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arXiv · 1705.04903

Towards a holographic approach to spherical aberration correction in scanning transmission electron microscopy

Vincenzo Grillo·Amir H. Tavabi·Emrah Yucelen·Peng-Han Lu·Federico Venturi·Hugo Larocque·Lei Jin·Aleksei Savenko·Gian Carlo Gazzadi·Roberto Balboni·Stefano Frabboni·Peter Tiemeijer·Rafal E. Dunin-Borkowski·Ebrahim Karimi
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Abstract

Recent progress in phase modulation using nanofabricated electron holograms has demonstrated how the phase of an electron beam can be controlled. In this paper, we apply this concept to the correction of spherical aberration in a scanning transmission electron microscope and demonstrate an improvement in spatial resolution. Such a holographic approach to spherical aberration correction is advantageous for its simplicity and cost-effectiveness.

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Vincenzo Grillo, Amir H. Tavabi, Emrah Yucelen, Peng-Han Lu, Federico Venturi, Hugo Larocque, Lei Jin, Aleksei Savenko, Gian Carlo Gazzadi, Roberto Balboni, Stefano Frabboni, Peter Tiemeijer, Rafal E. Dunin-Borkowski, Ebrahim Karimi. 2017-05-14. Towards a holographic approach to spherical aberration correction in scanning transmission electron microscopy. https://doi.org/10.1364/oe.25.021851

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