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cond-mat.supr-con2003
Improved Irreversibility Behaviour and Critical Current Density in MgB2-Diamond Nanocomposites
Y. Zhao, X. F. Rui, C. H. Cheng +5
MgB2-diamond nanocomposite superconductors have been synthesized by addition of nano-diamond powder. Microstructural analysis shows that the nanocomposite superconductor consists o…
cond-mat.supr-con2003
Doping Effect of Nano-Diamond on Superconductivity and Flux Pinning in MgB2
C. H. Cheng, H. Zhang, Y. Zhao +6
Doping effect of diamond nanoparticles on the superconducting properties of MgB2 bulk material has been studied. It is found that the superconducting transition temperature Tc of M…
cond-mat.supr-con2003
Enhancement of Jc by doping silver in grain boundaries of YBa2Cu3Oy polycrystals with solid-state diffusion method
C. H. Cheng, Y. Zhao
Grain boundaries (GBs) of YBa2Cu3Oy (YBCO) are preferentially doped with Ag by the solid-state diffusion method. The distribution of Ag is highly localized in the GB. As a result o…