Micro-beam Laue alignment of multi-reflection Bragg coherent diffraction imaging measurements
- Univ. of Oxford (United Kingdom). Department of Engineering Science
- La Trobe University (Australia). Department of Chemistry and Physics; CSIRO Manufacturing Flagship, Parkville (Australia)
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford PULSE Institute
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- La Trobe University (Australia). Department of Chemistry and Physics
Multi-reflection Bragg coherent diffraction imaging has the potential to allow three-dimensional (3D) resolved measurements of the full lattice strain tensor in specific micro-crystals. Until now such measurements were hampered by the need for laborious, time-intensive alignment procedures. Here a different approach is demonstrated, using micro-beam Laue X-ray diffraction to first determine the lattice orientation of the micro-crystal. This information is then used to rapidly align coherent diffraction measurements of three or more reflections from the crystal. Based on these, 3D strain and stress fields in the crystal are successfully determined. This approach is demonstrated on a focused ion beam milled micro-crystal from which six reflections could be measured. Since information from more than three independent reflections is available, the reliability of the phases retrieved from the coherent diffraction data can be assessed. Our results show that rapid, reliable 3D coherent diffraction measurements of the full lattice strain tensor in specific micro-crystals are now feasible and can be successfully carried out even in heavily distorted samples.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Engineering and Physical Sciences Research Council (EPSRC); European Research Council (ERC); Argonne National Laboratory, Advanced Photon Source
- Grant/Contract Number:
- SC0012704; AC02-06CH11357
- OSTI ID:
- 1376135
- Alternate ID(s):
- OSTI ID: 1474149
- Report Number(s):
- BNL-114072-2017-JA; R&D Project: PO011; KC0201060
- Journal Information:
- Journal of Synchrotron Radiation (Online), Vol. 24, Issue 5; ISSN 1600-5775
- Publisher:
- International Union of CrystallographyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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