arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1310.1983cond-mat.supr-con
收藏

Se和S蒸气中退火诱导Fe $_{1+y}$ Te $_{1-x}$ Se $_{x}$的体超导电性

Bulk Superconductivity in Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ Induced by Annealing in Se and S Vapor

Yue Sun, Yuji Tsuchiya, Tatsuhiro Yamada, Toshihiro Taen, Sunseng Pyon, Zhixiang Shi, Tsuyoshi Tamegai

摘要:

本文报道了Fe $_{1+y}$ Te $_{1-x}$ Se $_{x}$在Se和S蒸气中退火可诱导体超导电性。充分退火的样品显示出大的临界电流密度,S {J} $_c$ $\sim$ 2 - 4 $\times$ 10 $^5$ A/cm $^2$。结合我们以前关于O、$_2$和Te退火效应的报道,我们证明了Fe $_{1+y}$ Te $_{1-x}$ Se $_{x}$在O、S、Se和Te等硫族元素气氛中退火可以成功地诱导体超导电性。

英文摘要:

We reported that bulk superconductivity in Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ can be induced by annealing in Se and S vapor. The well-annealed samples show a large critical current density, emph{J}$_c$ $\sim$ 2 - 4 $\times$ 10$^5$ A/cm$^2$. Combined with our previous reports about O$_2$ and Te annealing effects, we proved that bulk superconductivity can be successfully induced in Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ by annealing in atmosphere of all chalcogens, such as O, S, Se and Te.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