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cond-mat.supr-con2006★ 87 cited
Strong Pinning Enhancement in MgB2 Using Very Small Dy2O3 Additions
S. K. Chen, M. Wei, J. L. MacManus-Driscoll
0.5 to 5.0 wt.% Dy2O3 was in-situ reacted with Mg + B to form pinned MgB2. While Tc remained largely unchanged, Jc was strongly enhanced. The best sample (only 0.5 wt.% Dy2O3) had…
cond-mat.supr-con2005
Improved Current Densities in MgB2 By Liquid-Assisted Sintering
S. K. Chen, Z. Lockman, M. Wei +2
Polycrystalline MgB2 samples with GaN additions were prepared by reaction of Mg, B, and GaN powders. The presence of Ga leads to a low melting eutectic phase which allowed liquid p…