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Journal of Inorganic Materials, Volume. 36, Issue 1, 75(2021)

Structures and Thermoelectric Properties of (GeTe)nBi2Te3

Xiao YANG... Xianli SU, Yonggao YAN and Xinfeng TANG* |Show fewer author(s)
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Powder XRD patterns of (GeTe)nBi2Te3(n=10~14) compounds
1. Powder XRD patterns of (GeTe)nBi2Te3(n=10~14) compounds

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(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)nBi2Te3 samples ((a-d) n=10, (e-h) n=14)
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)nBi2Te3 samples ((a-d) n=10, (e-h) n=14)

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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)nBi2Te3
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)nBi2Te3

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Temperature dependence of the power factor for (GeTe)nBi2Te3 compounds with inset showing the corresponding relationship between carrier concentration and power factor at 723 K
4. Temperature dependence of the power factor for (GeTe)nBi2Te3 compounds with inset showing the corresponding relationship between carrier concentration and power factor at 723 K

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Temperature dependence of (a) total thermal conductivity κ, (b) lattice thermal conductivity κL and (c) figure of merit ZT for (GeTe)nBi2Te3
5. Temperature dependence of (a) total thermal conductivity κ, (b) lattice thermal conductivity κL and (c) figure of merit ZT for (GeTe)nBi2Te3

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Xiao YANG, Xianli SU, Yonggao YAN, Xinfeng TANG. Structures and Thermoelectric Properties of (GeTe)nBi2Te3[J]. Journal of Inorganic Materials, 2021, 36(1): 75

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Paper Information

Category: RESEARCH PAPER

Received: May. 12, 2020

Accepted: --

Published Online: Jan. 21, 2021

The Author Email: TANG Xinfeng (tangxf@whut.edu.cn)

DOI:10.15541/jim20200252

Topics

laser devices and laser physics
Lasers and Laser Optics
Laser physics
laser manufacturing
Instrumentation, Measurement and Metrology