层状铁化合物和硫属化合物的高温超导性难题

IF 35 1区物理与天体物理 Q1 PHYSICS, CONDENSED MATTER

Advances in Physics Pub Date : 2010-05-24 DOI:10.1080/00018732.2010.513480

D. Johnston

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引用次数: 1191

摘要

2008年，全球科学界对铁基化合物LaFeAsO1−x fx在温度为26 K时的超导性的发现反应非常热烈。在短时间内，发现了其他具有相同或相关晶体结构的铁基超导体，其温度高达56 K。为了了解这些新材料的基本特性和相变机理，我们进行了许多实验并制定了理论。在对实验文献的选择性批判性回顾中，我们提取了一些广泛的工作，并参考理论概念和模型讨论了这些材料的不同类型实验之间的关系。强调了实验正常状态的性质，其中包括电子和磁性，因为这些材料中超导的电子/磁性机制的可能性。

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The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides

The response of the worldwide scientific community to the discovery in 2008 of superconductivity at T c = 26 K in the Fe-based compound LaFeAsO1−x F x has been very enthusiastic. In short order, other Fe-based superconductors with the same or related crystal structures were discovered with T c up to 56 K. Many experiments were carried out and theories formulated to try to understand the basic properties of these new materials and the mechanism for T c. In this selective critical review of the experimental literature, we distill some of this extensive body of work, and discuss relationships between different types of experiments on these materials with reference to theoretical concepts and models. The experimental normal-state properties are emphasized, and within these the electronic and magnetic properties because of the likelihood of an electronic/magnetic mechanism for superconductivity in these materials.

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来源期刊

Advances in Physics 物理-物理：凝聚态物理

CiteScore

67.60

自引率

0.00%

发文量

期刊介绍： Advances in Physics publishes authoritative critical reviews by experts on topics of interest and importance to condensed matter physicists. It is intended for motivated readers with a basic knowledge of the journal’s field and aims to draw out the salient points of a reviewed subject from the perspective of the author. The journal''s scope includes condensed matter physics and statistical mechanics: broadly defined to include the overlap with quantum information, cold atoms, soft matter physics and biophysics. Readership: Physicists, materials scientists and physical chemists in universities, industry and research institutes.