An article made 100 % in ICMAB (Jike Lyu, Ignasi Fina, Raul Solanas, Josep Fontcuberta and Florencio Sánchez) and published in ACS Appl. Electron. Mater. is highlighted in the "Focus on Europe: Advancing Research in Materials Applications" selection of articles published by European researchers in 2019, in the area of Applied Materials and Interfaces. Congratulations!