Calculations are reported showing that for the field-assisted GaAs NEA photocathode, the spin polarization of emitted electrons can be 3.6 times higher than for non-field GaAs sources. The reason for this is that the electron diffusion time in field-assisted GaAs cathodes is shorter than that in conventional GaAs NEA cathodes
Calculated spin polarization of field-assisted GaAs electron source
GUIDI, Vincenzo;
1993
Abstract
Calculations are reported showing that for the field-assisted GaAs NEA photocathode, the spin polarization of emitted electrons can be 3.6 times higher than for non-field GaAs sources. The reason for this is that the electron diffusion time in field-assisted GaAs cathodes is shorter than that in conventional GaAs NEA cathodesFile in questo prodotto:
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