Abstract:
Photoinduced IR absorption measurements are reported on WO3. A photoinduced midinfrared small polaron peak centered at 4800 cm-1 (0.59 eV) was observed. The data were analyzed in the framework of the photon-assisted small-polaron hopping theory and briefly compared to previously published infrared absorption measurements in WO3 and photoinduced IR absorption measurements in high T c cuprates.
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Received 20 April 2001 and Received in final form 13 July 2001
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Mertelj, T., Mihailovic, D. Photoinduced IR absorption in WO 3 : determination of the polaron binding energy. Eur. Phys. J. B 23, 325–327 (2001). https://doi.org/10.1007/s100510170051
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DOI: https://doi.org/10.1007/s100510170051