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Atomically resolved structural determination of graphene and its point defects via extrapolation assisted phase retrieval
Tatiana Latychevskaia, Hans-Werner Fink
Previously reported crystalline structures obtained by an iterative phase retrieval reconstruction of their diffraction patterns seem to be free from displaying any irregularities…
Low-energy electron holographic imaging of gold nanorods supported by ultraclean graphene
Jean-Nicolas Longchamp, Conrad Escher, Tatiana Latychevskaia +1
An ideal support for electron microscopy shall be as thin as possible and interact as little as possible with the primary electrons. Since graphene is atomically thin and made up o…
Graphene Unit Cell Imaging by Holographic Coherent Diffraction
Jean-Nicolas Longchamp, Tatiana Latychevskaia, Conrad Escher +1
We have imaged a freestanding graphene sheet of 210 nm in diameter with 2 Angstrom resolution by combining coherent diffraction and holography with low-energy electrons. The entire…
Ultra-Clean Freestanding Graphene by Platinum-Metal Catalysis
Jean-Nicolas Longchamp, Conrad Escher, Hans-Werner Fink
While freestanding clean graphene is essential for various applications, existing technologies for removing the polymer layer after transfer of graphene to the desired substrate st…