作者:Keita Deguchi、Yoshikazu Mizuguchi、Showgo Ogawara、Tohru Watanabe、Shunsuke Tsuda、Takahide Yamaguchi、Yoshihiko Takano
DOI:10.1016/j.physc.2009.10.124
日期:2010.12
We observed dramatic improvement of the superconducting transition temperature in FeTe(0.8)S(0.2). Although as-grown sample did not show zero resistivity, the sample, which was exposed to air for several days, showed zero resistivity with sharp superconducting transition. (C) 2009 Elsevier B.V. All rights reserved.