Journal of Inorganic Materials, Volume. 34, Issue 3, 294(2019)

Optimizing Electrical and Thermal Transport Property in BiCuSeO Superlattice via Heterolayer-isovalent Dual-doping Approach

Zhou LI1, Chong XIAO2, [in Chinese]1, and [in Chinese]2
Author Affiliations
  • 11. School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
  • 22. Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
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    Figures & Tables(6)
    Crystal structure of BiCuSeO with ZrSiCuAs-type tetragonal structure[16]
    XRD patterns for Bi1-xLaxCu1-yAgySeO samples(a); SEM image (b), [010] HRTEM image (c) and SAED pattern (d) of pristine BiCuSeO
    Element mapping of La-Ag dual-doping sample
    Temperature-dependent electrical conductivity (a), Seebeck coefficient (b) and power factor of Bi1-xLaxCu1-yAgySeO samples; (d) Carrier concentration and mobility at 300K
    Temperature-dependent total thermal conductivity (a), electrical and lattice thermal conductivities (b), percentage of electrical thermal conductivity (c) and dimensionless thermoelectric figure of merit (d) for Bi1-xLaxCu1-yAgySeO samples
    Electrical band structure (a) and UV-Vis absorption spectra(b) of Bi1-xLaxCu1-yAgySeO samples, (c) Schematic representation of the convergence of heavy-light bands
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    Zhou LI, Chong XIAO, [in Chinese], [in Chinese]. Optimizing Electrical and Thermal Transport Property in BiCuSeO Superlattice via Heterolayer-isovalent Dual-doping Approach[J]. Journal of Inorganic Materials, 2019, 34(3): 294

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    Paper Information

    Category: Research Articles

    Received: Jul. 4, 2018

    Accepted: --

    Published Online: Sep. 26, 2021

    The Author Email:

    DOI:10.15541/jim20180303

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