Reactive scattering of O- in organic films at subionization collision energies

被引：36

作者：

Bass, AD ^{[1
]}

Parenteau, L ^{[1
]}

Huels, MA ^{[1
]}

Sanche, L ^{[1
]}

机构：

[1] Univ Sherbrooke, Fac Med, Dept Med Nucl & Radiobiol, Grp Conseil Rech Medicales Sci Radiat, Sherbrooke, PQ J1H 5N4, Canada

来源：

JOURNAL OF CHEMICAL PHYSICS | 1998年 / 109卷 / 19期

关键词：

D O I：

10.1063/1.477530

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Anion desorption stimulated by the impact of 0-20 eV electrons on O-2/hydrocarbon mixed films is reported. It is shown that part of the H-, OH-, CH-, and CH- desorption yields from O-2/hydrocarbon films is the result of reactive scattering of O- fragments produced via dissociative electron attachment (DEA) in the alkane and alkene thin films. These results support the interpretation that the DEA O- react with the hydrocarbon molecules to form a transient molecular anion complex which, in addition to autodetachment, may decay by dissociation into various anion and neutral fragments, and thus cause chemical modification of the solid. (C) 1998 American Institute of Physics. [S0021-9606(98)70443-X].

引用

页码：8635 / 8640

页数：6

共 31 条

[1]

AKBULUT M, 1995, J CHEM PHYS, V103, P2203

[2] MECHANISM FOR RESONANT O- ELECTRON-STIMULATED DESORPTION FROM CONDENSED O2 - NONADIABATIC TRANSITIONS AND DYNAMICS [J].