期刊
SURFACE SCIENCE
卷 655, 期 -, 页码 25-30出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2016.08.007
关键词
-
资金
- Center for Atomic Level Catalyst Design, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001058]
- Office of Research and Economic Development at LSU
An unusual Fe-H bonding rather than conventional OH bonding is identified at Fe3O4 (001) surface. This abnormal behavior is associated with the oxygen vacancies which exist on the surface region but also penetrate deep into the bulk Fe3O4. In contrast, OH bonding becomes preferential as generally expected on an ozone processed surface, which has appreciably less oxygen vacancies. Such bonding site selective behavior, depending on oxygen vacancy concentrations, is further confirmed with DFT calculations. The results demonstrate an opportunity for tuning the chemical properties of oxide surfaces or oxide clusters.
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