ELECTRON-EMISSION DUE TO IMPACT OF SLOW, LARGE, MULTIPLY CHARGED CLUSTERS

被引：10
|
作者：
MAHONEY, JF [1 ]
PARILIS, ES [1 ]
PEREL, J [1 ]
RUATTA, SA [1 ]
机构：
[1] PHRASOR SCI INC,1536 HIGHLAND AVE,DUARTE,CA 91010
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1993年 / 73卷 / 01期
关键词：
D O I：
10.1016/0168-583X(93)96049-I
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The preliminary results of a theoretical estimation and experimental investigation of secondary electron emission resulting from large multiply charged cluster bombardment are reported. A beam of highly charged (+10(2) charges) water-glycerol macroclusters as large as 10(6)-10(7) amu, formed using a novel electrohydrodynamic spraying source, was used to measure the potential electron emission under cluster bombardment of a surface. The large secondary electron emission (10)2 electrons/cluster) and its dependence on cluster charge are explained within the theoretical framework of step-by-step Auger neutralization near the surface, accounting for the nonlinear effect of cluster charge. The cluster source itself is unique for producing low velocity beams, as slow as 1 x 10(5) cm/s, consisting of highly charged particles applicable to a wide range of uses.
引用
收藏
页码：29 / 34
页数：6
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