Abstract
Recently, novel halide-single-crystal scintillators for environmental gamma-ray spectrometers have been investigated in order to achieve the high light outputs and good energy resolutions. Halide-single-crystal materials generally have small band-gap energy than oxide scintillators have, and halide materials are expexted to have high light output and good energy resolution [1]. However, most of halide-single-crystal materials have hygroscopic nature, and some conventional halide scintillators such as Ce-doped LaBr3, have intrinsic background, which is not suitable for gamma-ray spectroscopy under low dose rate.
© 2016 Japan Society of Applied Physics, Optical Society of America
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