Article Dans Une Revue Thin Solid Films Année : 2009

Evidence of hexagonal WO3 structure stabilization on mica substrate.

Résumé

WO3 nanorods are grown by a simple vapor deposition method on a mica substrate and characterized by Selected Area Electron Diffraction and Energy Dispersive X-rays Spectroscopy. Experimental results show the clear evidence of an unexpected WO3 hexagonal structure as well as an epitaxial growth on the mica substrate. Besides, potassium is evidenced inside the nanorods. It is thus deduced that a metastable WO3 hexagonal phase is stabilized by epitaxy through a tungsten bronze interlayer having same hexagonal structure.

Dates et versions

hal-00432325 , version 1 (16-11-2009)

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S. Bruyère, V. Potin, M. Gillet, B. Domenichini, S. Bourgeois. Evidence of hexagonal WO3 structure stabilization on mica substrate.. Thin Solid Films, 2009, 517, pp.6565-6568. ⟨10.1016/j.tsf.2009.04.029⟩. ⟨hal-00432325⟩
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