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Pis'ma v Zh. Èksper. Teoret. Fiz., 2014, Volume 99, Issue 10, Pages 687–703 (Mi jetpl3743)  

This article is cited in 15 scientific papers (total in 15 papers)

SCIENTIFIC SUMMARIES

Electronic structure of new iron-based superconductors: From pnictides to chalcogenides and other similar systems

I. A. Nekrasova, M. V. Sadovskiib

a Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
b Institute of Metal Physics, Ural Division of the Russian Academy of Sciences

Abstract: The electronic spectra of new iron-based high-temperature superconductors and a number of other chemically similar compounds have been discussed and compared with the focus on iron chalcogenide K$_{1-x}$Fe$_{2-y}$Se$_2$ and isostructural pnictide BaFe$_2$As$_2$ (122). It has been shown that the Fermi surfaces in K$_{1-x}$Fe$_{2-y}$Se$_2$ are significantly different from those in pnictides. The LDA + DMFT and LDA + DMFT calculations have demonstrated that the effect of electron correlations in K$_{1-x}$Fe$_{2-y}$Se$_2$ on the electronic structure is much stronger than that in the most studied 122 system. The electronic structure of several multiband superconductors similar in chemical composition to iron-based high-temperature superconductors, but having a relatively low $T_c$ value (such as SrPt$_{2}$As$_{2}$, APt$_{3}$P (A = Sr, Ca, La), and (Sr, Ca)Pd$_2$As$_2$), and the non-superconducting compound BaFe$_2$Se$_3$ has also been discussed. It has been shown that the electronic structure of these systems is significantly different from previously studied iron pnictides and chalcogenides. The $T_c$ value in these systems can be understood within the simple Bardeen–Cooper–Schrieffer model.

DOI: https://doi.org/10.7868/S0370274X14100099

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English version:
Journal of Experimental and Theoretical Physics Letters, 2014, 99:10, 598–612

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Document Type: Article
Received: 21.04.2014

Citation: I. A. Nekrasov, M. V. Sadovskii, “Electronic structure of new iron-based superconductors: From pnictides to chalcogenides and other similar systems”, Pis'ma v Zh. Èksper. Teoret. Fiz., 99:10 (2014), 687–703; JETP Letters, 99:10 (2014), 598–612

Citation in format AMSBIB
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\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
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\vol 99
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\pages 687--703
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    1. McCabe E.E., Stock C., Bettis Jr. J. L., Whangbo M.-H., Evans J.S.O., “Magnetism of the FE2+ and Ce3+ Sublattices in Ce2O2Fese2: a Combined Neutron Powder Diffraction, Inelastic Neutron Scattering, and Density Functional Study”, Phys. Rev. B, 90:23 (2014), 235115  crossref  adsnasa  isi  elib  scopus
    2. JETP Letters, 101:1 (2015), 47–50  mathnet  crossref  crossref  isi  elib  elib
    3. JETP Letters, 102:1 (2015), 26–31  mathnet  crossref  crossref  isi  elib  elib
    4. Kashurnikov V. Krasavin A., “Correlation Properties and Band Structure of FeAs-based Superconductors”, Proceedings of the 27Th International Symposium on Superconductivity (Iss 2014), Physics Procedia, 65, ed. Kiss T. Izumi T., Elsevier Science BV, 2015, 21–24  crossref  isi  scopus
    5. Kashurnikov V.A. Krasavin A.V., “Band structure and density of states in FeAs-based superconductors”, 4Th International Conference on Mathematical Modeling in Physical Sciences (Ic-Msquare2015), Journal of Physics Conference Series, 633, ed. Vagenas E. Vlachos D. Suraud E. Solov'yov A. De Padova I. Le Lay G. Varga K., IOP Publishing Ltd, 2015, 012109  crossref  isi  scopus
    6. V. A. Kashurnikov, A. V. Krasavin, Ya. V. Zhumagulov, “Electron density of states of Fe-based superconductors: Quantum trajectory Monte Carlo method”, JETP Letters, 103:5 (2016), 334–340  mathnet  crossref  crossref  isi  elib
    7. M. V. Sadovskii, “High-temperature superconductivity in FeSe monolayers”, Phys. Usp., 59:10 (2016), 947–967  mathnet  crossref  crossref  adsnasa  isi  elib
    8. Nekrasov I.A. Pavlov N.S. Sadovskii M.V. Slobodchikov A.A., “Electronic structure of FeSe monolayer superconductors”, Low Temp. Phys., 42:10 (2016), 891–899  crossref  isi  elib  scopus
    9. Kashurnikov V.A. Krasavin A.V. Zhumagulov Ya.V., “Restoration of density of states for FeAs-based superconductors”, II Conference on Plasma & Laser Research and Technologies, Journal of Physics Conference Series, 747, IOP Publishing Ltd, 2016, UNSP 012035  crossref  isi  scopus
    10. Nekrasov I.A. Pavlov N.S. Sadovskii M.V., “Electronic Structure of NaFeAs Superconductor: LDA + DMFT Calculations Compared with ARPES Experiment”, J. Supercond. Nov. Magn, 29:4 (2016), 1117–1122  crossref  isi  elib  scopus
    11. Kashurnikov V.A. Krasavin A.V. Zhumagulov Ya.V., “Momentum Distribution of Occupation Numbers in Feas-Based Superconductors”, 5Th International Conference on Mathematical Modeling in Physical Sciences (Ic-Msquare 2016), Journal of Physics Conference Series, 738, ed. Vagenas E. Vlachos D., IOP Publishing Ltd, 2016, UNSP 012020  crossref  isi  scopus
    12. Vladimir A. Kashurnikov, Andrey V. Krasavin, Yaroslav V. Zhumagulov, “Calculation of density of states for FeAs-based superconductors”, Zhurn. SFU. Ser. Matem. i fiz., 10:2 (2017), 233–238  mathnet  crossref
    13. M. L. Kulic, O. V. Dolgov, “The electronphonon interaction with forward scattering peak is dominant in high T$_c$ superconductors of FeSe films on SrTiO$_{3}$ (TiO$_2$)”, New J. Phys., 19 (2017), 013020  crossref  isi  scopus
    14. I. A. Nekrasov, N. S. Pavlov, M. V. Sadovskii, “Electronic structure of fese monolayer superconductors: shallow bands and correlations”, J. Exp. Theor. Phys., 126:4 (2018), 485–496  crossref  mathscinet  isi  scopus
    15. Virtue A., Zhou X., Wilfong B., Lynn J.W., Taddei K., Zavalij P., Wang L., Rodriguez E.E., “Magnetic Order Effects on the Electronic Structure of Kmmns2 (M=Cu, Li) With the Thcr2Si2-Type Structure”, Phys. Rev. Mater., 3:4 (2019), 044411  crossref  isi  scopus
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