| Issue |
Europhys. Lett.
Volume 73, Number 5, March 2006
|
|
|---|---|---|
| Page(s) | 765 - 771 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2005-10448-8 | |
| Published online | 18 January 2006 | |
Electrical transport in deformed nanostrips: Electrical signature of reversible mechanical failure
S. N. Bose National Centre for Basic Sciences - Block JD, Sector III, Salt Lake Kolkata 700 098, India
Corresponding authors: soumendu@bose.res.in debc@bose.res.in tanusri@bose.res.in surajit@bose.res.in
Received:
18
November
2005
Accepted:
5
January
2006
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 conductivity anomaly may have practical use as a sensitive strain transducer.
PACS: 73.40.-c – Electronic transport in interface structures / 73.22.-f – Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals / 62.25.+g – Mechanical properties of nanoscale materials
© EDP Sciences, 2006
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