DTIC ADA030658: Rare Earth Ion Host Lattice pdf

DTIC ADA030658: Rare Earth Ion Host Lattice

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Phenomenological even-fold crystal field parameters, B(km) for D(2d) site symmetry are determined that yield a least-rms deviation of 6.7 cm between calculated and measured energy levels for Er(3+) in YAsO4. Crystal field components, A(km), are determined by a sum over the YAsO4 lattice, and B(km) are then calculated for the lanthanides in this material. These parameters are used to calculate Stark split energy levels and squared-matrix elements of the electric dipole operator between the energy states for the triply ionized lanthanides in YAsO4

• Creator/s: Defense Technical Information Center
• Date: 8/1/1976
• Year: 1976
• Book Topics/Themes: DTIC Archive, Wortman, Donald E., Karayianis, Nick, Morrison, Clyde A., HARRY DIAMOND LABS ADELPHI MD, *ENERGY LEVELS, *ARSENIC COMPOUNDS, *YTTRIUM COMPOUNDS, *RARE EARTH ELEMENTS, *LASER MATERIALS, NEODYMIUM, PRASEODYMIUM, ELECTRON TRANSITIONS, ELECTROSTATIC FIELDS, ERBIUM, HOLMIUM, THULIUM, TERBIUM, DYSPROSIUM, TABLES(DATA), OXIDES, CRYSTAL LATTICES, INTERACTIONS, IONS, FLUORESCENCE

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