Magnetic properties of Gd2(Fe1−x−yCoyTix)17

Serial single-phase Gd-2(Fe1-x-yCoyTix)(17) compounds have been synthesized. These compounds have a crystal structure belonging to rhombohedral lattice with R (3) over barm space group. The lattice parameters of compounds decrease with cobalt content and increase with titanium content, respectively. The saturation magnetization decreases with increasing cobalt and titanium contents. The anisotropy fields increase to maximum then decrease with cobalt concentration. The magnetocrystalline anisotropy constants increase with cobalt content from negative to positive maximum and then decrease with Co concentration. The saturation moment of the compounds decreases linearly with cobalt concentration and decreases nonlinearly with titanium concentration. (C) 2002 Elsevier Science B.V. All rights reserved.