Effects of chemical composition and mean coordination number on glass transitions in Ge-Sb-Se glasses
文献类型：期刊论文
| 作者 | Wei, Wen-Hou
|
| 刊名 | MODERN PHYSICS LETTERS B
 |
| 出版日期 | 2017-12-30 |
| 卷号 | 31期号:36页码:10 |
| ISSN号 | 0217-9849 |
| 关键词 | Chalcogenide glass Ge-Sb-Se MCN glass transition glass stability |
| DOI | 10.1142/S0217984917503420 |
| 英文摘要 | Glass transitions in the Ge-Sb-Se glasses were investigated by means of differential scanning calorimetry (DSC) under non-isothermal conditions. The glass transition temperature (T-g), activation energy of glass transition (E-t), and fragility index as functions of the mean coordination number (MCN) and atomic percent of Ge were examined. The maximum value of T-g in each group of the glasses occurred at the chemically stoichiometric composition, suggesting a glass transition threshold. The E-t and fragility index were calculated from the heating rate dependence of T-g. Both E-t and fragility index show the minima at MCN = 2.4 which can be attributed to the structural phase transition of a covalently glassy network at MCN = 2.4. The analysis of the experimental results suggests that both the chemical composition and MCN have significant effects on the glass transitions in Ge-Sb-Se glasses. |
| 语种 | 英语 |
| 出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
| WOS记录号 | WOS:000418036800003 |
| 源URL | [http://172.16.51.4:88/handle/2HOD01W0/98]  |
| 专题 | 机器人与3D打印技术创新中心 |
| 通讯作者 | Wei, Wen-Hou |
| 作者单位 | Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing Key Lab Addit Mfg Technol & Syst, Chongqing 400714, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wei, Wen-Hou. Effects of chemical composition and mean coordination number on glass transitions in Ge-Sb-Se glasses[J]. MODERN PHYSICS LETTERS B,2017,31(36):10. |
| APA | Wei, Wen-Hou.(2017).Effects of chemical composition and mean coordination number on glass transitions in Ge-Sb-Se glasses.MODERN PHYSICS LETTERS B,31(36),10. |
| MLA | Wei, Wen-Hou."Effects of chemical composition and mean coordination number on glass transitions in Ge-Sb-Se glasses".MODERN PHYSICS LETTERS B 31.36(2017):10. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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