Abstract
Glass composed of (Ga2S3)0.60(La2S3)0.35(Er2S3)0.05 and (Ga2S3)0.60(La2S3)0.27(Er2S3)0.13 is synthesized. It is found that glass composed of (Ga2S3)0.60(La2S3)0.35(Er2S3)0.05 softens during its thermal decomposition of in air at 855 K. In the range 945–1210 K, an exothermic effect is observed. The nature of the thermal curves indicates the stage mechanism of glass decomposition. IT is revealed that the absorption bands of glass typical for Me–S bonds are more intense and partially shifted toward the high-frequency spectrum than those for the initial crystalline components, which is apparently related to the increase in the covalence of the Ga–S and Ln–S bonds.
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Abdullaeva, A.S., Bakhtiyarly, I.B. & Kurbanova, R.D. Physical and Chemical Properties of Glass Composed of (Ga2S3)0.60(La2S3)0.35(Er2S3)0.05 and (Ga2S3)0.60(La2S3)0.27(Er2S3)0.13 . Glass Phys Chem 46, 298–304 (2020). https://doi.org/10.1134/S1087659620040021
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DOI: https://doi.org/10.1134/S1087659620040021