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In this study, a series of Ga-As-S glasses tailored by adding Ga as the host for Er3+ ions were prepared and characterized. The effects of the introduction of Ga on the structure change and the Er3+ middle infrared emission intensity have been studied by Raman scattering, X-ray diffraction and fluorescence spectra. The results show the incorporating of Ga into the As2S3 glass induced the dissociation...
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