Hydrogen bronzes from VMoO/sub 5.5/: an X-ray diffraction investigation

Ancion, C.;Poncelet, Georges;Fripiat, J.J.
(1985) Materials Research Bulletin — Vol. 20, n° 5, p. 575-581 (1985)

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  • Ancion, C.
    Author
  • Poncelet, GeorgesUCLouvain
    Author
  • Fripiat, J.J.
    Author
Abstract
Hydrogen bronzes obtained by spillover of hydrogen onto Pt particles deposited on the surface of VMoO/sub 5.5/ have been examined by X-ray diffraction. The results show that H/sub 3.4/VMoO /sub 5.5/ is crystalline and that no intermediate crystalline phase is formed during the insertion of hydrogen in the host lattice. Oxidation of the bronze restores the initial oxide phase. Upon back-titration with H/sub 2/ at 60 degrees C, the bronze phase reappears (indicating the reversible character of these bronzes) at a much higher rate than when the bronze is formed for the first time.
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Ancion, C., Poncelet, G., & Fripiat, J. J. (1985). Hydrogen bronzes from VMoO/sub 5.5/: an X-ray diffraction investigation. Materials Research Bulletin, 20(5), 575-581. https://hdl.handle.net/2078.5/42404 (Original work published 1985)