The separation of short range order and size effect diffuse scattering

Abstract

Short range order diffuse scattering in binary substitutional solid solutions is often obscured by modulations associated wlth the fact that the two kinds of atoms are of different sizes. A method is described for the separation of these two components of the diffuse scattering, and it is illustrated by its application to CuAu. It is suggested that a determination of the size effect coefficients along with the short range order parameters will provide a greater insight into the short range structure of an alloy. (auth)