A few points on iron-based superconductors

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• 作者：Zhongxian Zhao ; ^{zhxzhao@aphy.iphy.ac.cn} ; Xiaoli Dong ; Liling Sun
• 关键词：A. Iron-based superconductors ; A. Cuprates ; D. Intrinsic inhomogeneity ; E. Pressure
• 刊名：Solid State Communications
• 出版年：2012
• 期刊代码：101_00381098
• 类别：ms
• 出版时间：April, 2012
• 卷：152
• 期：8
• 页码：660-665
• 文件大小：983 K

摘要

We highlight a few points on iron-based superconductors in this paper. Experimental evidence for intrinsic inhomogeneity and phase separation in Fe-based superconductors is reviewed first. The non-BCS feature and other similarities between the Fe-based superconductors and the cuprates are also presented. The pressure effect on the FeSe-based superconductors observed recently is then discussed in terms of the interplay between superconducting transition temperature and structural characters. It is suggested that there is room for exploring new superconductors with higher transition temperature and that the improvement on the sample quality is necessary for further investigation on the superconducting mechanism.