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摘要

类似于其他非常规超导材料，铁基高温超导电性通常出现在静态长程反铁磁序被抑制之后，并且强烈的自旋涨落始终与超导电性相伴相生，因此理解磁性相互作用是建立铁基超导微观机理的重要前提.中子散射作为研究凝聚态物质中磁性相互作用的有力工具，在揭示铁基超导电性的磁性起源方面起到了关键作用.本文系统总结了近十年来铁基超导材料的中子散射研究结果，包括铁基超导材料中的静态磁结构、磁性相变、动态磁激发、电子向列相等，并探讨它们与超导电性之间的关系.

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Abstract

Like the superconductivities in other unconventional superconductors, high-temperature superconductivity in the iron pnictide often emerges after the static antiferromagnetic order has been suppressed, and is always accompanied by strong spin fluctuations. Therefore, understanding the magnetism and its origin could be an important premise for ascertaining the microscopic mechanism of iron-based superconductivity. Neutron scattering, as a powerful tool for studying magnetic ordering and spin dynamics in condensed matters, plays an essential role in understanding the relationship between magnetism and superconductivity in iron-based superconductors. In this paper, we review the neutron scattering results for iron pnictides, including static magnetic structures, magnetic phase transitions, spin excitations and electronic nematicity, and discuss their relationship with superconductivity.

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作者及机构信息

龚冬良^1,2,
罗会仟¹

1.
2.

通信作者:罗会仟,hqluo@iphy.ac.cn

基金项目:国家自然科学基金（批准号：11374011）、中国科学院青年创新促进会（批准号：2016004）和中国科学院战略性先导科技专项（B类）（批准号：XDB25000000）资助的课题．

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1.
2.

Corresponding author:Luo Hui-Qian,hqluo@iphy.ac.cn

Funds:Project supported by the National Natural Science Foundation of China (Grant No. 11374011), the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. 2016004), and the Strategic Priority Research Program (B) of the Chinese Academy of Sciences (Grant No. XDB25000000).

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Antiferromagnetic order and spin dynamics in iron-based superconductors

摘要

Abstract

作者及机构信息

1.
2.

通信作者:罗会仟,hqluo@iphy.ac.cn

Authors and contacts

1.
2.

Corresponding author:Luo Hui-Qian,hqluo@iphy.ac.cn

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Antiferromagnetic order and spin dynamics in iron-based superconductors

摘要

Abstract

作者及机构信息

1.2.

通信作者:罗会仟,hqluo@iphy.ac.cn

Authors and contacts

1.2.

Corresponding author:Luo Hui-Qian,hqluo@iphy.ac.cn

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