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- W2128305428 abstract "Abstract We have succeeded in preparing RCo 4 Si compounds (R = Y, Nd, Pr, Sm, Gd, Tb, Dy, Ho and Er). All samples are single phase with the CaCu 5 structure as revealed by X-ray analysis. Si substitution drastically reduces the Curie temperature of the host RCo 5 compounds. In particular, we have observed a spontaneous magnetisation of 2.34 μ B /f.u. at 5 K for SmCo 4 Si, which is significantly lower than the value of 3.0 μ B /f.u. found for YCo 4 Si. Also the temperature dependence of the spontaneous magnetisation of SmCo 4 Si shows ferrimagnetic characteristics. These results suggest an antiparallel coupling of the 3d and 4f moments in SmCo 4 Si, which has so far not been observed in light-rare-earth—transition-metal compounds. The Co magnetocrystalline anisotropy and the crystalline electric field interaction of the compounds have been studied. The results suggest the distinctive role of Si substitution in modifying the magnetic properties of the host RCo 5 compounds." @default.
- W2128305428 created "2016-06-24" @default.
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- W2128305428 date "1999-05-01" @default.
- W2128305428 modified "2023-09-27" @default.
- W2128305428 title "Formation and magnetic properties of the RCo4Si compounds" @default.
- W2128305428 cites W2000058682 @default.
- W2128305428 cites W2057560800 @default.
- W2128305428 doi "https://doi.org/10.1016/s0304-8853(98)00948-2" @default.
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