CHEMISORPTION OF OXYGEN BY ALUMINIUM

被引:45
作者
ROBERTS, MW
WELLS, BR
机构
[1] School of Chemistry, The University of Bradford, Bradford 7, Yorkshire England
关键词
D O I
10.1016/0039-6028(69)90155-1
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 variation in the work function of aluminium films during oxygen interaction has enabled information to be obtained relating to the stability of chemisorbed oxygen and its subsequent incorporation into the sub-surface region. At both -195 °C and -183 °C chemisorbed oxygen is incorporated; the activation energy of the thermally induced process occurring from the completed oxygen monolayer is ≤3 kcal mole-1. At 23 °C two distinct kinds of behaviour were observed with oxygen; either very little change in work function or a substantial increase (0.6 eV). The present data are discussed with particular relation to the recent results and conclusions of Huber and Kirk. © 1969.
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页码:325 / &
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