Core level spectroscopy of RbTiOPO4 and chemical bonding in KTiOPO4 crystal family

Valence band structure and electronic parameters of constituent element core levels of RbTiOPO
₄
have been analyzed with X-ray photoemission spectroscopy. Detailed photoemission spectra of the element core levels have been recorded under excitation by nonmonochromatic Al Kα radiation (1486.6 eV). The Ti-O and P-O chemical bonding in RbTiOPO
₄
have been considered using binding energy difference parameters and compared with those earlier reported for complex titanates and phosphates.