On the R 5d band polarization in rare-earth–transition metal compounds
- 9 December 2010
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 23 (2), 026001
- https://doi.org/10.1088/0953-8984/23/2/026001
Abstract
Magnetic measurements and band structure calculations were performed on RT(2) and RT(5) compounds, where R is a heavy rare-earth and T = Fe, Co, Ni, Al, as well as on pseudobinary compounds GdCo(2 - x)A(x) (A = Ni, Cu, Si), YFe(2 - x)V(x) and YCo(4 - x)Ni(x)B. The calculated moments per formula unit described well the experimentally determined magnetizations. By considering the 4f-5d-3d exchange interactions, we evaluate the contributions of local 4f-5d and short range 5d-3d interactions to R 5d and Y 4d band polarizations. The 4f-5d induced polarizations are proportional to the De Gennes factor and are the same for a given R and a similar type structure. The R 5d and Y 4d band polarizations induced by R 5d-T3d or Y 4d-T3d hybridizations are proportional to the number of neighbouring T atoms, to a given R, and their magnetic moments. Previous results on the matter are also discussed.Keywords
This publication has 38 references indexed in Scilit:
- Verification of Ni magnetic moment inLaves phase by magnetic circular dichroism measurementPhysical Review B, 2003
- Magnetic and electronic properties of DyNi5−xAlx compoundsJournal of Applied Physics, 2002
- Theoretical evaluation of R-T and R-R exchange coefficients in rare-earth (R)-transition-metal (T) intermetallic compoundsJournal of Magnetism and Magnetic Materials, 1992
- Spin-polarized energy-band structure, conduction-electron polarization, spin densities, and the neutron magnetic form factor of ferromagnetic gadoliniumPhysical Review B, 1974
- Magnetic characteristics of LnCo5ThCo5 pseudobinary systemsJournal of Solid State Chemistry, 1973
- Indirect exchange for rare earths in metalsJournal of Physics F: Metal Physics, 1972
- Intermetallic compounds of rare earth elements and Ni, Co, or Fephysica status solidi (a), 1971
- Magnetic Properties of Cu-Mn AlloysPhysical Review B, 1957
- A Theory of Metallic Ferro- and Antiferromagnetism on Zener's ModelProgress of Theoretical Physics, 1956
- Indirect Exchange Coupling of Nuclear Magnetic Moments by Conduction ElectronsPhysical Review B, 1954