PHOTODETACHMENT OF SF6-

被引:30
作者
DATSKOS, PG [1 ]
CARTER, JG [1 ]
CHRISTOPHOROU, LG [1 ]
机构
[1] UNIV TENNESSEE,DEPT PHYS,KNOXVILLE,TN 37996
关键词
D O I
10.1016/0009-2614(95)00417-3
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
The photodetachment cross section for SF6- and the photodetachment threshold for this process have been accurately measured using a newly developed technique. The photodetachment cross section has a threshold at 3.16 eV which is about three times larger than the electron affinity of the SF, molecule. The magnitude of the photodetachment cross section increases monotonically from the threshold to 1.0 X 10(-18)cm(2) at a photon energy of 3.46 eV. The small size of the measured cross section is attributed to the large relaxation in the equilibrium internuclear positions of SF6- compared to SF6; the analysis of the data indicates that the photoejected electron has an angular momentum quantum number l = 1.
引用
收藏
页码:38 / 43
页数:6
相关论文
共 26 条
[1]   PULSED HIGH-RATE PLASMA-ETCHING WITH VARIABLE SI/SIO2 SELECTIVITY AND VARIABLE SI ETCH PROFILES [J].
BOSWELL, RW ;
HENRY, D .
APPLIED PHYSICS LETTERS, 1985, 47 (10) :1095-1097
[2]  
BRANDT WW, 1986, J APPL PHYS, V60, P1505
[3]   DETERMINATION OF THE ELECTRON-AFFINITIES OF MOLECULES USING NEGATIVE-ION MASS-SPECTROMETRY [J].
CHEN, ECM ;
WILEY, JR ;
BATTEN, CF ;
WENTWORTH, WE .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (01) :88-94
[4]  
CHRISTODOULIDES AA, 1984, ELECTRON MOL INTERAC, V2, pCH6
[5]   PHOTODETACHMENT IN THE GASEOUS, LIQUID, AND SOLID STATES OF MATTER [J].
CHRISTOPHOROU, LG ;
DATSKOS, PG ;
FAIDAS, H .
JOURNAL OF CHEMICAL PHYSICS, 1994, 101 (08) :6728-6742
[6]  
CHRISTOPHOROU LG, 1984, GASEOUS DIELECTRICS, V4
[7]  
CHRISTOPHOROU LG, 1984, ELECTRON MOL INTERAC, V2, pCH5
[8]  
CHRISTOPHOROU LG, 1987, GASEOUS DIELECTRICS, V5
[9]  
CHRISTOPHOROU LG, 1984, ELECTRON MOL INTERAC, V1, pCH6
[10]  
CHRISTOPHOROU LG, 1991, GASEOUS DIELECTRICS, V6