Ryu Y.K., Carrascoso F., López-Nebreda R., Agraït N., Frisenda R., Castellanos-Gomez A. and 'This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (755655, ERC-StG 2017 project 2D-TOPSENSE) and the European Union’s Horizon 2020 research and innovation program under the Graphene Flagship (785219, GrapheneCore2 project',' 881603, GrapheneCore3 project). R.F. acknowledges the support from the Spanish Ministry of Economy, Industry, and Competitiveness through a Juan de la Cierva-formación fellowship 2017 FJCI-2017-32919. N.A. and R.L.N. acknowledge the funding by Spanish MINECO (MAT2017-88693-R) and Comunidad de Madrid (P2018/NMT-4321). We acknowledge support of the publication fee by the CSIC Open Access Publication Support Initiative through its Unit of Information Resources for Research (URICI).'