期刊
PLATINUM METALS REVIEW
卷 54, 期 2, 页码 81-87出版社
JOHNSON MATTHEY PUBL LTD CO
DOI: 10.1595/147106710X494358
关键词
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Low-energy ion scattering (LEIS) can be used to selectively analyse the atomic composition of the outer atomic layer of a catalyst, i.e., precisely the atoms that largely determine its activity and selectivity. It is shown how a new development in LEIS significantly improves its mass resolution. Using this advanced separation and quantification of signals from platinum and gold, the atomic composition of the outer surface of a realistic supported platinum-gold bimetallic system can be determined for the first time.
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