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    Journals >Journal of Inorganic Materials >Volume 35 >Issue 9 >Page 1041 > Article
    • Journal of Inorganic Materials
    • Vol. 35, Issue 9, 1041 (2020)
    Effect of Rare-earth Variable-valence Element Eu doping on Thermoelectric Property of BiCuSeO
    Huijun KANG1, Xiaoying ZHANG1, Yanxia WANG2, Jianbo LI1, Xiong YANG1, Daquan LIU1, Zerong YANG1, and Tongmin WANG1、*
    Author Affiliations
  • 1Key Laboratory of Solidification Control and Digital Preparation Technology (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
  • 2Key Laboratory of Material Modification by Laser, Ion and Electron Beams, Ministry of Education, Dalian University of Technology, Dalian 116024, China
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    DOI: 10.15541/jim20190570 Cite this Article
    Huijun KANG, Xiaoying ZHANG, Yanxia WANG, Jianbo LI, Xiong YANG, Daquan LIU, Zerong YANG, Tongmin WANG. Effect of Rare-earth Variable-valence Element Eu doping on Thermoelectric Property of BiCuSeO[J]. Journal of Inorganic Materials, 2020, 35(9): 1041 Copy Citation Text show less
    XRD patterns for Bi1-xEuxCuSeO samples
    1. XRD patterns for Bi1-xEuxCuSeO samples
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    SEM images of the fracture surface of Bi1-xEuxCuSeO
    2. SEM images of the fracture surface of Bi1-xEuxCuSeO
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    XPS (a) total survey and (b) spectra of valence state of Eu2+/Eu3+ for Bi0.975Eu0.025CuSeO sample
    3. XPS (a) total survey and (b) spectra of valence state of Eu2+/Eu3+ for Bi0.975Eu0.025CuSeO sample
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    Electronic bands and band gaps of Bi1-xEuxCuSeO
    4. Electronic bands and band gaps of Bi1-xEuxCuSeO
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    Carrier concentrations and mobilities of Bi1-xEuxCuSeO samples varied with x at room temperature
    5. Carrier concentrations and mobilities of Bi1-xEuxCuSeO samples varied with x at room temperature
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    Temperature dependence of electrical transport properties of Bi1-xEuxCuSeO samples
    6. Temperature dependence of electrical transport properties of Bi1-xEuxCuSeO samples
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    Temperature dependence of thermal transport properties of Bi1-xEu1-xCuSeO samples
    7. Temperature dependence of thermal transport properties of Bi1-xEu1-xCuSeO samples
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    Temperature dependences for ZT of Bi1-xEuxCuSeO samples
    8. Temperature dependences for ZT of Bi1-xEuxCuSeO samples
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    Bi1-xEuxCuSeOx=0x=0.025x=0.075x=0.15
    Density/(g·cm-3)6.8888.4218.438.257
    Relative density77.3%94.5%94.6%92.6%
    Table 1. Densities of Bi1-xEuxCuSeO bulk samples
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    a/nmc/nm
    BiCuSeO0.393540.89413
    Bi0.975Eu0.025CuSeO0.393580.89423
    Bi0.925Eu0.075CuSeO0.393550.89436
    Bi0.85Eu0.15CuSeO0.393540.89442
    Table 1. Lattice parameters of Bi1-xEuxCuSeO samples
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    Abstract
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    References (24)
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    Huijun KANG, Xiaoying ZHANG, Yanxia WANG, Jianbo LI, Xiong YANG, Daquan LIU, Zerong YANG, Tongmin WANG. Effect of Rare-earth Variable-valence Element Eu doping on Thermoelectric Property of BiCuSeO[J]. Journal of Inorganic Materials, 2020, 35(9): 1041
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