Characterization of pore surface modification by carbon coating using positron annihilation spectroscopy (VE-PALS)

e+ e+ e+ e+ e+ 0 2 4 6 8 10 12 14 0 45 157 328 552 827 1150 1521 0 20 40 60 80 100 Energy / keV Intensity C-Layer / % 280 nm C-Layer Vehanen Fit Mean implantation depth carbon / nm