PHOTON-STIMULATED DESORPTION OF H- FROM A BAO SURFACE

被引:1
作者
BAKER, DH [1 ]
CHAMPION, RL [1 ]
DOVERSPIKE, LD [1 ]
WANG, YC [1 ]
机构
[1] UNIV NOTRE DAME,RADIAT LAB,NOTRE DAME,IN 46556
关键词
D O I
10.1063/1.111786
中图分类号
O59 [应用物理学];
学科分类号
摘要
Photon-stimulated desorption of H- ions has been observed from a BaO surface for photon energies in the range of 3-5 eV, with a yield that increases sharply for energies above the threshold at 3 eV. A possible explanation is that a chemisorbed H atom captures a photoemitted electron and desorbs as H- via the Menzel-Gomer-Redhead mechanism.
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页码:1880 / 1882
页数:3
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