The energy spread of some negative ions from a sputter sourceReportar como inadecuado




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Abstract : Energy distribution measurements on 20 keV beams of 12C -, 32S-, 127I-, H- and 160-have shown no obvious differences between H- and 16O- on the one hand, which are believed to be produced in an adsorbed layer on the target, and 12C -, 32S- and 127I- on the other which are part of the target material. All spectra have a single peak and a FWHM of the order of 10-12 eV. The significance of the energy distribution in the calculation of beam brightness is also discussed.

Keywords : ion sources energy spread negative ions sputter source 20 keV beams sup 12 C sup sup 32 S sup sup 127 I sup H sup sup 16 O sup beam brightness





Autor: G. Doucas

Fuente: https://hal.archives-ouvertes.fr/



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