Achim Trampert¹ and Roman Engel-Herbert¹

• ¹Paul-Drude-Institut für Festkörperelektronik, Leibniz-Institut im Forschungsverbund Berlin e. V., Hausvogteiplatz 5–7, 10117 Berlin, Germany
• ²Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ³2-Dimensional Crystal Consortium, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ⁴Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ⁵Center for 2-Dimensional and Layered Materials, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
• ⁶Department of Physics and Engineering Physics, Juniata College, Huntingdon, Pennsylvania 16652, USA
• ⁷Center for Atomically Thin Multifunctional Coatings, The Pennsylvania State University, University Park, Pennsylvania 16802, USA

• ^*These authors contributed equally to the work.
• ^†Contact author: pham@pdi-berlin.de