Laser Spectroscopy of Defect Chemistry in Conducting Materials |
Common terms and phrases
absorption activity addition anion annealing temperature assigned band behavior blue CaF2 caused Cd metal charge clusters cm¯¹ coefficient conductivity constant conversion correspond crystal crystal annealed cubic cubic site decrease defect delay dependence diffuse dimer disorder dissociated distribution dopant concentration doped effects electrons energy transfer Er³ Er3+ excitation and fluorescence excitation spectra excitation spectrum monitoring field Figure fluorescence spectra fluorescence transient fluoride fluoride ions function heat higher temperatures important impurity increases indicated intensity interactions interstitial ionic laser lattice levels lifetimes lines major manifold material measurements mechanism monitoring observed obtained PbF2 peaks phase phonon processes proposed quenched rare earth ions ratio relative relaxation result sample scavenging semiconducting shown in Figure single specific spectrum studied suggested superionic symmetry Table tion transition transition monitoring transition temperature vacancies vacuum Wavelength weak