Eshelby twist and magic helical zinc oxide nanowires and nanotubes

E. Akatyeva, T. Dumitric

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20 Scopus citations


Twisted zinc oxide nanowires and nanotubes were recently synthesized by screw-dislocation growth. We show theoretically that once their diameter increases above a critical size of the order of a few atomic spacings, the existence of these structures can be rationalized in terms of the energetics of surfaces and veritable Eshelby's twist linear elasticity mechanics supplemented by a nonlinear core term. For Burgers vector larger than the minimum allowed one, a twisted nanotube with well-defined thickness, rather than a nanowire, is the most stable nanostructure. Results are assistive for designing ultrathin nanostructures made out of nonlayered materials.

Original languageEnglish (US)
Article number035501
JournalPhysical review letters
Issue number3
StatePublished - Jul 16 2012


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