Pulse Response of the Charge-Density Wave in K_0.30MoO₃

Abstract

The response of the charge-density wave (CDW) in K_0.30MoO₃ to pulsed electric fields is investigated in two types of samples, namely, the switching and the non-switching ones. The response in the switching sample is different from that in the non-switching sample and is quite complicated. Its origin is discussed in relation to the deformation of the CDW. In addition, the temperature dependence of the threshold field E_T is measured by the pulse method. Both types of samples show no maximum of E_T around 100 K reported by Dumas et al.