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cond-mat.mtrl-sci2020
Imaging Polarity in Two Dimensional Materials by Breaking Friedel's Law
Pratiti Deb, Michael C. Cao, Yimo Han +5
Friedel's law guarantees an inversion-symmetric diffraction pattern for thin, light materials where a kinematic approximation or a single-scattering model holds. Typically, breakin…
cond-mat.mtrl-sci2018
Deep sub-Ångstrom imaging of 2D materials with a high dynamic range detector
Yi Jiang, Zhen Chen, Yimo Han +9
Aberration-corrected optics have made electron microscopy at atomic-resolution a widespread and often essential tool for nanocharacterization. Image resolution is dominated by beam…