Electronic and Superconducting Properties of the AFeAs (A = Li, Na) Family Alkali-Metal Pnictides: Current Stage of the Research (Brief Review)

The review is focused on one of the most exotic families of iron-based superconductors belonging to the AFeAs structural class, where A is an alkali metal. We briefly concern physical and electronic properties of the typical members of this family, LiFeAs and NaFeAs, discuss the theoretical models d...

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Bibliographic Details
Published in:JETP letters 2021-11, Vol.114 (10), p.630-642
Main Authors: Kuzmicheva, T. E., Kuzmichev, S. A.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Condensed Matter
Group 5A compounds
Iron
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
Superconductivity
Superconductors
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Summary:The review is focused on one of the most exotic families of iron-based superconductors belonging to the AFeAs structural class, where A is an alkali metal. We briefly concern physical and electronic properties of the typical members of this family, LiFeAs and NaFeAs, discuss the theoretical models describing the multigap superconducting state, and the experimental data available in literature. As well, we specify the main unsolved problems, that seem crucial for both, the AFeAs family and for iron-based superconductors in g-eneral.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364021220070