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Fig. 2 | Advanced Structural and Chemical Imaging

Fig. 2

From: Prospects for atomic resolution in-line holography for a 3D determination of atomic structures from single projections

Fig. 2

A structural model of a graphene single/double layer. a The left figure is a plan view and the right figure shows a cross section of the structural model. b Phase of the simulated exit wave function. There are four geometrically different atom configurations: C-atoms in the top layer (blue dots), C-atoms in the upper layer that are not superimposed on those in the bottom layer (green dots), C-atoms in the bottom layer that are not superimposed on the top layer (yellow dots) and two superimposed C-atoms (brightest peaks, red dots) c The 3D propagation intensity. d An intensity slice across a xz plane including the four geometrical configurations. e The intensity profile along z-direction for four different types of atom for two different g max  = 4Å−1 (dot line) and 1Å−1 (solid line), respectively. The hidden atom can be clearly revealed in the intensity profile with g max  = 4Å−1. It smears out in the intensity profile with g max  = 1Å−1. f Mass circle of the four different atom configurations

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