Microhardness and optical property of chalcogenide glasses and glass-ceramics of the Sn-Sb-Se ternary system

Xue, Xuning; Chen, Feifei<sup>*</sup>; Lin, Changgui; Lin, Ruiqiang; Zhang, Xiaoyu; Dai, Shixun; Zhang, Xianghua; Ji, Wei

doi:10.1111/jace.15980

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Microhardness and optical property of chalcogenide glasses and glass-ceramics of the Sn-Sb-Se ternary system

作者：Xue, Xuning; Chen, Feifei^*; Lin, Changgui; Lin, Ruiqiang; Zhang, Xiaoyu; Dai, Shixun; Zhang, Xianghua; Ji, Wei

来源：Journal of the American Ceramic Society, 2019, 102(4): 2066-2074.

DOI：10.1111/jace.15980

摘要

The microhardness of chalcogenide glasses (ChGs) of the Sn-Sb-Se (SSS) ternary system was investigated, and the correlation of microhardness with the mean coordination number of the SSS ChGs was determined. To prepare infrared-transparent SSS glass-ceramics (GCs), two SSS ChGs (A, Sn6.23Sb14.11Se79.66; B, Sn9.8Sb17.22Se72.98; by molar composition) were selected and thermally treated at 433 and 448 K, respectively. The improved microhardness (with values that increased by 11.5% and 7.3% for SSS ChG A and B, respectively) of the resulting SSS GCs is attributed to the formation of Sb2Se3 nanocrystals.