Preprint Article Version 1 This version is not peer-reviewed

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

Version 1 : Received: 18 September 2018 / Approved: 18 September 2018 / Online: 18 September 2018 (16:50:04 CEST)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Quantum Beam Sci. 2018, 2, 24
DOI: 10.3390/qubs2040024

Abstract

The three-point bending behavior of a single Au nanowire deformed with an atomic force microscope was monitored by coherent X-ray diffraction using a sub-micrometer sized hard X-ray beam. While three-dimensional reciprocal-space maps were recorded before and after deformation by standard rocking curves, they were measured by scanning the energy of the incident X-ray beam during deformation at different loading stages. The mechanical behavior of the nanowire is visualized in reciprocal space and a complex deformation mechanism is described. In addition to the expected bending of the nanowire, torsion is detected. Bending and torsion angles are quantified from the high resolution diffraction data.

Subject Areas

synchrotron X-ray diffraction; nano-structures; nano mechanics

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