FeTe0.8S0.2中湿气诱导的超导电性
超导电性
2010-06-24 v5
摘要
在FeTe0.8S0.2中观察到湿气诱导的超导电性。将样品暴露于空气中,零电阻温度和超导体积分数分别提升至7.2 K和48.5%,而生长态样品仅显示丝状超导电性。我们得出结论,超导电性演化的原因是与水相关的离子和/或分子,因为只有在室温水中保存数天的样品才表现出超导电性。将样品浸入热水中可显著增强超导电性的演化速度。
引用
@article{arxiv.0912.2240,
title = {Moisture-induced superconductivity in FeTe0.8S0.2},
author = {Yoshikazu Mizuguchi and Keita Deguchi and Shunsuke Tsuda and Takahide Yamaguchi and Yoshihiko Takano},
journal= {arXiv preprint arXiv:0912.2240},
year = {2010}
}
备注
15 pages, 7 figures, accepted for publication in Phys. Rev. B