高Ge含量Ge-As-Se三元硫系玻璃制备及其性能研究
PDF下载 (121)谢双权,陈益敏,沈 祥,徐铁峰.高Ge含量Ge-As-Se三元硫系玻璃制备及其性能研究[J].宁波大学学报(理工版),2024,37(6):108-112.DOI:10.20098/j.cnki.1001-5132.2024.0420
XIE Shuangquan,CHEN Yimin,SHEN Xiang,XU Tiefeng.Study on high germanium content Ge-As-Se ternary chalcogenide glasses[J].Journal of Ningbo University(Natural Science & Engineering Edition),2024,37(6):108-112.DOI:10.20098/j.cnki.1001-5132.2024.0420
| Title: | Study on high germanium content Ge-As-Se ternary chalcogenide glasses |
| 作者: | 谢双权, 陈益敏, 沈 祥, 徐铁峰 |
| Author(s): | XIE Shuangquan, CHEN Yimin, SHEN Xiang, XU Tiefeng |
| 关键词: | 硫系玻璃; 高锗含量; 维氏硬度 |
| Keywords: | Ge-As-Se; chalcogenide glass; high germanium content; Vickers hardness |
| 分类号: | TN213 |
| DOI: | 10.20098/j.cnki.1001-5132.2024.0420 |
| 文献标识码: | A |
| 摘要: | 采用熔融-淬冷技术制备了4种位于传统成玻区域边缘的高Ge含量Ge-As-Se硫系玻璃, 研究了极高Ge含量对其成玻能力及机械、热学、光学性能的影响. 研究发现, 在As含量不变的情况下, 随着Ge含量增加, Ge-As-Se体系成玻能力逐渐减弱, 其中Ge39As16Se45和Ge42As16Se42样品呈现出完全的非晶态结构, 并展现出较高的光学透过率和维氏硬度. 然而, 当Ge含量进一步增加时, 如位于成玻区外的样品Ge48As16Se36和Ge51As16Se33, 虽然维氏硬度能继续增加, 但内部结构出现不同程度的结晶, 导致其不再具备良好的光学透过性. 结果表明, 适当提高Ge含量可在保持良好红外光透性的同时显著提高机械性能, 如Ge42As16Se42样品具备45%的红外透过率和239.7kg•mm−2的维氏硬度, 这为获得更高机械强度的硫系玻璃用于红外镜头制备提供了可能. |
| Abstract: | In this study, four high Ge content Ge-As-Se chalcogenide glasses, located at the edge of the traditional glass-forming region, were fabricated and used to investigate the influences of extremely high Ge content on their glass-forming ability and mechanical, thermal, and optical properties. It was found that, with the As content being kept constant, the glass-forming ability of the Ge-As-Se system gradually decreases as the Ge content increases. The Ge39As16Se45 and Ge42As16Se42 samples exhibit a fully amorphous structure and show a good optical transmittance with high Vickers hardness. However, as the Ge content further increases in the sample, such as Ge48As16Se36 and Ge51As16Se33, the Vickers hardness continues to rise, their glass networks are broken due to the internal crystallization behavior, which results in significant loss of optical transmittance. These findings suggest that, an appropriate addition of Ge content can enhance the mechanical properties significantly while maintaining good infrared light transmittance, exemplified by the Ge42As16Se42 glass sample with 45% infrared transmittance and a Vickers hardness of 239.7kg·mm−2. It provides a potential way to obtain chalcogenide glasses with higher mechanical strength for the preparation of infrared lenses. |
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| 备注/Memo: | 收稿日期: 2024−04−15. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 国家自然科学基金（U21A2056, 62374096, 62075110）; 浙江省重点研发计划（2021C01025）; 浙江省自然科学基金（LDT23F05012F0505）. 第一作者: 谢双权, 硕士研究生, 主要研究方向: 硫系玻璃制备及其机械性能. E-mail: xie_sq99@163.com *通信作者: 陈益敏, 讲师, 主要研究方向: 硫系材料及其光电器件. E-mail: chenyimin@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
