Kinetic electron emission from Cu induced by impact of slow Cs+ ions
2013
Abstract We have studied kinetic energy distributions of electrons emitted from the surfaces of polycrystalline Cu bombarded by slow Cs + ions below the classical threshold. The electron yields at Cs + impact energies between 50 eV and 500 eV are presented as a function of the inverse Cs + impact-velocities 1/v. We have analyzed the data in terms of a phenomenological model for a sub-threshold ion-induced kinetic electron emission.
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