Accession Number : ADA294471

Title :   Predictions of the Spectra of the Rare-Earth Ions Ce(3+) Through Yb(3+) in the Two Sites of Ca5(PO4)3F.

Descriptive Note : Interim rept. 1 Jun 93-1 Nov 94,

Corporate Author : ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD

Personal Author(s) : Morrison, Clyde A.

PDF Url : ADA294471

Report Date : APR 1995

Pagination or Media Count : 72

Abstract : The results of fitting the experimental data on Er(3+) in the two Ca2+ sites of Ca5(PO4)3F are used to predict the crystal-field parameters for the entire rare-earth series. These crystal-field parameters are then used along with the free-ion wavefunctions determined with aqueous parameters to determine a set of energy levels of the rare-earth ions Ce(3+) through Yb(3+) for both Ca(2+) sites (Cal with C(sub 3) symmetry and Ca2 with C(sub s) symmetry) in Ca5(PO4)3F. Also, the Judd-Ofelt parameters, Omega k are determined for each ion in the Cal and Ca2 sites, as well as the Zeeman g factors for the ground states. jg

Descriptors :   *IONS, *CALCIUM, *CERIUM, *FLUORINE, *RARE EARTH COMPOUNDS, *PHOSPHATES, *YTTERBIUM, EXPERIMENTAL DATA, PREDICTIONS, PARAMETERS, WATER, CRYSTALS, GROUND STATE, WAVE FUNCTIONS, ENERGY LEVELS, ERBIUM, FITTINGS, ZEEMAN EFFECT.

Subject Categories : Inorganic Chemistry
      Physical Chemistry
      Crystallography
      Atomic and Molecular Physics and Spectroscopy

Distribution Statement : APPROVED FOR PUBLIC RELEASE