A few points on iron-based superconductors

被引：4

作者：

Zhao, Zhongxian ^{[1
]}

Dong, Xiaoli ^{[1
]}

Sun, Liling ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2012年 / 152卷 / 08期

关键词：

Iron-based superconductors; Cuprates; Intrinsic inhomogeneity; Pressure; HIGH-TEMPERATURE SUPERCONDUCTIVITY; RARE-EARTH; HIGH-PRESSURE; 43; K; PHASE; PSEUDOGAP; CUPRATE; METAL; GAP;

D O I：

10.1016/j.ssc.2011.12.033

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

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. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：660 / 665

页数：6

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