STUDY OF CARBON MONOXIDE ON Cs-PRECOVERED-Ru(101-0) SURFACE
Author(s) -
Haiyang Li,
Shining Bao,
ZHANG XUN-SHENG,
Fan Zhao-Yang,
XU YA-BO
Publication year - 1997
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.46.544
Subject(s) - carbon monoxide , adsorption , ruthenium , analytical chemistry (journal) , materials science , carbon fibers , chemistry , atomic physics , physics , catalysis , environmental chemistry , biochemistry , composite number , composite material
CO+Cs/Ru(101-0) system has been investigated using HREELS. Two molecular adsorption states of CO were found. One with higher C—O frequency was similar to that on clean Ru(101-0) surface, while the other with lower C—O frequency appears on a Cs-precovered Ru(101-0) surface. Two states of CO were occupied sequentially during the exposure to CO. The frequencies of both two loss peaks shift to higher values with exposure to CO and to lower values with higher Cs precoverage.
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