In situ transmission electron microscopy observation of silver oxidation in ionized/atomic gas

© 2011 American Chemical Society

Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 27(2011), 23 vom: 06. Dez., Seite 14201-6
1. Verfasser: Sun, Li (VerfasserIn)
Weitere Verfasser: Noh, Kyong Wook, Wen, Jian-Guo, Dillon, Shen J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Silver 3M4G523W1G Oxygen S88TT14065
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520 |a The interaction between silver and ionized and atomic gas was observed directly by in situ transmission electron microscopy with an environmental cell for the first time. The electron beam provides dual functions as the source of both gas ionization and imaging. The concentration of ionized gas was tuned via adjusting the current density of the electron beam. Oxidation of the silver is observed in situ, indicating the presence of ionized and/or atomic oxygen. The evolution of microstructure and phase constituents was characterized. Then the oxidation rate was measured, and the relationships among grain size, mass transport rate, and electron flux were characterized. The role of the electron beam is discussed, and the results are rationalized with respect to ex situ results from the literature 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Noh, Kyong Wook  |e verfasserin  |4 aut 
700 1 |a Wen, Jian-Guo  |e verfasserin  |4 aut 
700 1 |a Dillon, Shen J  |e verfasserin  |4 aut 
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