We report on the evolution of the P L2,3 VV Auger line shape with increasing Yb deposition onto the GaP(110) surface. Strong affinity with Si L2,3 VV profiles measured from the Si(111)/Yb interface and nearly-d0 metal silicides (Ca silicides, Gd silicides) is pointed out and fruitfully exploited to model the character of the P 3p-derived valence states in the Yb phosphidelike reaction products. The chemical bond is thus ascribed mainly to the formation of P 3p - Yb 5d hybrids.
P-DERIVED VALENCE STATES AT THE REACTIVE GAP(110)/YB INTERFACE VIA P L2,3VV AUGER LINE-SHAPE SPECTROSCOPY / M., SANCROTTI; L., DUO; R., COSSO; D'ADDATO, Sergio; A., RUOCCO; NANNARONE, Stefano; P., WEIGHTMAN. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 45:(1992), pp. 6255-6258. [10.1103/PhysRevB.45.6255]
P-DERIVED VALENCE STATES AT THE REACTIVE GAP(110)/YB INTERFACE VIA P L2,3VV AUGER LINE-SHAPE SPECTROSCOPY
D'ADDATO, Sergio;NANNARONE, Stefano;
1992
Abstract
We report on the evolution of the P L2,3 VV Auger line shape with increasing Yb deposition onto the GaP(110) surface. Strong affinity with Si L2,3 VV profiles measured from the Si(111)/Yb interface and nearly-d0 metal silicides (Ca silicides, Gd silicides) is pointed out and fruitfully exploited to model the character of the P 3p-derived valence states in the Yb phosphidelike reaction products. The chemical bond is thus ascribed mainly to the formation of P 3p - Yb 5d hybrids.
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