon scat tering. (C) 1998 Elsevier Science B.V. All rights reserved.