Figures Text.zip file contains original SEM images and graphical images included in the main text of the manuscript. The original SEM images contain original scales and beam conditions at which SEM images were taken. SEM images in the manuscript may have been taken as a whole or a part of the original images wherever apply. Likewise the scale in the manuscript images have been re‐drawn in order to enhance the clarity of the images, but depict true scale as they were in original. Supporting Information.zip contains original SEM images and graphical images included in the supporting information. The original SEM images contain original scales and beam conditions at which SEM images were taken. SEM images in the manuscript may have been taken as a whole or a part of the original images wherever apply. Likewise the scale in the manuscript images have been re‐drawn in order to enhance the clarity of the images, but depict true scale as they were in original. Raw data.xlsx contains data files for the graphs discussed in the main text of the manuscript and the supporting information.

ERC [ERC–2014–STG–639526]