X-Ray Photoelectron Study of Lanthanide Borosilicate Glass

摘要

The elemental and ionic quantitative analyses of the synthetic lanthanide borosilicate glass (Al-B-Gd-Hf-La-Nd-Pu-Si-Sr-O) are performed using the characteristics of the X-ray photoelectron spectra of the outer-shell and inner-shell electrons in the binding energy range 0-1000 eV. The oxidation states of the metal ions in this glass are determined and correspond to the Al~(3+), La~(3+), Nd~(3+), Gd~(3+), Hf~(4+), Pu~(4+), Si~(4+), and Sr2~(2+) ions. Taking into account the binding energies of the O 1s electrons for the glass sample under investigation, the average lengths of metal-oxygen bonds on the surface of the sample are estimated to be 0.191 and 0.176 nm, which correspond to oxygen binding energies of 531.3 and 532,3 eV, respectively.