Beilstein J. Nanotechnol.2017,8, 514–521, doi:10.3762/bjnano.8.55
were deposited by rheotaxialgrowthandvacuumoxidation (RGVO) and analyzed for the susceptibility to ambient-air exposure and the subsequent recovery under vacuum conditions. Particularly the surface chemistry of the layers, stoichiometry and level of carbon contamination, was scrutinized by X-ray
the distance between the valence band edge and the Fermi level energy. This was attributed to oxygen diffusion through the porous SnO2 surface as measured by atomic force microscopy.
Keywords: Fermi level position; RGVO nanolayers; rheotaxialgrowthandvacuumoxidation (RGVO); surface chemistry; tin
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Figure 1:
XPS survey spectra with the main core-level lines of RGVO SnO2 nanolayers (pristine (“in situ”), af...