The spin moments in a $\mathrm{Ce}({\mathrm{Fe}}_{0.96}{\mathrm{Ru}}_{0.04}{)}_2$ sample at 20, 50, 70, 150, and 190 K have been determined from magnetic Compton scattering experiments. The measurements on polycrystalline samples were carried out on beam line BL08W at super photon ring 8 GeV (SPring-8), Japan with 274.46-keV elliptically polarized synchrotron radiations. It is seen that the variation of magnetic effect (deduced from the ratio of the magnetic to charge intensities) is consistent with the antiferromagnetic and paramagnetic transitions, as seen in resistivity and magnetization studies. The data is analyzed for temperature-dependent spin moment contributions from different magnetic electrons of Ru-doped ${\mathrm{CeFe}}_2.$

• Received 26 June 2001

DOI:https://doi.org/10.1103/PhysRevB.66.012411