Retention of the potential energy of multiply charged argon ions incident on copper |
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Authors: | Kentsch U Tyrroff H Zschornack G Möller W |
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Institution: | Technical University of Dresden, Institute of Nuclear and Particle Physics, Mommsenstrasse 13, D-01069 Dresden, Germany. |
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Abstract: | The retained fraction of the potential energy of argon ions incident on copper has been measured using stationary calorimetry at charge states up to 9+ and kinetic energies ranging from 75 to 240 eV per ionic charge. An average fraction of 30% to 40% is found with little dependence on the charge number and on the kinetic energy. The retention of the total energy ranges from 60% to 75% and can mainly be accounted for by the retained fraction of the potential energy and the collisional energy lost by reflected ions and sputtered target atoms. |
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