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This paper reports on the effects of Li+, Na+, Mg2+, Ca2+, Sr2+, and Ba2+ co-doping on the\udscintillation properties of LaBr3:5%Ce3+. Pulse-height spectra of various gamma and X-ray\udsources with energies from 8 keV to 1.33 MeV were measured from which the values of light yield\udand energy resolution were derived. Sr2+ and Ca2+ co-doped crystals showed excellent energy\udresolution as compared to standard LaBr3:Ce. The proportionality of the scintillation response to\udgamma and X-rays of Ca2+, Sr2+, and Ba2+ co-doped samples also considerably improves. The\udeffects of the co-dopants on emission spectra, decay time, and temperature stability of the light\udyield were studied. Multiple thermoluminescence glow peaks, decrease of the light yield at\udtemperatures below 295 K, and additional long scintillation decay components were observed\udand related to charge carrier traps appearing in LaBr3:Ce3+ with Ca2+, Sr2+, and Ba2+ co-doping

Improvement of LaBr3:5%Ce scintillation properties by Li+, Na+, Mg2+, Ca2+, Sr2+, and Ba2+ co-doping