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In Situ Coherent X-ray Diffraction during Three-Point Bending of a Au Nanowire: Visualization and Quantification

1
CNRS, Aix Marseille University, University de Toulon, IM2NP Marseille, France
2
Helmholtz-Zentrum Geesthacht, Notkestr. 85, 22607 Hamburg, Germany
3
ID01/ESRF, 71 Avenue des Martyrs, CS40220, CEDEX 9, F-38043 Grenoble, France
4
CNRS, SIMAP, Grenoble INP, University Grenoble Alpes, 38000 Grenoble, France
5
Max Planck Institute for Intelligent Systems, Heisenbergstrasse 3, 70569 Stuttgart, Germany
*
Author to whom correspondence should be addressed.
Quantum Beam Sci. 2018, 2(4), 24; https://doi.org/10.3390/qubs2040024
Received: 18 September 2018 / Revised: 29 October 2018 / Accepted: 29 October 2018 / Published: 13 November 2018
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Abstract

The three-point bending behavior of a single Au nanowire deformed by an atomic force microscope was monitored by coherent X-ray diffraction using a sub-micrometer sized hard X-ray beam. Three-dimensional reciprocal-space maps were recorded before and after deformation by standard rocking curves and were measured by scanning the energy of the incident X-ray beam during deformation at different loading stages. The mechanical behavior of the nanowire was visualized in reciprocal space and a complex deformation mechanism is described. In addition to the expected bending of the nanowire, torsion was detected. Bending and torsion angles were quantified from the high-resolution diffraction data. View Full-Text
Keywords: synchrotron X-ray diffraction; nanostructures; nanomechanics synchrotron X-ray diffraction; nanostructures; nanomechanics
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Davydok, A.; Cornelius, T.W.; Ren, Z.; Leclere, C.; Chahine, G.; Schülli, T.; Lauraux, F.; Richter, G.; Thomas, O. In Situ Coherent X-ray Diffraction during Three-Point Bending of a Au Nanowire: Visualization and Quantification. Quantum Beam Sci. 2018, 2, 24.

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