WebAug 31, 1998 · The broadband luminescence of isolated Cr + 3 ions in the title lattices is investigated. The 4 T 2g lowest excited state is found to undergo Jahn–Teller distortion in the e g coordinate, in addition to expanding along the a 1g.Quantitative determination of these displacements is made by analysis of extremely rich fine structure, the Ham … WebMar 1, 2024 · Herein, we report a series of tunable and highly efficient Ga 1.594-2x Sc 0.4 Mg x Ge x O 3:0.006Cr 3+ phosphors via regulating the crystal field environment in (Ga,Sc) 2 O 3:Cr 3+ system. This material exhibits a gradual red-shift of the emission spectra from 784 to 814 nm, and a spectral broadening with FWHM increased from 138 nm to 169 nm …
Luminescence and crystal growth of Cs2NaYCl6 Bi
WebApr 10, 1987 · Energy level data recently reported for the Cs2NaPrCl6, Cs2NaYCl6:Pr3+, and Cs2NaYBr6:Pr3+ systems are analysed in terms of a model hamiltonian that includes 14 ‘free-ion’ energy parameters ... Webmaterialsproject.org can gary burghoff play drums
(PDF) Energy levels of Er 3+ in Cs 2 NaErCl 6 - ResearchGate
WebMar 1, 2007 · The luminescence spectrum of Cs2NaScCl6:Pr (0.1 at.%) has been recorded at temperatures down to 10 K and assigned between 20,800 and 9900 cm. Twenty‐three … WebNov 1, 1994 · Energy level data recently reported for the Cs2NaPrCl6, Cs2NaYCl6:Pr3+, and Cs2NaYBr6:Pr3+ systems are analysed in terms of a model hamiltonian that includes 14 ‘free-ion’ energy parameters and … Expand. 24. Save. Alert. Non-resonant energy transfer from the 5D4 level of Tb3+ to the 5D0 level of Eu3+ WebOptical spectra of the elpasolite hexachloride compounds Cs2NaLnCl6, where Ln represents one of the lanthanide ions, are analyzed with a crystal‐field Hamiltonian of Oh symmetry. Crystal‐field parameters, Bnm, are found that minimize the rms deviation between calculated and experimental energy levels for Ln=Ce, Pr, Nd, Eu, and Tb. A set of ’’smoothed’’ Bnm … fitbit screen protector