Molecular stopping powers and effect of chemical bonding in gaseous amine compounds

Molecular stopping powers of methylamine, ethylamine, dimethylamine, and trimethylamine have been measured for 0.3–2.0 MeV He+ ions. A single-bonded atomic stopping power εSB(N) for nitrogen is calculated and found to be 6%–20% lower than its triple-bonded counterpart (1/2)εexpt(N2). This disagreeme...

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Veröffentlicht in:J. Appl. Phys.; (United States) 1984-03, Vol.55 (5), p.1274-1277
Hauptverfasser: POWERS, D, OLSON, H. G, GOWDA, R
Format: Artikel
Sprache:eng
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Zusammenfassung:Molecular stopping powers of methylamine, ethylamine, dimethylamine, and trimethylamine have been measured for 0.3–2.0 MeV He+ ions. A single-bonded atomic stopping power εSB(N) for nitrogen is calculated and found to be 6%–20% lower than its triple-bonded counterpart (1/2)εexpt(N2). This disagreement is quite similar to a 6%–17% difference in single- and double-bonded carbon and oxygen atomic stopping powers previously calculated. A lower stopping power peak energy is also observed for the atom in a molecular configuration of higher bond order. These trends demonstrate clearly the effect of chemical bonding upon stopping powers.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.333215