| “111”型铁基超导材料研究进展 |
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| 引用本文： | 望贤成,靳常青.“111”型铁基超导材料研究进展[J].物理学报,2018,67(20):207414-207414. |
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| 作者姓名： | 望贤成 靳常青 |
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| 作者单位： | 1. 中国科学院物理研究所, 北京 100190;
2. 中国科学院大学, 北京 100049 |
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| 基金项目： | 国家自然科学基金（批准号：11474344）和国家重点研发计划（批准号：2018YFA0305700，2017YFA0302900）资助的课题. |
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| 摘 要： | “111”型铁基超导体系包含LiFeAs，NaFeAs和LiFeP三个组员.这三个组员的晶体结构简单，具有非极性解离面等特点，在铁基超导物理机理研究中发挥着独特的作用.本文简要介绍“111”型铁基超导体的研究进展.
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| 关 键 词： | “111”型铁基超导体 LiFeAs LiFeP NaFeAs |
| 收稿时间： | 2018-08-23 |
Research progress about “111”-typed iron based superconductor |
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| Wang Xian-Cheng,Jin Chang-Qing.Research progress about “111”-typed iron based superconductor[J].Acta Physica Sinica,2018,67(20):207414-207414. |
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| Authors: | Wang Xian-Cheng Jin Chang-Qing |
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| Institution: | 1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | “111”-typed iron based superconductors have three members: LiFeAs, NaFeAs and LiFeP. The family of LiFeAs itself does not show any long range magnetic order but become superconductor without chemical doping. NaFeAs displays the separation of structural and magnetic transition, suitable to investigate the origin of the two transitions. LiFeP has been proved to be a nodal superconductor. The structure of “111” compounds consists ofFeAs/P] layers intercalated with two alkali metal layers, which makes single crystals easy to be cleaved into two equal counterparts with non-polar surface and thus is favored by the surface characterization techniques, such as the research of angleresolved photoemission experiment and scanning tunneling microscope measurement. Up to now, fruitful results have been achieved about the study of “111” family. In this paper, we summarize recent progresses on this family. |
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| Keywords: | “111”-typed iron based superconductor LiFeAs LiFeP NaFeAs |
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