Deformation twinning of a silver nanocrystal under high pressure. Supplementary materials
- Brookhaven National Lab. (BNL), Upton, NY (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States); Center for High Pressure Science and Technology Advanced Research, Shanghai (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. College London, Bloomsbury (United Kingdom); Research Complex at Harwell, Didcot (United Kingdom)
- Center for High Pressure Science and Technology Advanced Research, Shanghai (China)
Within a high-pressure environment, crystal deformation is controlled by complex processes such as dislocation motion, twinning, and phase transitions, which change materials’ microscopic morphology and alter their properties. Understanding a crystal’s response to external stress provides a unique opportunity for rational tailoring of its functionalities. It is very challenging to track the strain evolution and physical deformation from a single nanoscale crystal under high-pressure stress. Here, we report an in situ three-dimensional mapping of morphology and strain evolutions in a single-crystal silver nanocube within a high-pressure environment using the Bragg Coherent Diffractive Imaging (CDI) method. We observed a continuous lattice distortion, followed by a deformation twining process at a constant pressure. As a result, the ability to visualize stress-introduced deformation of nanocrystals with high spatial resolution and prominent strain sensitivity provides an important route for interpreting and engineering novel properties of nanomaterials.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC00112704
- OSTI ID:
- 1237176
- Alternate ID(s):
- OSTI ID: 1237177; OSTI ID: 1340331
- Report Number(s):
- BNL-108436-2015-JA; BNL-108437-2015-JA; BNL-111705-2016-JA; R&D Project: LS001
- Journal Information:
- Nano Letters, Vol. 15, Issue 11; ISSN 1530-6984
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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