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  1. No Access

    Article

    Investigation of Sr, Mg codoped Na0.5Bi0.5TiO3 oxide ion conductor prepared by spark plasma sintering

    The spark plasma sintering and conventional sintering methods were used to prepare the Sr/Mg–codoped Na0.5Bi0.48Sr0.02Ti0.96Mg0.04O2.95 (NBT-SM) compounds. By the AC impedance spectrum test, the grain and total c...

    W. G. Wang, M. Y. Li, X. Y. Li, G. L. Hao in Ionics (2019)

  2. No Access

    Article

    Improvement of Surface Morphology and Critical Current Density of YDy 0 . 2 Ba2Cu 3 . 3 O7−δ Thick Films by Inserted RE2O3 Thin Films

    Various artificial multilayers consisting of YDy0.2 Ba2Cu3O7−ε /RE2O3/YDy0.2Ba2Cu3O7−ε films (RE = Y, Gd, Eu, etc.) about 1 μm in a sandwich-type structure are fab...

    Q. Fang, M. Y. Li, M. J. Sun, X. F. Hu… in Journal of Superconductivity and Novel Mag… (2017)

  3. No Access

    Article

    Phase and Texture Evolution of Ag/Ni Composite-Sheathed Bi-2223 Tapes with Different Thickness

    The influence of green tape thickness on the Bi-2223 phase formation and texture evolution in Ag/Ni composite-sheathed tapes fabricated by the “powder-in-tube” technique has been studied. Microstructural obser...

    X. P. Chen, X. W. Yu, M. Y. Li, H. B. Sun… in Journal of Superconductivity and Novel Mag… (2013)

  4. No Access

    Article

    Preparation and characterization of multiferroic CoFe2O4/Bi0.97Ce0.03FeO3 coaxial nanotubes

    Multiferroic CoFe2O4 (CFO)/Bi0.97Ce0.03FeO3 (BCFO) coaxial nanotubes were prepared by a sol-gel template method. Transmission electron microscopy revealed that the coaxial nanotubes featured with inner CFO and ou...

    X. L. Liu, M. Y. Li, J. Wang, Z. Q. Hu, Y. D. Zhu, X. Z. Zhao in Applied Physics A (2012)

  5. No Access

    Article

    Fabrication and Properties of Ag–Ni Bimetallic Sheathed (Bi,Pb)-2223 Tapes

    10-meter-long Ag–Ni bimetallic sheathed (Bi,Pb)-2223 tapes with outer nickel sheath and inner silver sheath have been successfully fabricated by the “Powder in tube” technique. Microstructure and phase evoluti...

    X. P. Chen, X. W. Yu, M. Liu, M. Y. Li… in Journal of Superconductivity and Novel Mag… (2012)

  6. No Access

    Article

    Matrix effect of bombardment-induced Gibbsian segregation on Cu depletion at a Cu x Ni100−x subsurface

    A dynamic Monte-Carlo program, including an improved BIGS (Bombardment-Induced Gibbsian Segregation) model was employed to study the matrix effect of BIGS and its influence on Cu depletion at the subsurface un...

    L. -P. Zheng, R. -S. Li, X. -Q. **a, M. -Q. Li, M. -Y. Li in Applied Physics A (1995)