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Article Dans Une Revue Journal of Applied Crystallography Année : 2018

In situ Bragg coherent X-ray diffraction during tensile testing of an individual Au nanowire

Résumé

We report on systematic single defect free <110> Au nanowires grown by physical vapor deposition in situ tensile tests while simultaneously recording 3D Bragg peaks using coherent X-rays. The trajectory of 3D Bragg peaks in reciprocal space during tensile testing allowed for measurements of the evolution of strains and rotations of the nanowire, thus sensitively uncovering the full deformation geometry of the nanowire. The transition from elastic to plastic deformation is accompanied by rotations of the nanowire as quantified by analysis of the motion of Bragg peaks, showing the importance of boundary conditions in interpreting nanoscale mechanical deformations.
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Dates et versions

hal-01821024 , version 1 (22-06-2018)

Identifiants

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J. Shin, T. Cornelius, S. Labat, F. Lauraux, M.-I. Richard, et al.. In situ Bragg coherent X-ray diffraction during tensile testing of an individual Au nanowire. Journal of Applied Crystallography, 2018, 51 (3), pp.781-788. ⟨10.1107/S1600576718004910⟩. ⟨hal-01821024⟩
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