Zm. Stepien, FIELD-EMISSION MICROSCOPE INVESTIGATION OF OXIDE FORMATION ON MO FIELD EMITTERS, Czechoslovak journal of Physics, 43(9-10), 1993, pp. 1029-1033
The initial stages of oxide formation on Mo field emitter tips have be
en examined with the field emission microscopy and field electron spec
troscopy. The oxide formed in situ on Mo tips by thermal treatment in
pure oxygen atmosphere was found to be non-uniform with little evidenc
e for coherent structure. The electron spectroscopy results are discus
sed in terms of the hypothesis that the emission process is a hot-elec
tron emission.