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Electronic structure of tetragonal tungsten bronzes and electrochromic oxides

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Abstract

X-ray photoemission spectra of the band structures of WO3, crystalline H x WO3 and the tetragonal and cubic bronzes M x WO3 (M=Li, Na) exhibit great similarity. In the bronzes tungsten 5d conduction band states are occupied. The tungsten 4f core level spectra of these materials have an unusual, but characteristic structure attributed to a combination of final state screening and hydrogen or alkali ion neighbor effects. The band structure of amorphous electrochromic WO3 films differs in characteristic ways from that of the crystalline bronzes.

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Wertheim, G.K., Campagna, M., Chazalviel, J.-. et al. Electronic structure of tetragonal tungsten bronzes and electrochromic oxides. Appl. Phys. 13, 225–230 (1977). https://doi.org/10.1007/BF00882885

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PACS Code

  • 79.60