activity
20122016
most citedRealization of practical level current densities in Sr0.6K0.4Fe2As2 tape conductors for high-field applications

130 citations · 411 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.supr-con2016★ 27 cited

Vortex pinning and dynamics in high performance Sr0.6K0.4Fe2As2 superconductor

Chiheng Dong, He Lin, He Huang +7

We have studied vortex pinning and dynamics in a Sr0.6K0.4Fe2As2 superconducting tape with critical current density Jc~0.1 MA/cm2 at 4.2 K and 10 T. It is found that grain boundary…

cond-mat.supr-con2015★ 32 cited

Critical current density and microstructure of iron sheathed multifilamentary Sr1-xKxFe2As2/Ag composite conductors

Chao Yao, He Lin, Qianjun Zhang +6

Iron-based superconductors have been considered to be very promising in high-field applications, for which multifilamentary wire and tape conductors with high mechanical strength a…

cond-mat.supr-con2015★ 21 cited

Large transport Jc in Cu-sheathed Sr0.6K0.4Fe2As2 superconducting tape conductors

He Lin, Chao Yao, Haitao Zhang +5

Copper sheath is the first choice for manufacturing high-Tc superconducting wires and tapes because of its high electrical and thermal conductivities, low cost and good mechanical…

cond-mat.supr-con2014★ 1 cited

High critical current density in textured Ba-122/Ag tapes fabricated by scalable rolling process

Chiheng Dong, Chao Yao, He Lin +7

The industrial manufacturing of the long-length iron-pnictide wires and tapes requires simple and low-cost technology. Although the transport critical current density of the FeAs-1…

cond-mat.supr-con2014★ 68 cited

Hot pressing to enhance the transport Jc of Sr0.6K0.4Fe2As2 superconducting tapes

He Lin, Chao Yao, Xianping Zhang +9

High-performance Sr0.6K0.4Fe2As2 (Sr-122) tapes have been successfully fabricated using hot pressing (HP) process. The effect of HP temperatures (850-925 C) on the c-axis texture,…

cond-mat.supr-con2014★ 16 cited

Enhancement of transport critical current density of SmFeAsO1-xFx tapes fabricated by an ex-situ powder-in-tube method with a Sn-presintering process

Qianjun Zhang, Chao Yao, He Lin +10

SmFeAsO1-xFx (Sm1111) tapes were prepared by an ex-situ powder-in-tube method with a Sn-presintering process. Scanning electron microscopy revealed apparent difference in microstru…

cond-mat.supr-con2014★ 130 cited

Realization of practical level current densities in Sr0.6K0.4Fe2As2 tape conductors for high-field applications

Xianping Zhang, Chao Yao, He Lin +10

122 type pnictide superconductors are of particular interest for high-field applications because of their large upper critical fields Hc2 (> 100 T), low Hc2 anisotropy r (< 2), and…

cond-mat.supr-con2013★ 44 cited

Strongly enhanced current densities in Sr0.6K0.4Fe2As2 superconducting tapes

He Lin, Chao Yao, Xianping Zhang +6

Improving transport current has been the primary issue for practical application of superconducting wires and tapes. However, the porous nature of powder-in-tube (PIT) processed ir…

cond-mat.supr-con2013★ 19 cited

Large transport critical currents and magneto-optical imaging of textured Sr1-xKxFe2As2 superconducting tapes

Yanwei Ma, Chao Yao, Xianping Zhang +7

We report the temperature dependence of the transport critical current density (Jc) in textured Sr1-xKxFe2As2/Fe (Sr122) tapes fabricated by an ex situ powder-in-tube process. Crit…

cond-mat.supr-con2012★ 42 cited

Fabrication and transport properties of Sr0.6K0.4Fe2As2 multifilamentary superconducting wires

Chao Yao, Yanwei Ma, Chengduo Wang +5

Seven-core Ag/Fe sheathed Sr0.6K0.4Fe2As2 (Sr-122) superconducting wires were produced by the ex situ powder-in-tube (PIT) method. The relationship between the cold-work deformatio…

cond-mat.supr-con2012★ 11 cited

Effect of starting materials on the superconducting properties of SmFeAsO1-xFx tapes

Chunlei Wang, Chao Yao, Xianping Zhang +7

SmFeAsO1-xFx tapes were prepared using three kinds of starting materials. It shows that the starting materials have an obvious effect on the impurity phases in final superconductin…