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Title: Large-angle illumination STEM: Toward three-dimensional atom-by-atom imaging

Journal Article · · Ultramicroscopy
 [1];  [2];  [3];  [4]
  1. Univ. of Tokyo (Japan). Inst. of Engineering Innovation
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  3. Kyoto Univ. (Japan). Dept. of Materials Science and Engineering
  4. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering

To completely understand and control materials and their properties, it is of critical importance to determine their atomic structures in all three dimensions. Recent revolutionary advances in electron optics – the inventions of geometric and chromatic aberration correctors as well as electron source monochromators – have provided fertile ground for performing optical depth sectioning at atomic-scale dimensions. In this study we theoretically demonstrate the imaging of top/sub-surface atomic structures and identify the depth of single dopants, single vacancies and the other point defects within materials by large-angle illumination scanning transmission electron microscopy (LAI-STEM). The proposed method also allows us to measure specimen properties such as thickness or three-dimensional surface morphology using observations from a single crystallographic orientation.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725; AC02- 05CH11231
OSTI ID:
1234990
Alternate ID(s):
OSTI ID: 1247886
Journal Information:
Ultramicroscopy, Vol. 151; ISSN 0304-3991
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (9)

Simultaneous atomic-resolution electron ptychography and Z-contrast imaging of light and heavy elements in complex nanostructures journal August 2016
Localization of Yttrium Segregation within YSZ Grain Boundary Dislocation Cores journal August 2018
Theory-assisted determination of nano-rippling and impurities in atomic resolution images of angle-mismatched bilayer graphene journal September 2018
Microstructural Origins of High Piezoelectric Performance: A Pathway to Practical Lead‐Free Materials journal June 2019
Single atom visibility in STEM optical depth sectioning journal October 2016
Material structure, properties, and dynamics through scanning transmission electron microscopy journal April 2018
Single-atom dynamics in scanning transmission electron microscopy journal September 2017
Materials Structure, Properties and Dynamics through Scanning Transmission Electron Microscopy text January 2019
Advances and Applications of Atomic-Resolution Scanning Transmission Electron Microscopy journal August 2021

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