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Half-Heusler-like compounds with wide continuous compositions and tunable p- to n-type semiconducting thermoelectrics

Author

Listed:
  • Zirui Dong

    (Shanghai University)

  • Jun Luo

    (Shanghai University
    Materials Genome Institute, Shanghai University)

  • Chenyang Wang

    (Shanghai University)

  • Ying Jiang

    (Materials Genome Institute, Shanghai University)

  • Shihua Tan

    (Southern University of Science and Technology)

  • Yubo Zhang

    (Southern University of Science and Technology
    Southern University of Science and Technology)

  • Yuri Grin

    (Max-Planck-Institut für Chemische Physik fester Stoffe)

  • Zhiyang Yu

    (Fuzhou University)

  • Kai Guo

    (Shanghai University)

  • Jiye Zhang

    (Shanghai University)

  • Wenqing Zhang

    (Southern University of Science and Technology
    Southern University of Science and Technology)

Abstract

Half-Heusler and full-Heusler compounds were considered as independent phases with a natural composition gap. Here we report the discovery of TiRu1+xSb (x = 0.15 ~ 1.0) solid solution with wide homogeneity range and tunable p- to n-type semiconducting thermoelectrics, which bridges the composition gap between half- and full-Heusler phases. At the high-Ru end, strange glass-like thermal transport behavior with unusually low lattice thermal conductivity (~1.65 Wm−1K−1 at 340 K) is observed for TiRu1.8Sb, being the lowest among reported half-Heusler phases. In the composition range of 0.15

Suggested Citation

  • Zirui Dong & Jun Luo & Chenyang Wang & Ying Jiang & Shihua Tan & Yubo Zhang & Yuri Grin & Zhiyang Yu & Kai Guo & Jiye Zhang & Wenqing Zhang, 2022. "Half-Heusler-like compounds with wide continuous compositions and tunable p- to n-type semiconducting thermoelectrics," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-021-27795-3
    DOI: 10.1038/s41467-021-27795-3
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