Abstract
The magnetic and magnetoelastic properties of have been investigated. The stable single Laves phase is synthesized at ambient pressure for . The successful formation of this Laves phase can be ascribed to the strong Ce 4f bonding. Spin reorientation is observed around 150 K for Nd stoichiometric concentrations above 0.2. The lattice parameter, Curie temperature, low-temperature saturation magnetization and room-temperature anisotropic magnetostriction all increase with the Nd concentration. This indicates that the effect of the Ce ion is only dilution of the magnetism. is ferromagnetic with an estimated magnetic moment of per formula unit, a Curie temperature of 589 K and a room-temperature magnetostriction coefficient of 420 ppm. The largest saturation magnetostriction 320 ppm, is obtained at x = 0.2. No apparent evidence of Ce ions changing their valence was observed.
Published Version
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