STRUCTURAL AND MAGNETIC BEHAVIOUR OF SOME OXIDE GLASSES CONTAINING CERIUM IONS
Pages 117-120
E.Culea, M.Neumann, A.Takacs, Lidia Pop, M.Culea, M.Bosca, R.Marcean
Abstract
Glasses with the xCeO2(1-x)(3Bi2O3×PbO) composition (0 ≤ x ≤ 0.15) were obtained and studied by IR spectroscopy, magnetic susceptibility and XPS measurements. IR data show that addition of cerium ions generates structural changes of the host glass matrix and the cerium ions play a network modifier role. XPS data show that the cerium ions play also the intermediate ion role in the studied glasses. Magnetic susceptibility data show that the majority of the cerium ions are reduced from the 4+ to the 3+ valence state.