Energy distribution study of field-emitted electrons from (100) and (111) nickel planes

Field, Thermionic, and Secondary Electron Emission Spectroscopy

“…We note, in particular, that the s-p bands (which contribute approximately equally to the spin-up and spin-down current) lie well below EF and therefore their contribution to the tunneling current, which tends to reduce the spin polarization of this current, is relatively small. This is in contrast to the situation of the (100) (100) and Ni(lll) have been reported by Rihon (1978b).…”

Field emission spectroscopy from (111) flat and stepped planes of iridium

“…Field electron images are observed on a fluorescent screen whose distance to tip is 5 cm. Energy distribution measurements are performed with a differential electrostatic spectrometer (Kuyatt-Plummer type [ll]) described elsewhere [12]. The performances of the analyzer have been previously checked with tungsten emitters (typical energy resolution = 20 meV).…”