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铁基超导体材料的晶体结构与相图（英文）

Crystal structure and phase diagrams of iron-based superconductors

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【Author】 Xigang Luo;Xianhui Chen;Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics,University of Science and Technology of China;Key Laboratory of Strongly-coupled Quantum Matter Physics,Chinese Academy of Sciences,University of Science and Technology of China;

【机构】 Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics,University of Science and Technology of China； Key Laboratory of Strongly-coupled Quantum Matter Physics,Chinese Academy of Sciences,University of Science and Technology of China；

【摘要】自铁基化合物中发现高温超导电性以来,人们已经合成了众多具有不同间隔层的体系.同时科学家们为揭示铁基超导体高温超导电性的特征和起源,在实验和理论研究方面都投入了大量的精力.但是直到今天其高温超导电性的起源仍然没有得以解决,特别是对正常态性质背后的物理还存在很多争论.本文总结了铁基超导体系的晶体结构以及相图,并提供了一些指向具有更高转变温度T c的新超导体的提示和高温超导机理的线索.更多还原

【Abstract】 Since the discovery of high-temperature superconductivity(HTS) in iron-based compounds,a variety of systems with different spacer layers have been fabricated. Concurrently,considerable experimental and theoretical effort has been expended exploring the characteristics and source of HTS in iron-based superconductors. However,the origin of this HTS remains unresolved to date,while considerable debate exists regarding the underlying physics of the normal-state properties of iron-based compounds in particular. In this short review,we will briefly summarize the crystal structures and phase diagrams of the iron-based superconducting systems,aiming to discover potential avenues for the development of new superconductors with higher superconducting transition temperatures(Tc),along with indications of the specifics of the HTS mechanism in these substances.更多还原

【关键词】高温超导电性；晶体结构；铁基；正常态； tetragonal；转变温度； coexistence； permission； doping； superconductor；

【基金】 supported by the National Natural Science Foundation of China (11190021,U1330105,11174266);the “Strategic Priority Research Program (B)” of the Chinese Academy of Sciences (XDB04040100);the National Basic Research Program of China (2011CBA00101)

【文献出处】 Science China Materials ,Science China Materials , 编辑部邮箱 ,2015年01期

【分类号】TM26
【被引频次】21
【下载频次】388

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