Luminescence in Y−b2−sO−b3−s:Eu−p3−s−p +−s and Y−b2−sO−b2−sS:Eu−p3−s− P+−s Phosphors |
Common terms and phrases
5D emissions 5D levels 611 nm emission band gap C3-C₂ energy transfer cm³¹ conduction band constant Counts Seec counts/5 CTS absorption CTS EXCITATION 355 CTS minimum decay curve dewar diode distribution of traps Elmanharawy emission line Eu³ Eu3+ ion EXCITATION 350 excitation spectra exciton exponential decay F-center fitting function Fluorescence spectrum Fonger and Struck gaussian glow curve glow peak heating rate Heber higher temperature interaction lattice lifetime line emission luminescence center magnetic dipole transitions Masters Physics 1987 nitrogen nitrogen laser P42 Copy phosphor phosphorescence measurements photomultiplier photon plot PMT signal probability radiative transition rare-earth result sample chamber seen in Fig selective excitation semilog shown in Fig slope solid lines TEKTRONIX Temperature dependences temperature increased thermal thermoluminescence transfer and storage trap activation energies trap depth trap energies trapped electron University of Virginia valance band viewport W. H. and Struck wavelengths Y₂O₂S:Eu³ Zener diode