Electrical transport in deformed nanostrips: electrical signature of reversible mechanical failure
Soumendu Datta, Debasish Chaudhuri, Tanusri Saha-Dasgupta, Surajit Sengupta
Abstract
We calculate the electrical conductivity of a thin crystalline strip of atoms confined within a quasi one dimensional channel of fixed width. The conductivity shows anomalous behavior as the strip is deformed under tensile loading. Beyond a critical strain, the solid fails by the nucleation of alternating bands of solid and smectic like phases accompanied by a jump in the conductivity. Since the failure of the strip in this system is known to be reversible, the onductivity anomaly may have practical use as a sensitive strain transducer.
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