Simulations of X-ray diffraction of shock-compressed single-crystal tantalum with synchrotron undulator sources

Polychromatic synchrotron undulator X-ray sources are useful for ultrafast single-crystal diffraction under shock compression. Here, simulations of X-ray diffraction of shock-compressed single-crystal tantalum with realistic undulator sources are reported, based on large-scale molecular dynamics sim...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 25(2018), Pt 3 vom: 01. Mai, Seite 748-756
1. Verfasser: Tang, M X (VerfasserIn)
Weitere Verfasser: Zhang, Y Y, E, J C, Luo, S N
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article X-ray diffraction simulation lattice strain molecular dynamics single-crystal tantalum synchrotron undulator sources
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520 |a Polychromatic synchrotron undulator X-ray sources are useful for ultrafast single-crystal diffraction under shock compression. Here, simulations of X-ray diffraction of shock-compressed single-crystal tantalum with realistic undulator sources are reported, based on large-scale molecular dynamics simulations. Purely elastic deformation, elastic-plastic two-wave structure, and severe plastic deformation under different impact velocities are explored, as well as an edge release case. Transmission-mode diffraction simulations consider crystallographic orientation, loading direction, incident beam direction, X-ray spectrum bandwidth and realistic detector size. Diffraction patterns and reciprocal space nodes are obtained from atomic configurations for different loading (elastic and plastic) and detection conditions, and interpretation of the diffraction patterns is discussed 
650 4 |a Journal Article 
650 4 |a X-ray diffraction simulation 
650 4 |a lattice strain 
650 4 |a molecular dynamics 
650 4 |a single-crystal tantalum 
650 4 |a synchrotron undulator sources 
700 1 |a Zhang, Y Y  |e verfasserin  |4 aut 
700 1 |a E, J C  |e verfasserin  |4 aut 
700 1 |a Luo, S N  |e verfasserin  |4 aut 
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