Adsorption and reactivity of nitric oxide on Co(0001)
LEED, Auger spectroscopy and thermal desorption have been used to study NO chemisorption and the NO/CO reaction on Co(0001). NO is adsorbed dissociatively at room temperature, with unit sticking probability and a (√39 R16.1° × √39 R′16.1°) structure is formed. At high coverages the adsorption become...
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| Veröffentlicht in: | Surface science 1980-04, Vol.94 (2), p.469-482 |
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| container_title | Surface science |
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| creator | Bridge, M.E. Lambert, R.M. |
| description | LEED, Auger spectroscopy and thermal desorption have been used to study NO chemisorption and the NO/CO reaction on Co(0001). NO is adsorbed dissociatively at room temperature, with unit sticking probability and a (√39 R16.1° × √39 R′16.1°) structure is formed. At high coverages the adsorption becomes molecular. Desorption of N
2 follows apparent 1st order kinetics from an N + O layer, and fractional order kinetics from a pure N layer; a lateral interaction model with N-N near neighbour attractions, small N-O near neighbour attraction and O-O near neighbour repulsions explains both the apparent desorption kinetics and the change from dissociative to molecular adsorption. The zero coverage desorption energies of N
2 and NO are measured as ∼220 and ∼94 kJ mol
−1 respectively. The reaction between NO and CO closely resembled that between O
2 and CO on this surface and it is concluded that both follow a Langmuir-Hinshelwood mechanism. |
| doi_str_mv | 10.1016/0039-6028(80)90020-5 |
| format | Article |
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2 follows apparent 1st order kinetics from an N + O layer, and fractional order kinetics from a pure N layer; a lateral interaction model with N-N near neighbour attractions, small N-O near neighbour attraction and O-O near neighbour repulsions explains both the apparent desorption kinetics and the change from dissociative to molecular adsorption. The zero coverage desorption energies of N
2 and NO are measured as ∼220 and ∼94 kJ mol
−1 respectively. The reaction between NO and CO closely resembled that between O
2 and CO on this surface and it is concluded that both follow a Langmuir-Hinshelwood mechanism.</description><identifier>ISSN: 0039-6028</identifier><identifier>EISSN: 1879-2758</identifier><identifier>DOI: 10.1016/0039-6028(80)90020-5</identifier><language>eng</language><publisher>Elsevier B.V</publisher><ispartof>Surface science, 1980-04, Vol.94 (2), p.469-482</ispartof><rights>1980</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c401t-31259138616a2e767806ba5248bc1f850bbd15b2326bd477a845c0f6ccea816e3</citedby><cites>FETCH-LOGICAL-c401t-31259138616a2e767806ba5248bc1f850bbd15b2326bd477a845c0f6ccea816e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0039602880900205$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>Bridge, M.E.</creatorcontrib><creatorcontrib>Lambert, R.M.</creatorcontrib><title>Adsorption and reactivity of nitric oxide on Co(0001)</title><title>Surface science</title><description>LEED, Auger spectroscopy and thermal desorption have been used to study NO chemisorption and the NO/CO reaction on Co(0001). NO is adsorbed dissociatively at room temperature, with unit sticking probability and a (√39 R16.1° × √39 R′16.1°) structure is formed. At high coverages the adsorption becomes molecular. Desorption of N
2 follows apparent 1st order kinetics from an N + O layer, and fractional order kinetics from a pure N layer; a lateral interaction model with N-N near neighbour attractions, small N-O near neighbour attraction and O-O near neighbour repulsions explains both the apparent desorption kinetics and the change from dissociative to molecular adsorption. The zero coverage desorption energies of N
2 and NO are measured as ∼220 and ∼94 kJ mol
−1 respectively. The reaction between NO and CO closely resembled that between O
2 and CO on this surface and it is concluded that both follow a Langmuir-Hinshelwood mechanism.</description><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEURYMoWKv_wMWspF2MviSTTGYjlOIXFNzoOmSSNxBpJzVJi_33zlhx6dvczbkX3iHkmsItBSrvAHhTSmBqpmDeADAoxQmZUFU3JauFOiWTP-ScXKT0AcNVjZgQsXApxG32oS9M74qIxma_9_lQhK7ofY7eFuHLOywGYhlmQ5HOL8lZZ9YJr35zSt4fH96Wz-Xq9elluViVtgKaS06ZaChXkkrDsJa1AtkawSrVWtopAW3rqGgZZ7J1VV0bVQkLnbQWjaIS-ZTcHHe3MXzuMGW98cniem16DLukGa-BgxADWB1BG0NKETu9jX5j4kFT0KMjPQrQowCtQP840mPt_ljD4Ym9x6iT9dhbdD6izdoF___AN3s-aqw</recordid><startdate>19800401</startdate><enddate>19800401</enddate><creator>Bridge, M.E.</creator><creator>Lambert, R.M.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19800401</creationdate><title>Adsorption and reactivity of nitric oxide on Co(0001)</title><author>Bridge, M.E. ; Lambert, R.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c401t-31259138616a2e767806ba5248bc1f850bbd15b2326bd477a845c0f6ccea816e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bridge, M.E.</creatorcontrib><creatorcontrib>Lambert, R.M.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bridge, M.E.</au><au>Lambert, R.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption and reactivity of nitric oxide on Co(0001)</atitle><jtitle>Surface science</jtitle><date>1980-04-01</date><risdate>1980</risdate><volume>94</volume><issue>2</issue><spage>469</spage><epage>482</epage><pages>469-482</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><abstract>LEED, Auger spectroscopy and thermal desorption have been used to study NO chemisorption and the NO/CO reaction on Co(0001). NO is adsorbed dissociatively at room temperature, with unit sticking probability and a (√39 R16.1° × √39 R′16.1°) structure is formed. At high coverages the adsorption becomes molecular. Desorption of N
2 follows apparent 1st order kinetics from an N + O layer, and fractional order kinetics from a pure N layer; a lateral interaction model with N-N near neighbour attractions, small N-O near neighbour attraction and O-O near neighbour repulsions explains both the apparent desorption kinetics and the change from dissociative to molecular adsorption. The zero coverage desorption energies of N
2 and NO are measured as ∼220 and ∼94 kJ mol
−1 respectively. The reaction between NO and CO closely resembled that between O
2 and CO on this surface and it is concluded that both follow a Langmuir-Hinshelwood mechanism.</abstract><pub>Elsevier B.V</pub><doi>10.1016/0039-6028(80)90020-5</doi><tpages>14</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| title | Adsorption and reactivity of nitric oxide on Co(0001) |
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