Demonstrating Structural Deformation in an Inorganic Nanotube.
There is much current interest in nanostructured materials (nanotubes, nanobelts, nanospheres, etc.). Their crystal structures can differ from those of the equivalent bulk materials. Determining these differences is important in understanding how the properties of nanomaterials differ from those of...
| Publicado en: | Journal of the American Chemical Society Vol. 130; no. 30; pp. 9931 - 9935 |
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| Autores principales: | , |
| Formato: | Artículo |
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American Chemical Society
7/30/2008
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=hlh&AN=33835716&site=ehost-live header: @attributes: shortDbName: hlh uiTerm: 33835716 longDbName: Humanities International Complete uiTag: AN controlInfo: bkinfo: jinfo: jid: 00027863 ACS jtl: Journal of the American Chemical Society issn: 00027863 maglogo: N pubinfo: dt: 7/30/2008 vid: 130 iid: 30 pid: 997 pub: American Chemical Society artinfo: ui: 33835716 10.1021/ja8028334 ppf: 9931 ppct: 4 formats: tig: atl: Demonstrating Structural Deformation in an Inorganic Nanotube. aug: au: Andreev, Yuri G. Bruce, Peter G. affil: School of Chemistry, University of St. Andrews, St. Andrews, Fife KYI6 9ST, Scotland su: Inorganic chemistry Nanotubes Deformations (Mechanics) Nanostructured materials X-ray scattering sug: subj: Inorganic chemistry Nanotubes Deformations (Mechanics) Nanostructured materials X-ray scattering ab: There is much current interest in nanostructured materials (nanotubes, nanobelts, nanospheres, etc.). Their crystal structures can differ from those of the equivalent bulk materials. Determining these differences is important in understanding how the properties of nanomaterials differ from those of the bulk. Established methods of X-ray structure determination become increasingly difficult or impossible to apply on reducing the dimensions to a few nanometers. Here we show that, by combining the Debye equation for X-ray scattering (which relates an ensemble of atoms to their diffraction pattern without recourse to symmetry) with a model of the crystal structure, generated by folding the ideal crystal structure into a nanotube, the severely broadened/distored powder diffraction pattern may be described. This procedure reveals the significant structural deformations necessary to accommodate the nanotube shape. The importance of knowing the (deformed) crystal structure is discussed. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: Y dt: @attributes: year: 2008 holdings: @attributes: islocal: N |
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