Xiao YANG, Xianli SU, Yonggao YAN, Xinfeng TANG. Structures and Thermoelectric Properties of (GeTe)nBi2Te3 [J]. Journal of Inorganic Materials, 2021, 36(1): 75
- Journal of Inorganic Materials
- Vol. 36, Issue 1, 75 (2021)
1. Powder XRD patterns of (GeTe)n Bi2Te3(n =10~14) compounds
2. (a, e) Back-scattering electron (BSE) images and (b, f)Ge, (c, g)Te and (d, h) Bi elemental distributions of the polished surfaces for (GeTe)n Bi2Te3 samples ((a-d) n =10, (e-h) n =14)
3. Temperature dependence of (a) electrical conductivity, (b) Seebeck coefficient, (c) Pisarenko plots, (d) room temperature carrier mobility as a function of the carrier concentration for (GeTe)n Bi2Te3
4. Temperature dependence of the power factor for (GeTe)n Bi2Te3 compounds with inset showing the corresponding relationship between carrier concentration and power factor at 723 K
5. Temperature dependence of (a) total thermal conductivity κ , (b) lattice thermal conductivity κ L and (c) figure of merit ZT for (GeTe)n Bi2Te3
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