Iron-based superconductors: magnetism, superconductivity and electronic structure (Review Article)

Автор(и)

  • A.A. Kordyuk Institute of Metal Physics of the National Academy of Sciences of Ukraine, 36 Vernadsky Str., Kiev 03142, Ukraine

DOI:

https://doi.org/10.1063/1.4752092

Ключові слова:

superconductivity, iron-based superconductors, electronic band structure, angle resolved photoemission spectroscopy.

Анотація

Angle resolved photoemission spectroscopy (ARPES) reveals the features of the electronic structure of quasitwo- dimensional crystals, which are crucial for the formation of spin and charge ordering and determine the mechanisms of electron–electron interaction, including the superconducting pairing. The newly discovered ironbased superconductors (FeSC) promise interesting physics that stems, on one hand, from a coexistence of superconductivity and magnetism and, on the other hand, from complex multi-band electronic structure. In this review I want to give a simple introduction to the FeSC physics, and to advocate an opinion that all the complexity of FeSC properties is encapsulated in their electronic structure. For many compounds, this structure was determined in numerous ARPES experiments and agrees reasonably well with the results of band structure calculations. Nevertheless, the existing small differences may help to understand the mechanisms of the magnetic ordering and superconducting pairing in FeSC.

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Опубліковано

2012-07-16

Як цитувати

(1)
Kordyuk, A. Iron-Based Superconductors: Magnetism, Superconductivity and Electronic Structure (Review Article). Fiz. Nizk. Temp. 2012, 38, 1119-1134.

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