期刊
REPORTS ON PROGRESS IN PHYSICS
卷 74, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0034-4885/74/12/124512
关键词
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资金
- Chinese Academy of Sciences [2010Y1JB6]
- Ministry of Science and Technology of China [2010CB923000, 2011CBA00101]
- Nature Science Foundation of China [10974175, 11004232, 11050110422]
- Grants-in-Aid for Scientific Research [21340088] Funding Source: KAKEN
Angle-resolved photoemission spectroscopy allows direct visualization and experimental determination of the electronic structure of crystals in the momentum space, including the precise characterization of the Fermi surface and the superconducting order parameter. It is thus particularly suited for investigating multi-band systems such as the Fe-based superconductors. In this review, we cover several aspects of these recently discovered materials that have been addressed by this technique, with a special emphasis on their superconducting gap and their Fermi surface topology. We provide sufficient experimental evidence to support the reliability and the consistency of the angle-resolved photoemission spectroscopy measurements over a wide range of material compositions.
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