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Temperature dependent thermal conductivity and transition mechanism in amorphous and crystalline Sb2Te3 thin films
Li, Qisong; Wei, Jingsong; Sun, Hao; Zhang, Kui; Huang, Zhengxing; Zhang, Long; weijingsong@siom.ac.cn; huangzx@dlut.edu.cn; lzhang@siom.ac.cn
2017
发表期刊Sci Rep
卷号7
摘要Sb2Te3 thin films are widely used in high density optical and electronic storage, high-resolution greyscale image recording, and laser thermal lithography. Thermal conductivity and its temperature dependence are critical factors that affect the application performance of thin films. This work aims to evaluate the temperature dependence of thermal conductivity of crystalline and amorphous Sb2Te3 thin films experimentally and theoretically, and explores into the corresponding mechanism of heat transport. For crystalline Sb2Te3 thin films, the thermal conductivity was found to be 0.35 +/- 0.035 W m(-1) K-1 and showed weak temperature dependence. The thermal conductivity of amorphous Sb2Te3 thin films at temperatures below similar to 450 K is about 0.23 +/- 0.023 W m(-1)K(-1), mainly arising from the lattice as the electronic contribution is negligible; at temperatures above 450 K, the thermal conductivity experiences an abrupt increase owing to the structural change from amorphous to crystalline state. The work can provide an important guide and reference to the real applications of Sb2Te3 thin films.
文章类型Article
部门归属存储
DOI10.1038/s41598-017-14068-7
资助者National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826]
收录类别SCI
资助者National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826] ; National Natural Science Foundation of China [51672292, 61627826]
WOS记录号WOS:000413400500022
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28259
专题高密度光存储技术实验室
通讯作者weijingsong@siom.ac.cn; huangzx@dlut.edu.cn; lzhang@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Li, Qisong,Wei, Jingsong,Sun, Hao,et al. Temperature dependent thermal conductivity and transition mechanism in amorphous and crystalline Sb2Te3 thin films[J]. Sci Rep,2017,7.
APA Li, Qisong.,Wei, Jingsong.,Sun, Hao.,Zhang, Kui.,Huang, Zhengxing.,...&lzhang@siom.ac.cn.(2017).Temperature dependent thermal conductivity and transition mechanism in amorphous and crystalline Sb2Te3 thin films.Sci Rep,7.
MLA Li, Qisong,et al."Temperature dependent thermal conductivity and transition mechanism in amorphous and crystalline Sb2Te3 thin films".Sci Rep 7(2017).
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