Challenges associated with in-situ TEM in environmental systems: The case of silver in aqueous solutions
This work characterizes the effects of an electron beam on inducing microstructural evolution in Ag during environmental transmission electron microscopy. Two different processes, dissolution of Ag and deposition of Ag under the beam, were observed under different experimental conditions. The former...
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| Veröffentlicht in: | Ultramicroscopy 2012-05, Vol.116, p.34-38 |
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| creator | Noh, Kyong Wook Liu, Yin Sun, Li Dillon, Shen J. |
| description | This work characterizes the effects of an electron beam on inducing microstructural evolution in Ag during environmental transmission electron microscopy. Two different processes, dissolution of Ag and deposition of Ag under the beam, were observed under different experimental conditions. The former primarily results from ionization induced by the primary beam and the latter primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. The relative rates vary with the activity of silver in solution and beam current density. A simple model based on chemical kinetics describes the general response of the system as a function of beam current density and solution composition.
► Effects of the electron beam on silver in an aqueous environment of varying silver activity were investigated. ► Dissolution of Ag primarily results from ionization induced by the primary beam. ► Deposition of Ag primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. ► Relative rates vary with the activity of silver in solution. |
| doi_str_mv | 10.1016/j.ultramic.2012.03.012 |
| format | Article |
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► Effects of the electron beam on silver in an aqueous environment of varying silver activity were investigated. ► Dissolution of Ag primarily results from ionization induced by the primary beam. ► Deposition of Ag primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. ► Relative rates vary with the activity of silver in solution.</description><identifier>ISSN: 0304-3991</identifier><identifier>EISSN: 1879-2723</identifier><identifier>DOI: 10.1016/j.ultramic.2012.03.012</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Beam currents ; Beams (radiation) ; Density ; Deposition ; Electron beam effects ; Electron beams ; Evolution ; In-situ ; Ion beams ; Mathematical models ; Silver ; TEM ; Transmission electron microscopy</subject><ispartof>Ultramicroscopy, 2012-05, Vol.116, p.34-38</ispartof><rights>2012 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-fb8fef80f719beb6eb762aea23f58538b3cf5b2b27b5e5e8b78e7a4b7531b2b23</citedby><cites>FETCH-LOGICAL-c378t-fb8fef80f719beb6eb762aea23f58538b3cf5b2b27b5e5e8b78e7a4b7531b2b23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ultramic.2012.03.012$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Noh, Kyong Wook</creatorcontrib><creatorcontrib>Liu, Yin</creatorcontrib><creatorcontrib>Sun, Li</creatorcontrib><creatorcontrib>Dillon, Shen J.</creatorcontrib><title>Challenges associated with in-situ TEM in environmental systems: The case of silver in aqueous solutions</title><title>Ultramicroscopy</title><description>This work characterizes the effects of an electron beam on inducing microstructural evolution in Ag during environmental transmission electron microscopy. Two different processes, dissolution of Ag and deposition of Ag under the beam, were observed under different experimental conditions. The former primarily results from ionization induced by the primary beam and the latter primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. The relative rates vary with the activity of silver in solution and beam current density. A simple model based on chemical kinetics describes the general response of the system as a function of beam current density and solution composition.
