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  • PACS. 78.20.-e Optical properties of bulk materials and thin films - 74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)  (1)
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    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 16 (2000), S. 205-208 
    ISSN: 1434-6036
    Keywords: PACS. 78.20.-e Optical properties of bulk materials and thin films - 74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We present the results of a dc transport and optical investigation of WO3 and NaxWO3 with x =0.01. Upon Na-doping we find a (Drude) metallic component in the optical conductivity, while the transport data display a crossover from an activated to a variable range hopping regime around 210 K. We suggest the possible formation of polarons (and bipolarons) and speculate that superconductivity could be induced, provided the dc percolation threshold is achieved.
    Type of Medium: Electronic Resource
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