In-line three-dimensional holography of nanocrystalline objects at atomic resolution

Nature Communications
F-R ChenC Kisielowski

Abstract

Resolution and sensitivity of the latest generation aberration-corrected transmission electron microscopes allow the vast majority of single atoms to be imaged with sub-Ångstrom resolution and their locations determined in an image plane with a precision that exceeds the 1.9-pm wavelength of 300 kV electrons. Such unprecedented performance allows expansion of electron microscopic investigations with atomic resolution into the third dimension. Here we report a general tomographic method to recover the three-dimensional shape of a crystalline particle from high-resolution images of a single projection without the need for sample rotation. The method is compatible with low dose rate electron microscopy, which improves on signal quality, while minimizing electron beam-induced structure modifications even for small particles or surfaces. We apply it to germanium, gold and magnesium oxide particles, and achieve a depth resolution of 1-2 Å, which is smaller than inter-atomic distances.

References

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Citations

Dec 8, 2016·Ultramicroscopy·Juri BarthelAndreas Thust
Jun 14, 2016·Scientific Reports·Chun-Ying TsaiFu-Rong Chen
Feb 29, 2020·Advanced Materials·Qiaoli ChenYihan Zhu
Jul 16, 2020·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Xun ZhangYi Yu
Dec 15, 2016·Nano Letters·Yi YuPeidong Yang
Aug 20, 2021·Nature Communications·Fu-Rong ChenStig Helveg

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Methods Mentioned

BETA
electron scattering
electron microscopy

Software Mentioned

Argand

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