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Duration of the Luminescence Process
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absorbed absorption bands absorption spectrum according activator afterglow anthracene aqueous solution ascribed band system base material benzene blue cadmium centers collisions components compounds concentration conduction band corresponding decrease degree of polarization depolarization dissociation doublet electric electronic transition emission bands emission spectrum emitted energy Equation europium excited molecules exciting light F-centers Figure fluo fluorescein fluorescence fluorescence bands fluorescence spectrum fluorescence yield frequency greater wavelengths green halides hydrogen hyperfine structure increasing instance iodine ions irradiation lattice Lenard lifetime light absorption light of wavelengths liquid solutions luminescence magnetic field mercury atoms mercury resonance mercury vapor metal metastable molecules naphthalene nitrogen observed obtained occur oscillator oxide peak phosphorescence phosphors photoluminescence Phys potential curves probability quantum number quenching relatively rescence resonance line resonance radiation resonance spectra room temperature rotational salts samarium slow fluorescence sodium solvent spectra strong sulfate sulfide Table thallium transferred traps uranyl values vapor pressure vibrational levels wavelength zinc