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Journal Articles Journal of Applied Crystallography Year : 2018

Diffraction from twisted nanowires: helicity revealed by anisotropy

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Abstract

The helical nature of twisted nanowires is studied by simulated X-ray diffraction. It is shown that this helicity is revealed by the anisotropy, which can be both an elastic anisotropy, through the warping displacement generated by torsion, or a shape anisotropy of the cross section. To support the analytical calculations, based on the kinematic theory of diffraction by helices, atomistic simulations of copper nanowires are performed.
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Dates and versions

hal-01925048 , version 1 (16-11-2018)

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Marc Gailhanou, Jean-Marc Roussel. Diffraction from twisted nanowires: helicity revealed by anisotropy. Journal of Applied Crystallography, 2018, 51 (6), ⟨10.1107/s1600576718013493⟩. ⟨hal-01925048⟩
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