► Effects of the electron beam on silver in an aqueous environment of varying silver activity were investigated. ► Dissolution of Ag primarily results from ionization induced by the primary beam. ► Deposition of Ag primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. ► Relative rates vary with the activity of silver in solution.</description><subject>Beam currents</subject><subject>Beams (radiation)</subject><subject>Density</subject><subject>Deposition</subject><subject>Electron beam effects</subject><subject>Electron beams</subject><subject>Evolution</subject><subject>In-situ</subject><subject>Ion beams</subject><subject>Mathematical models</subject><subject>Silver</subject><subject>TEM</subject><subject>Transmission electron microscopy</subject><issn>0304-3991</issn><issn>1879-2723</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkU9v1DAQxS0EEkvpV6h85JLUf5LYywm0KrRSEZflbNneMeuVExePs6jfnkQLZ3p6o9HvPc3oEXLDWcsZH25P7ZxqsWP0rWBctEy2i7wiG67VthFKyNdkwyTrGrnd8rfkHeKJMcZZpzfkuDvalGD6CUgtYvbRVjjQ37EeaZwajHWm-7tvy0xhOseSpxGmahPFZ6ww4ke6PwL1FoHmQDGmM5QVtr9myDNSzGmuMU_4nrwJNiFc_9Ur8uPL3X533zx-__qw-_zYeKl0bYLTAYJmQfGtAzeAU4OwYIUMve6ldtKH3gknlOuhB-2UBmU7p3rJ17W8Ih8uuU8lLzdgNWNEDynZaT3I8CWP9V0nX4AKwbXmg2QLOlxQXzJigWCeShxteTacmbUFczL_WjBrC4ZJs8hi_HQxwvLzOUIx6CNMHg6xgK_mkOP_Iv4AFcOV5Q</recordid><startdate>201205</startdate><enddate>201205</enddate><creator>Noh, Kyong Wook</creator><creator>Liu, Yin</creator><creator>Sun, Li</creator><creator>Dillon, Shen J.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201205</creationdate><title>Challenges associated with in-situ TEM in environmental systems: The case of silver in aqueous solutions</title><author>Noh, Kyong Wook ; Liu, Yin ; Sun, Li ; Dillon, Shen J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-fb8fef80f719beb6eb762aea23f58538b3cf5b2b27b5e5e8b78e7a4b7531b2b23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Beam currents</topic><topic>Beams (radiation)</topic><topic>Density</topic><topic>Deposition</topic><topic>Electron beam effects</topic><topic>Electron beams</topic><topic>Evolution</topic><topic>In-situ</topic><topic>Ion beams</topic><topic>Mathematical models</topic><topic>Silver</topic><topic>TEM</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Noh, Kyong Wook</creatorcontrib><creatorcontrib>Liu, Yin</creatorcontrib><creatorcontrib>Sun, Li</creatorcontrib><creatorcontrib>Dillon, Shen J.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Ultramicroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Noh, Kyong Wook</au><au>Liu, Yin</au><au>Sun, Li</au><au>Dillon, Shen J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Challenges associated with in-situ TEM in environmental systems: The case of silver in aqueous solutions</atitle><jtitle>Ultramicroscopy</jtitle><date>2012-05</date><risdate>2012</risdate><volume>116</volume><spage>34</spage><epage>38</epage><pages>34-38</pages><issn>0304-3991</issn><eissn>1879-2723</eissn><abstract>This work characterizes the effects of an electron beam on inducing microstructural evolution in Ag during environmental transmission electron microscopy. Two different processes, dissolution of Ag and deposition of Ag under the beam, were observed under different experimental conditions. The former primarily results from ionization induced by the primary beam and the latter primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. The relative rates vary with the activity of silver in solution and beam current density. A simple model based on chemical kinetics describes the general response of the system as a function of beam current density and solution composition.
► Effects of the electron beam on silver in an aqueous environment of varying silver activity were investigated. ► Dissolution of Ag primarily results from ionization induced by the primary beam. ► Deposition of Ag primarily results from reduction of Ag+ ions in solution by secondary electrons generated in the substrate. ► Relative rates vary with the activity of silver in solution.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.ultramic.2012.03.012</doi><tpages>5</tpages></addata></record> |
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| ispartof | Ultramicroscopy, 2012-05, Vol.116, p.34-38 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Beam currents Beams (radiation) Density Deposition Electron beam effects Electron beams Evolution In-situ Ion beams Mathematical models Silver TEM Transmission electron microscopy |
| title | Challenges associated with in-situ TEM in environmental systems: The case of silver in aqueous solutions |
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