| Autor: |
H. Kumagai, Hiromi Shibata, T. Matsuo, T. Tonuma, Hiroyuki Tawara |
| Rok vydání: |
1992 |
| Předmět: |
|
| Zdroj: |
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 67:544-548 |
| ISSN: |
0168-583X |
| DOI: |
10.1016/0168-583x(92)95870-w |
| Popis: |
Secondary ions have been measured due to collisions of 1.25 MeV/amu Arq+ (q = 12 or 14) projectile ions with C2H2 molecular targets frozen on a thin foil which was cooled to liquid nitrogen temperature. In the present experiments, positively charged cluster ions such as [CHm(C2)n]+ and[C2Hm(C2)n]+ (m = 0, 1, 2 or 3) and negatively charged cluster ions [CHm(C2)n]− and [C2Hm(C2)n]− (m = 0 or 1) have been observed. The charge/mass spectrum of the atomic and molecular ions frozen C2H2 targets was also found to be quite different from that in gaseous C2H2 targets. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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