activity
20052025
most citedDirect observation of nanometer-scale amorphous layers and oxide crystallites at grain boundaries in polycrystalline Sr1-xKxFe2As2 superconductors

272 citations · 2.2k across the 58 of their papers we have counts for

collaborators
Showing 2006Show all

5 papers · 1 filter

cond-mat.supr-con2006★ 18 cited

Improved critical current densities in MgB2 tapes with ZrB2 doping

Xianping Zhang, Zhaoshun Gao, Dongliang Wang +4

MgB2/Fe tapes with 2.5-15 at.% ZrB2 additions were prepared through the in situ powder-in-tube method. Compared to the pure tape, a significant improvement in the in-field critical…

cond-mat.supr-con2006★ 25 cited

Large irreversibility field in nanoscale C-doped MgB2/Fe tape conductors

Yanwei Ma, Xianping Zhang, S. Awaji +5

We investigated the effect of nanoscale-C doping on the critical current density Jc and irreversibility field Birr of Fe-sheathed MgB2 tapes prepared by the in-situ powder-in-tube…

cond-mat.supr-con2006★ 8 cited

Enhancement of JC-B Properties in MoSi2 doped MgB2 tapes

Xianping Zhang, Yanwei Ma, Zhaoshun Gao +3

MoSi2 doped MgB2 tapes with different doping levels were prepared through the in-situ powder-in-tube method using Fe as the sheath material. Effect of MoSi2 doping on the MgB2/Fe t…

cond-mat.supr-con2006★ 192 cited

Significantly enhanced critical current densities in MgB2 tapes made by a scaleable, nano-carbon addition route

Yanwei Ma, Xianping Zhang, G. Nishijima +2

Nanocarbon-doped Fe-sheathed MgB2 tapes with different doping levels were prepared by the in situ powder-in-tube method. Compared to the undoped tapes, Jc for all the C-doped sampl…

cond-mat.supr-con2006★ 30 cited

Enhanced critical current density of MgB2 superconductor synthesized in high magnetic fields

Yanwei Ma, Aixia Xu, Xianping Zhang +3

The effect of high magnetic fields on the current carrying properties of both MgB2 bulks and Fe-sheathed tapes was investigated following different thermal sequences. It is found t…