Excitation of electrons from an Al surface by grazing-angle-incident fast heavy ions

A. Koyama, Y. Sasa, H. Ishikawa, A. Misu, K. Ishii, T. Iitaka, Y. H. Ohtsuki, M. Uda

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Measurements were made, at various emission angles, of energy spectra of electrons from Al induced by grazing-angle-incident ions of N6+, Ar12+, and Xe27+ with equal velocities corresponding to 0.98 MeV/amu. A new line which could not be explained by any of the hitherto identified mechanisms was observed at an energy obviously larger than that of an electron with a velocity equal to the projectile. The projectile and emission angle dependencies of the line are consistent with the dynamic image potential acceleration mechanism.

Original languageEnglish
Pages (from-to)3156-3159
Number of pages4
JournalPhysical Review Letters
Volume65
Issue number25
DOIs
Publication statusPublished - 1990 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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