STM images (files Fig 3 and Fig 4) contain a header and the numeric value of the matrix representing the image
 and are produced by the Createc software of the STM.

All spectra files are the original nexus data files from the electron energy analyser
Figure 5: XPS/high_coverage_C1s/ & XPS/high_coverage_O1s/ & XPS/low_coverage_C1s/ & XPS/low_coverage_O1s/
Figure 6: NEXAFS/upstanding_90_001/ & NEXAFS/upstanding_30_001/ & NEXAFS/upstanding_90_110/ 
 & NEXAFS/upstanding_30_110/ & NEXAFS/flat_90_001/ & NEXAFS/flat_90_110/ & NEXAFS/flat_30_001/ & NEXAFS/flat_40_110/ 
 & NEXAFS/crystal_spectra/
Figure 7: PhD/upstanding/
Figure 8: PhD/upstanding/
Figure 9: PhD/upstanding/ & PhD/flat_3x2_110_20deg/ & PhD/flat_3x2_001_20deg
Figure 11: PhD/flat_3x2_110_20deg/ & PhD/flat_3x2_001_20deg & PhD/flat_3x2_110_40deg/ & PhD/flat_3x2_001_40deg