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Alekhin, M.S. (author), De Haas, J.T.M. (author), Khodyuk, I.V. (author), Krämer, K.W. (author), Menge, P.R. (author), Ouspenski, V. (author), Dorenbos, P. (author)Commercially available LaBr3:5% Ce3+ scintillators show with photomultiplier tube readout about 2.7% energy resolution for the detection of 662?keV ?-rays. Here we will show that by co-doping LaBr3:Ce3+ with Sr2+ or Ca2+ the resolution is improved to 2.0%. Such an improvement is attributed to a strong reduction of the scintillation light losses...journal article 2013
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Selling, J. (author), Schweizer, S. (author), Birowosuto, M.D. (author), Dorenbos, P. (author)Single crystals of Ce-activated BaCl2, BaBr2, and BaI2 were investigated under x-ray and ?-ray excitation. The Ce3+-related x-ray excited luminescence in BaBr2 shifts significantly to longer wavelengths upon increasing the doping level from 0.1% to 1%. In Ce-activated BaCl2 only a slight shift can be observed. BaI2 does not show any Ce3+-related...journal article 2007