Magnetocaloric Effect and Magnetic Properties of High Pressure Synthesized RhFe Compound

摘要

The studies of X-ray diffraction, magnetization, magnetocaloric effect, and 57Fe Mossbauer spectra have been performed in a bulk sample of RhFe compound synthesized under high pressure. It have been found that RhFe has fcc-type of crystal structure at room temperature and, shows the first order magnetic transition from the antiferromagnetic-like to ferromagnetic state close to 338 K at 5T magnetic field. This type of behavior has been verified by differential scanning calorimetry, magnetization and Mossbauer techniques. The irreversible transition from antiferromagnetic to stable ferromagnetic state has been observed after heating of sample up to 573 K.