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Journal of Inorganic Materials, Volume. 38, Issue 5, 577(2023)

Heavy-Fermion YbAl3 Materials: One-step Synthesis and Enhanced Thermoelectric Performance

Danqi HE1... Mingxu WEI2, Ruizhi LIU2, Zhixin TANG2, Pengcheng ZHAI1 and Wenyu ZHAO3,* |Show fewer author(s)
Author Affiliations
  • 11. Hubei Key Laboratory of Theory and Application of Advanced Materials Mechanics, Wuhan University of Technology, Wuhan 430070, China
  • 22. International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 33. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
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    XRD patterns of SPS1, SPS2 and MQA-SPS samples
    1. XRD patterns of SPS1, SPS2 and MQA-SPS samples

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    Microstructures of SPS1, SPS2 and MQA-SPS samples(a-c) FESEM images of (a) MQA-SPS, (b) SPS1, and (c) SPS2; (d) Enlarged FESEM image of the rectangular region in (c)
    2. Microstructures of SPS1, SPS2 and MQA-SPS samples(a-c) FESEM images of (a) MQA-SPS, (b) SPS1, and (c) SPS2; (d) Enlarged FESEM image of the rectangular region in (c)

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    Multi-scale microstructures in SPS1(a) HRTEM image of YbAl3 nanocrystals with 5-20 nm in diameter; (b) HRTEM image of nanoscale strip-like noncrystal in YbAl3 crystals; (c, d) HRTEM images of high-density distortions in YbAl3 crystals with insets showing IFFT images of the marked regions
    3. Multi-scale microstructures in SPS1(a) HRTEM image of YbAl3 nanocrystals with 5-20 nm in diameter; (b) HRTEM image of nanoscale strip-like noncrystal in YbAl3 crystals; (c, d) HRTEM images of high-density distortions in YbAl3 crystals with insets showing IFFT images of the marked regions

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    Temperature dependence of (a) electrical conductivity and (b) Seebeck coefficient for SPS1, SPS2 and MQA-SPS with inset showing the temperature dependence of power factor
    4. Temperature dependence of (a) electrical conductivity and (b) Seebeck coefficient for SPS1, SPS2 and MQA-SPS with inset showing the temperature dependence of power factor

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    Temperature dependences of (a) thermal conductivity, (b) carrier thermal conductivity, (c) lattice thermal conductivity, and (d) ZT values for the samples for SPS1, SPS2 and MQA-SPS
    5. Temperature dependences of (a) thermal conductivity, (b) carrier thermal conductivity, (c) lattice thermal conductivity, and (d) ZT values for the samples for SPS1, SPS2 and MQA-SPS

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    Danqi HE, Mingxu WEI, Ruizhi LIU, Zhixin TANG, Pengcheng ZHAI, Wenyu ZHAO. Heavy-Fermion YbAl3 Materials: One-step Synthesis and Enhanced Thermoelectric Performance [J]. Journal of Inorganic Materials, 2023, 38(5): 577

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    Paper Information

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    Received: Jun. 5, 2022

    Accepted: --

    Published Online: Oct. 17, 2023

    The Author Email: ZHAO Wenyu (wyzhao@whut.edu.cn)

    DOI:10.15541/jim20220318

    Topics

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