Abstract

The calculation of the characteristic Auger-electron spectrum, emitted under solid surface bombardment by accelerated diatomic molecular ion beams, has been performed. Non-additivity of such spectra, realized in both the shift and broadening of the characteristic peak, observed under monoatomic ion bombardment has been exhibited. The shift and broadening values have been shown to be defined by three parameters: the molecular beam velocity, the corresponding vacancy lifetime and the screening parameter. The possibility of the relative contribution estimation of symmetrical and asymmetrical collisions into the given peak formation has been discussed. In addition the connection between the proton charge state inside the metal and the characteristics of Auger-electron spectra, observed under molecular beam bombardment, have been considered.

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