Journal of Inorganic Materials ›› 2023, Vol. 38 ›› Issue (5): 577-582.DOI: 10.15541/jim20220318
• RESEARCH LETTER • Previous Articles Next Articles
HE Danqi1(), WEI Mingxu2, LIU Ruizhi2, TANG Zhixin2, ZHAI Pengcheng1, ZHAO Wenyu3()
Received:
2022-06-05
Revised:
2022-06-27
Published:
2022-07-08
Online:
2022-07-08
Contact:
ZHAO Wenyu, professor. E-mail: wyzhao@whut.edu.cnAbout author:
HE Danqi (1990-), lecturer. E-mail: hedanqi@whut.edu.cn
Supported by:
CLC Number:
HE Danqi, WEI Mingxu, LIU Ruizhi, TANG Zhixin, ZHAI Pengcheng, ZHAO Wenyu. Heavy-Fermion YbAl3 Materials: One-step Synthesis and Enhanced Thermoelectric Performance[J]. Journal of Inorganic Materials, 2023, 38(5): 577-582.
Fig. 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)
Fig. 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
Fig. 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
Fig. 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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