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NbSe3 exhibits remarkable anisotropy in most of its physical properties andhas been a model system for studies of quasi-one-dimensionalcharge-density-wave (CDW) phenomena. Herein, we report the synthesis,characterization, and electrical transport of single-crystalline NbSe3nanoribbons by a facile one-step vapour transport process involving thetransport of selenium powder onto a niobium foil substrate. Our investigationsaid the understanding of the CDW nature of NbSe3 and the growth process of thematerial. They also indicate that NbSe3 nanoribbons have enhanced CDWproperties compared to those of the bulk phase due to size confinement effects,thus expanding the search for new mesoscopic phenomena at the nanoscale level.Single nanoribbon measurements on the electrical resistance as a function oftemperature show charge-density wave transitions at 59 K and 141 K. We alsodemonstrate significant enhancement in the depinning effect and sliding regimesmainly attributed to finite size effects.

Synthesis, Characterization, and Finite Size Effects on Electrical Transport of Nanoribbons of the Charge-Density Wave Conductor NbSe3