Infrared signature of the charge-density-wave gap in ZrTe3

Perucchi, A. ; Degiorgi, L. ; Berger, H.

In: The European Physical Journal B - Condensed Matter and Complex Systems, 2005, vol. 48, no. 4, p. 489-493

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    Summary
    Abstract.: The chain-like ZrTe3 compound undergoes a charge-density-wave (CDW) transition at TCDW=63K, most strongly affecting the conductivity perpendicular to the chains. We measure the temperature (T) dependence of the optical reflectivity from the far infrared up to the ultraviolet with polarized light. The CDW gap Δ(T) along the direction perpendicular to the chains is compatible for T