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Effect of spin-orbit coupling on the electronic structure of bismuthide YbAuBi

Jezierski A., Szytuła A., Kaczorowski D.

Materials Science Poland

2006

Vol. 24, No. 3

683--687

The electronic structure of ternary ytterbium YbAuBi and YbAuSn compounds was studied by X-ray photoemission spectroscopy (XPS) and ab-initio methods (LMTO-ASA, FP-LMTO, FPLO). The results showed that the valence bands in these compounds were formed by 4f orbitals of ytterbium and 5d orbitals of transition metals. The full relativistic band calculations (FP LMTO and FPLO) with spin-orbit coupling had shown that 4f peak consisted of two peaks that corresponded to Yb 4f7/2 and 4f5/2 doublet.