Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample
Abstract
Lattice defects play a key role in determining the properties of crystalline materials. Probing the three-dimensional (3D) lattice strains that govern their interactions remains a challenge. Bragg coherent diffraction imaging (BCDI) allows strain to be measured with nanoscale 3D resolution. However, it is currently limited to materials that form microcrystals. In this work, we introduce a technique that allows the manufacture of BCDI samples from bulk materials. Using tungsten as an example, we show that focused ion-beam machining can be used to extract, from macroscopic crystals, micron-sized BCDI samples containing specific preselected defects. To interpret the experimental data, we develop a displacement-gradient-based analysis for multireflection BCDI. This provides accurate recovery of the full lattice strain tensor from samples containing multiple dislocations. These capabilities open the door to BCDI as a microscopy tool for studying complex real-world materials.
- Authors:
-
- Univ. of Oxford (United Kingdom). Dept. of Engineering Science
- Univ. of Oxford (United Kingdom). Dept. of Materials
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- European Research Council (ERC); European Union - Horizon 2020 Research and Innovation Programme; Engineering and Physical Sciences Research Council (EPSRC); Leverhulme Trust; USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1616753
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Materials
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2475-9953
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; 43 PARTICLE ACCELERATORS
Citation Formats
Hofmann, Felix, Phillips, Nicholas W., Das, Suchandrima, Karamched, Phani, Hughes, Gareth M., Douglas, James O., Cha, Wonsuk, and Liu, Wenjun. Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample. United States: N. p., 2020.
Web. doi:10.1103/PhysRevMaterials.4.013801.
Hofmann, Felix, Phillips, Nicholas W., Das, Suchandrima, Karamched, Phani, Hughes, Gareth M., Douglas, James O., Cha, Wonsuk, & Liu, Wenjun. Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample. United States. https://doi.org/10.1103/PhysRevMaterials.4.013801
Hofmann, Felix, Phillips, Nicholas W., Das, Suchandrima, Karamched, Phani, Hughes, Gareth M., Douglas, James O., Cha, Wonsuk, and Liu, Wenjun. Tue .
"Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample". United States. https://doi.org/10.1103/PhysRevMaterials.4.013801. https://www.osti.gov/servlets/purl/1616753.
@article{osti_1616753,
title = {Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample},
author = {Hofmann, Felix and Phillips, Nicholas W. and Das, Suchandrima and Karamched, Phani and Hughes, Gareth M. and Douglas, James O. and Cha, Wonsuk and Liu, Wenjun},
abstractNote = {Lattice defects play a key role in determining the properties of crystalline materials. Probing the three-dimensional (3D) lattice strains that govern their interactions remains a challenge. Bragg coherent diffraction imaging (BCDI) allows strain to be measured with nanoscale 3D resolution. However, it is currently limited to materials that form microcrystals. In this work, we introduce a technique that allows the manufacture of BCDI samples from bulk materials. Using tungsten as an example, we show that focused ion-beam machining can be used to extract, from macroscopic crystals, micron-sized BCDI samples containing specific preselected defects. To interpret the experimental data, we develop a displacement-gradient-based analysis for multireflection BCDI. This provides accurate recovery of the full lattice strain tensor from samples containing multiple dislocations. These capabilities open the door to BCDI as a microscopy tool for studying complex real-world materials.},
doi = {10.1103/PhysRevMaterials.4.013801},
journal = {Physical Review Materials},
number = 1,
volume = 4,
place = {United States},
year = {Tue Jan 14 00:00:00 EST 2020},
month = {Tue Jan 14 00:00:00 EST 2020}
}
Web of Science
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- Sills, Ryan B.; Bertin, Nicolas; Aghaei, Amin
- arXiv
Anisotropic nano-scale resolution in 3D Bragg coherent diffraction imaging
text, January 2018
- Cherukara, Mathew J.; Cha, Wonsuk; Harder, Ross J.
- arXiv