Magnetic Moments of Alloys and Compounds of Iron and Cobalt with Rare Earth Metal Additions

Abstract

In order to determine whether ferromagnetic or antiferromagnetic exchange coupling would result from alloying the rare earth metals with cobalt or iron, a number of melts were made containing these elements. The data on saturation magnetization with composition and on saturation magnetization with temperature obtained on the cobalt‐gadolinium system indicates strongly that antiferromagnetic exchange coupling exists in this system.