X-ray photoemission studies of tellurium and some of its compounds

Abstract

The energies of the 3p_1/2,3/2, 3d_3/5,5/2, 4s, and 4d_3/2,5/2 photopeaks have been measured for tellurium metal and 23 of its compounds. An attempt is made to interpret chemical bonding in some of the tellurium compounds by comparing core level binding energy shifts with isomer shifts observed through Mossbauer spectroscopy. The widths of the 3p_3/2 photopeaks measured relative to the 3p_1/2 photopeaks are examined for broadening by electric field gradients and Coster–Kronig transitions. Variations in the spin–orbit splitting of the tellurium 4d level in its various compounds do not seem to be dependent on crystal field interactions.