Correlation between J enhancement and phase homogeneity in Sn-Ge co-doped Nb3Al superconducting wires

Guowei Li,Junsong Luo,Pengshuai Qu,Xiaoying Chen,Lian Liu,Zhou Yu,Yong Zhao,Yong Feng,Yong Zhang

Materials Letters（2022）

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摘要

•Sn-Ge co-doped Nb3Al wires were fabricated for the first time.•The enhanced phase homogeneity is beneficial to the Nb3Al wires’ Jc.•Doubled Jc was obtained in the Sn-Ge co-doped Nb3Al wires, reaching 3.01 × 103 A/mm2 at 5 T and 8 K.

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关键词

Superconductors,Nb3Al wire,Co-doping,Electron microscopy

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