1 Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Erlangen, Germany.
2 Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Institute of Micro- and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM), Erlangen, Germany.
3 German Research Center for Geosciences (GFZ), Potsdam, Germany.
4 Freie Universität Berlin, Department of Earth Sciences, Berlin, Germany.
5 Fraunhofer Institute for Integrated Systems and Device Technology IISB, Erlangen, Germany.