INTERPRETING THE NEAR EDGES OF O2 AND O2- IN ALKALI-METAL SUPEROXIDES

被引:79
作者
RUCKMAN, MW [1 ]
CHEN, J [1 ]
QIU, SL [1 ]
KUIPER, P [1 ]
STRONGIN, M [1 ]
DUNLAP, BI [1 ]
机构
[1] USN,RES LAB,THEORET CHEM SECT,WASHINGTON,DC 20375
关键词
D O I
10.1103/PhysRevLett.67.2533
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Depositing alkali metal into a molecular oxygen layer dispersed on a Kr film produces alkali-metal superoxides containing the O2- species for photoemission and near-edge study. The oxygen K-edge spectrum of LiO2, KO2, and CsO2 is in good agreement with theoretical calculations for the free O2- ion. The O K edge for the superoxide strongly resembles that observed for O2 which is nondissociatively adsorbed on a metal surface.
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页码:2533 / 2536
页数:4
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