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The surface structure of a-Fe2O3 (001) by scanning tunneling microscopy: Implications for interfacial electron transfer reactions
surface structure scanning tunneling microscopy interfacial electron transfer reactions
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2012/3/31
STM images of hematite (?-Fe O ) (001) surfaces taken under a wider variety of conditions than in
previous studies are presented. The results strongly suggest that only Fe sites contribute to the tun...
Electron Transfer Processes Between Hydroquinone and Iron Oxides
Electron spin resonance Electron transfer Ferrihydrite Goethite Hematite Hydroquinone Iron
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2012/1/9
The kinetics of hydroquinone oxidation by aqueous suspensions of pure hematite and goethite-ferrihydrite mixtures at pH 6.0, 7.4, and 9 was studied using an on-line analysis system. The electron trans...
Electron Transfer Processes Between Hydroquinone and Hausmannite (Mn3O4)
Electron spin resonance Electron transfer Hausmannite Hydroquinone Manganese Oxidation
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2012/1/9
A kinetic study of the oxidation of hydroquinone by aqueous suspensions of hausmannite at pH 6 was conducted using an on-line analysis system. Electron transfer between hydroquinone and the oxide was ...
Intervalence Electron Transfer and Magnetic Exchange in Reduced Nontronite
Intervalence electron transfer Iron Magnetic susceptibility Nontronite Reduction UV-visible spectroscopy
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2012/1/11
The effects of chemical reduction of structural Fe3+ in nontronite SWa-1 (ferruginous smectite) on intervalence electron transfer (IT) and magnetic exchange were investigated. Visible absorption spect...