Abstract

The results of study on luminescence and recombination processes in the large LiB 3O 5 single crystals are reported. It was shown that the luminescence at 295 nm is excited by photons with energy exceeding the band gap energy, by an electron beam, and also in recombination processes. Four peaks of thermoluminescence at 130, 180, 240 and 330 K are revealed, their parameters are fixed, and the origin of the trapping and recombination centers are determined. The most acceptable models of recombination processes and the origin of the LiB 3O 5 luminescence are discussed.

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