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6 Result(s)

within Z-Q Chen Remove this filter Crystallography and Scattering Methods Remove this filter

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  1. No Access

    Article

    Enhanced thermoelectric performance of tin oxide through antimony do** and introducing pore structures

    Antimony-doped tin oxide nanopowders were synthesized by the hydrothermal method. Porous antimony-doped tin oxide ceramics with variant porosity were obtained by controlling the spark plasma sintering temperat...

    X. D. Zhao, S. P. Deng, W. F. Pan, N. Qi, Z. Q. Chen… in Journal of Materials Science (2021)

  2. No Access

    Article

    Role of vacancy defects on the lattice thermal conductivity in In2O3 thermoelectric nanocrystals: a positron annihilation study

    High purity \(\hbox {In}_2\hbox {O}_3\) ...

    H. F. He, B. Zhao, N. Qi, B. Wang, Z. Q. Chen, X. L. Su… in Journal of Materials Science (2018)

  3. No Access

    Article

    Vacancy-mediated ferromagnetism in Co-implanted ZnO studied using a slow positron beam

    Co \(^+\) + ...

    D. D. Wang, B. Zhao, N. Qi, Z. Q. Chen, A. Kawasuso in Journal of Materials Science (2017)

  4. No Access

    Article

    Reversible structural transition in spark plasma-sintered thermoelectric Zn4Sb3

    Thermoelectric Zn4Sb3 prepared by spark plasma sintering (SPS) method has been studied by X-ray diffraction (XRD) and positron annihilation spectroscopy. A reversible structural transformation between β-Zn4Sb3 an...

    T. Zhang, K. Zhou, X. F. Li, Z. Q. Chen, X. L. Su… in Journal of Materials Science (2016)

  5. No Access

    Article

    Defects and acceptor centers in ZnO introduced by C+-implantation

    ZnO single crystals were implanted with 280 keV C+ to a dose of 6 × 1016 cm−2. Positron annihilation measurements reveal a large number of vacancy clusters in the implanted sample. They further agglomerate into l...

    M. Jiang, X. D. Xue, Z. Q. Chen, Y. D. Liu, H. W. Liang… in Journal of Materials Science (2014)

  6. No Access

    Article

    X-ray diffraction study of arsenopyrite at high pressure

    The high-pressure X-ray diffraction study of a natural arsenopyrite was investigated up to 28.2 GPa using in situ angle-dispersive X-ray diffraction and a diamond anvil cell at National Synchrotron Light Sourc...

    D. W. Fan, M. N. Ma, W. G. Zhou, S. Y. Wei, Z. Q. Chen… in Physics and Chemistry of Minerals (2011)