Thermoelectric properties of hot-pressed Zn4Sb3−xTex |
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| Authors: | Wei Li Limei Zhou Yali Li Jun Jiang Gaojie Xu |
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| Affiliation: | aNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;bInstitute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China |
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| Abstract: | A series of samples have been fabricated through vacuum melting method followed by hot-pressing for Zn4Sb3−xTex (x = 0.02–0.08), XRD patterns indicated that all the samples were single-phased β-Zn4Sb3. Electrical conductivity and Seebeck coefficient were evaluated in the temperature range of 300–700 K, showing p-type conduction. The thermoelectric figure of merit (ZT) was increased with the increase of Te content. ZT values of 0.8 and 1.0 were obtained at 673 K for Zn4.08Sb3 and Zn4Sb2.92Te0.08, respectively. |
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| Keywords: | β -Zn4Sb3 Thermoelectric properties Hot-pressing method |
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