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Impact of tellurium on glass transition and crystallization in the Ge-Se-Te-Bi system
Yin, Haiwei; Li, Lei; Liu, Yinyao; Hu, Lili; Zeng, Huidan; Chen, Guorong; grchen@ecust.edu.cn
2017
Source PublicationCeram. Int.
Volume43Issue:4Pages:3556
AbstractSamples with compositions of Ge(20)Se(67-x)Te(x)Bin (x=0, 5, 10, 15 and 20 mol%) were prepared and characterized by XRD, Raman spectroscopy and DSC. XRD patterns and Raman spectra present consistent evidences of glass transition and crystallization in association with the variation of the structure network due to the substitution of Te for Se. Precipitation of thermoelectric (TE) crystals experiences an evolution from Bi2Se2Te (BST) to Bi2SeTe2 (BTS) phases with the increasing Te content. Based on DSC data performed at five heating rates, crystallization kinetics is analyzed by using Kissinger's relation, Ozawa model and Augis-Bennett approximation. Different methods show the identical evaluations of characteristic activation energies (E-c), while additional parameters of frequency factor (K-0) and Avrami exponent (n) are available with AB method. In particular, calculated E-c and K-o demonstrate that with the substitution of Se by Te the crystallization process of the target TE BST crystal phase is much enhanced while that of the undesired GeSe2 phase is slightly hindered.
SubtypeArticle
Department单元
DOI10.1016/j.ceramint.2016.11.167
Funding OrganizationShanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082]
Indexed BySCI
Funding OrganizationShanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082] ; Shanghai Leading Academic Discipline Project [B502]; Shanghai Key Laboratory Project [08DZ2230500]; National Natural Science Foundation of China [NSFC 51572081, 51572082]
WOS IDWOS:000393937900012
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28290
Collection高功率激光单元技术研发中心
Corresponding Authorgrchen@ecust.edu.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Yin, Haiwei,Li, Lei,Liu, Yinyao,et al. Impact of tellurium on glass transition and crystallization in the Ge-Se-Te-Bi system[J]. Ceram. Int.,2017,43(4):3556.
APA Yin, Haiwei.,Li, Lei.,Liu, Yinyao.,Hu, Lili.,Zeng, Huidan.,...&grchen@ecust.edu.cn.(2017).Impact of tellurium on glass transition and crystallization in the Ge-Se-Te-Bi system.Ceram. Int.,43(4),3556.
MLA Yin, Haiwei,et al."Impact of tellurium on glass transition and crystallization in the Ge-Se-Te-Bi system".Ceram. Int. 43.4(2017):3556.
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