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Fizika Tverdogo Tela, 2020, Volume 62, Issue 10, Pages 1618–1626
DOI: https://doi.org/10.21883/FTT.2020.10.49906.121
(Mi ftt8282)
 

This article is cited in 2 scientific papers (total in 2 papers)

Semiconductors

Electronic structure of an ultrathin molybdenum oxide film

P. A. Dementeva, E. V. Ivanovaa, M. N. Lapushkina, D. A. Smirnovb, S. N. Timoshnevc

a Ioffe Institute, St. Petersburg
b Institut für Festkörper- und Materialphysik, Technische Universität Dresden, Germany
c Alferov Federal State Budgetary Institution of Higher Education and Science Saint Petersburg National Research Academic University of the Russian Academy of Sciences, St. Petersburg
Abstract: The electronic structure of an ultra-thin molybdenum oxide film obtained by oxidation of molybdenum at an oxygen pressure of 1 Torr and the effect of adsorption of sodium atoms Na on its electronic structure are studied by ultra-vacuum photoelectron spectroscopy in ultrahigh vacuum. Photoemission spectra from the valence band and core levels of O 2s2s, Mo 3d3d Mo 3p3p, and Na 1p1p are studied, upon synchrotron excitation in the photon energy range 80 – 600 eV. It is shown that in the formed oxide film, molybdenum is in two states: Mo6+6+ and Mo4+4+. On the surface of the oxide, oxygen is induced both in the composition of the oxides and in hydroxyl. It was shown that MoO33 is formed on the surface, and MoO22 at a distance from the surface. The deposition of Na atoms leads to intercalation of the molybdenum oxide layer.
Keywords: molybdenum oxides, photoemission, sodium, intercalation.
Funding agency Grant number
Russian Foundation for Basic Research 20-02-00370
This work was supported by the Russian Foundation for Basic Research, project no. 20-02-00370.
Received: 04.06.2020
Revised: 04.06.2020
Accepted: 04.06.2020
English version:
Physics of the Solid State, 2020, Volume 62, Issue 10, Pages 1787–1795
DOI: https://doi.org/10.1134/S1063783420100030
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: P. A. Dementev, E. V. Ivanova, M. N. Lapushkin, D. A. Smirnov, S. N. Timoshnev, “Electronic structure of an ultrathin molybdenum oxide film”, Fizika Tverdogo Tela, 62:10 (2020), 1618–1626; Phys. Solid State, 62:10 (2020), 1787–1795
Citation in format AMSBIB
\Bibitem{DemIvaLap20}
\by P.~A.~Dementev, E.~V.~Ivanova, M.~N.~Lapushkin, D.~A.~Smirnov, S.~N.~Timoshnev
\paper Electronic structure of an ultrathin molybdenum oxide film
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 10
\pages 1618--1626
\mathnet{http://mi.mathnet.ru/ftt8282}
\crossref{https://doi.org/10.21883/FTT.2020.10.49906.121}
\elib{https://elibrary.ru/item.asp?id=44041038}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 10
\pages 1787--1795
\crossref{https://doi.org/10.1134/S1063783420100030}
Linking options:
  • https://www.mathnet.ru/eng/ftt8282
  • https://www.mathnet.ru/eng/ftt/v62/i10/p1618
  • This publication is cited in the following 2 articles:
    1. Yifan Li, Xueying Wan, Zhigang Chen, Ding Ding, Hao Li, Ning Zhang, Dong Liu, Yi Cui, “Activity Enhancement of Molybdenum Carbide in Alkaline Hydrogen Evolution Reaction through Oxidation-Gradient Modulation”, ACS Catal., 2024, 16712  crossref
    2. Huan Lou, Kaiwen Qiu, Guochun Yang, “Janus Mo2P3 Monolayer as an Electrocatalyst for Hydrogen Evolution”, ACS Appl. Mater. Interfaces, 13:48 (2021), 57422  crossref
    Citing articles in Google Scholar: Russian citations, English citations
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