Elasticity and piezoelectricity of zinc oxide crystals, single layers, and possible single-walled nanotubes

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dc.creatorTu, Z. C.
dc.creatorHu, X.
dc.date2005-11-11
dc.date2006-09-06
dc.date.accessioned2026-07-07T06:46:01Z
dc.date.available2026-07-07T06:46:01Z
dc.descriptionThe elasticity and piezoelectricity of zinc oxide (ZnO) crystals and single layers are investigated from the first-principles calculations. It is found that a ZnO thin film less than three Zn-O layers prefers a planar graphite-like structure to the wurtzite structure. ZnO single layers are much more flexible than graphite single layers in the elasticity and stronger than boron nitride single layers in the piezoelectricity. Single-walled ZnO nanotubes (SWZONTs) can exist in principle because of their negative binding energy. The piezoelectricity of SWZONTs depends on their chirality. For most ZnO nanotubes except the zigzag type, twists around the tube axis will induce axial polarizations. A possible scheme is proposed to achieve the SWZONTs from the solid-vapor phase process with carbon nanotubes as templates.
dc.description6 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0511274
dc.identifierhttp://arxiv.org/abs/cond-mat/0511274
dc.identifierPhys. Rev. B 74, 035434 (2006)
dc.identifierdoi:10.1103/PhysRevB.74.035434
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103207
dc.subjectMaterials Science
dc.titleElasticity and piezoelectricity of zinc oxide crystals, single layers, and possible single-walled nanotubes
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