Superconducting properties of FeSe wires and tapes prepared by a gas diffusion technique

被引：37
|
作者：
Gao, Zhaoshun [1 ]
Qi, Yanpeng [1 ]
Wang, Lei [1 ]
Wang, Dongliang [1 ]
Zhang, Xianping [1 ]
Yao, Chao [1 ]
Ma, Yanwei [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Appl Superconduct, Inst Elect Engn, Beijing 100190, Peoples R China
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2011年 / 24卷 / 06期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/0953-2048/24/6/065022
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Superconducting FeSe in the form of wires and tapes were successfully fabricated using a novel gas diffusion procedure. Structural analysis by means of x-ray diffraction shows that the main phase of tetragonal PbO-type FeSe was obtained by this synthesis method. The zero resistivity transition temperature of the FeSe was confirmed to be 9.3 K. A critical current density as high as 137 A cm(-2) (4 K, self-field) was observed. The results suggest that the diffusion procedure is promising in preparing high-quality FeSe wires and tapes.
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页数：4
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