Article

Abstract
The size distribution, structure and magnetic correlations between the grains of magnetic colloids are studied by electron microscopy, small angle scattering of X-rays and magnetic measurements. For water-base colloids (Fe3O4 in water) the grains behave as hard spheres dispersed in a carrier liquid. For toluene-base colloids (Co grains) a model of a grain constituted by a core of pure cobalt and a non magnetic sheath surrounding it is proposed. In toluene-base colloids, correlations have been observed which reveal a periodicity in the intergrain spacing. Strong magnetic anisotropy is reported for both colloids
Keywords

This publication has 0 references indexed in Scilit: