ABSOLUTE ELECTRON-IMPACT CROSS-SECTION FOR STABLE ANION FORMATION FROM CF3CL ISOLATED IN SOLID KR

Authors
NAGESHA K SANCHE L
Citation
K. Nagesha et L. Sanche, ABSOLUTE ELECTRON-IMPACT CROSS-SECTION FOR STABLE ANION FORMATION FROM CF3CL ISOLATED IN SOLID KR, Physical review letters, 78(25), 1997, pp. 4725-4728
Citations number
30
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
78
Issue
25
Year of publication
1997
Pages
4725 - 4728
Database
ISI
SICI code
0031-9007(1997)78:25<4725:AECFSA>2.0.ZU;2-I
Abstract
We report the first measurements on the electron energy dependence of the total cross section for stable anion formation within a solid latt ice. Resonant attachment of electrons to CF3Cl isolated within a multi layer Kr film produces CF3Cl- and Cl- with a maximum cross section of 1.1 x 10(-16) cm(2) at similar to 0.7 eV, which is greater than that f or the same process at the Kr surface and in the gas by a factor of 25 and 64, respectively. These enhancements are primarily due to the eff ects of induced polarization on the transient CF3Cl- ion.