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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2012, Volume 95, Issue 2, Pages 72–75 (Mi jetpl2421)  

This article is cited in 6 scientific papers (total in 6 papers)

CONDENSED MATTER

Ab initio probing of the electronic band structure and Fermi surface of fluorine-doped WO$_3$ as a novel low-$T_C$ superconductor

I. R. Shein, A. L. Ivanovskii

Institute of Solid State Chemistry, Urals Branch of the Russian Academy of Sciences
Full-text PDF (584 kB) Citations (6)
References:
Abstract: First-principles calculations were performed to investigate the electronic structure and the Fermi surface of the newly discovered low-temperature superconductor: fluorine-doped WO$_3$. We find that F doping provides the transition of the insulating tungsten trioxide into a metallic-like phase WO$_{3-x}$F$_x$, where the near-Fermi states are formed mainly from W $5d$ with admixture of O $2p$-orbitals. The cooperative effect of fluorine additives in WO$_3$ consists in change of electronic concentration as well as the lattice constant. At probing their influence on the near-Fermi states separately, the dominant role of the electronic factor for the transition of tungsten oxyfluoride into superconducting state was established. The volume of the Fermi surface gradually increases with the increase of the doping. In the sequence WO$_3\to{}$WO$_{2.5}$F$_{0.5}$ the effective atomic charges of W and O ions decrease, but much less, than it is predicted within the idealized ionic model – owing to presence of the covalent interactions W–O and W–F.
Received: 16.11.2011
Revised: 02.12.2011
English version:
Journal of Experimental and Theoretical Physics Letters, 2012, Volume 95, Issue 2, Pages 66–69
DOI: https://doi.org/10.1134/S0021364012020099
Bibliographic databases:
Document Type: Article
Language: English
Citation: I. R. Shein, A. L. Ivanovskii, “Ab initio probing of the electronic band structure and Fermi surface of fluorine-doped WO$_3$ as a novel low-$T_C$ superconductor”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:2 (2012), 72–75; JETP Letters, 95:2 (2012), 66–69
Citation in format AMSBIB
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\by I.~R.~Shein, A.~L.~Ivanovskii
\paper Ab initio probing of the electronic band structure and Fermi surface of fluorine-doped WO$_3$ as a novel low-$T_C$ superconductor
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\yr 2012
\vol 95
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\pages 72--75
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\jour JETP Letters
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\vol 95
\issue 2
\pages 66--69
\crossref{https://doi.org/10.1134/S0021364012020099}
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  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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