Subproject B04

Revealing Atomic Structure and Potential Landscape and Electronic Properties of 2D Materials with Electron Holography and Electron Spectroscopies

The project will develop atomic resolution off-axis electron holography (EH) into a characterization tool for synthetic 2DMs. This will 1) enhance the spatial and signal resolution currently achievable with conventional high-resolution transmission electron microscopy (HRTEM) at 2DMs, 2) provide access to electrostatic potential and charge distribution features at the atomic scale, and 3) reveal high-resolution information about the configuration of defect and edge states, chemical composition and morphology in synthetic 2DMs. In combination electron diffraction (ED) and electron-energy-loss spectroscopy (EELS) as well as in-situ application of temperature and electron irradiation, the scope of electron microscopy and spectroscopy will thereby increase significantly for 2DMs.

Principal investigator

Prof. Dr. Axel Lubk

Participating scientists

M. Sc. Subakti Subakti

Former academic staff

M. Sc. Jonas Krehl

M. Sc. Felix Kern

Cand. B. Sc. Jonas Günzl