Effects of postdosed species on preadsorbed CO on Fe(100) : adsorption site conversion caused by site competition
Carbon monoxide (CO) adsorption on the clean Fe(100) surface and the c(2{times}2)CO-Fe(100) surface has been studied. The effects of postdosed oxygen(O{sub 2}) and methanethiol (CH{sub 3}SH) on preadsorbed CO were examined. These studies were performed under ultrahigh-vacuum(UHV) conditions, using h...
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| Veröffentlicht in: | Journal of physical chemistry (1952) 1990-07, Vol.94 (15), p.6028-6033 |
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| container_title | Journal of physical chemistry (1952) |
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| creator | JIONG-PING LU ALBERT, M. R BERNASEK, S. L |
| description | Carbon monoxide (CO) adsorption on the clean Fe(100) surface and the c(2{times}2)CO-Fe(100) surface has been studied. The effects of postdosed oxygen(O{sub 2}) and methanethiol (CH{sub 3}SH) on preadsorbed CO were examined. These studies were performed under ultrahigh-vacuum(UHV) conditions, using high-resolution electron energy loss spectroscopy (HREELS), temperature-programmed desorption spectroscopy (TPD), Auger electron spectroscopy (AES), and low-energy electron diffraction (LEED). For CO, four associative adsorption states and one dissociative adsorption state were identified. Postdosed species were found to cause 4-fold hollow site CO molecules to migrate into lower coordination sites. This type of adsorption site conversion is discussed in terms of adsorption site competition between preadsorbed species and postdosed species. |
| doi_str_mv | 10.1021/j100378a074 |
| format | Article |
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R ; BERNASEK, S. L</creator><creatorcontrib>JIONG-PING LU ; ALBERT, M. R ; BERNASEK, S. L</creatorcontrib><description>Carbon monoxide (CO) adsorption on the clean Fe(100) surface and the c(2{times}2)CO-Fe(100) surface has been studied. The effects of postdosed oxygen(O{sub 2}) and methanethiol (CH{sub 3}SH) on preadsorbed CO were examined. These studies were performed under ultrahigh-vacuum(UHV) conditions, using high-resolution electron energy loss spectroscopy (HREELS), temperature-programmed desorption spectroscopy (TPD), Auger electron spectroscopy (AES), and low-energy electron diffraction (LEED). For CO, four associative adsorption states and one dissociative adsorption state were identified. Postdosed species were found to cause 4-fold hollow site CO molecules to migrate into lower coordination sites. This type of adsorption site conversion is discussed in terms of adsorption site competition between preadsorbed species and postdosed species.</description><identifier>ISSN: 0022-3654</identifier><identifier>EISSN: 1541-5740</identifier><identifier>DOI: 10.1021/j100378a074</identifier><identifier>CODEN: JPCHAX</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>400201 - Chemical & Physicochemical Properties ; ADSORPTION ; Applied sciences ; CARBON COMPOUNDS ; CARBON MONOXIDE ; CARBON OXIDES ; CHALCOGENIDES ; Chemistry ; DATA ; DATA ANALYSIS ; ELEMENTS ; Exact sciences and technology ; EXPERIMENTAL DATA ; General and physical chemistry ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; IRON ; MEASURING INSTRUMENTS ; MEASURING METHODS ; METALS ; Metals. Metallurgy ; NUMERICAL DATA ; OXIDES ; OXYGEN COMPOUNDS ; Solid-gas interface ; SORPTION ; Surface physical chemistry ; SURFACE PROPERTIES ; TRANSITION ELEMENTS ; ULTRAHIGH VACUUM</subject><ispartof>Journal of physical chemistry (1952), 1990-07, Vol.94 (15), p.6028-6033</ispartof><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4723477$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/6331608$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>JIONG-PING LU</creatorcontrib><creatorcontrib>ALBERT, M. R</creatorcontrib><creatorcontrib>BERNASEK, S. L</creatorcontrib><title>Effects of postdosed species on preadsorbed CO on Fe(100) : adsorption site conversion caused by site competition</title><title>Journal of physical chemistry (1952)</title><description>Carbon monoxide (CO) adsorption on the clean Fe(100) surface and the c(2{times}2)CO-Fe(100) surface has been studied. The effects of postdosed oxygen(O{sub 2}) and methanethiol (CH{sub 3}SH) on preadsorbed CO were examined. These studies were performed under ultrahigh-vacuum(UHV) conditions, using high-resolution electron energy loss spectroscopy (HREELS), temperature-programmed desorption spectroscopy (TPD), Auger electron spectroscopy (AES), and low-energy electron diffraction (LEED). For CO, four associative adsorption states and one dissociative adsorption state were identified. Postdosed species were found to cause 4-fold hollow site CO molecules to migrate into lower coordination sites. This type of adsorption site conversion is discussed in terms of adsorption site competition between preadsorbed species and postdosed species.</description><subject>400201 - Chemical & Physicochemical Properties</subject><subject>ADSORPTION</subject><subject>Applied sciences</subject><subject>CARBON COMPOUNDS</subject><subject>CARBON MONOXIDE</subject><subject>CARBON OXIDES</subject><subject>CHALCOGENIDES</subject><subject>Chemistry</subject><subject>DATA</subject><subject>DATA ANALYSIS</subject><subject>ELEMENTS</subject><subject>Exact sciences and technology</subject><subject>EXPERIMENTAL DATA</subject><subject>General and physical chemistry</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>IRON</subject><subject>MEASURING INSTRUMENTS</subject><subject>MEASURING METHODS</subject><subject>METALS</subject><subject>Metals. Metallurgy</subject><subject>NUMERICAL DATA</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>Solid-gas interface</subject><subject>SORPTION</subject><subject>Surface physical chemistry</subject><subject>SURFACE PROPERTIES</subject><subject>TRANSITION ELEMENTS</subject><subject>ULTRAHIGH VACUUM</subject><issn>0022-3654</issn><issn>1541-5740</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNo1T8tOwzAQtBBIlMKJH7AQBzgE1vEr4YaiFpAq9QLnyLHX4KpNQhyQ-vc4FC672pnR7AwhlwzuGOTsfsMAuC4MaHFEZkwKlkkt4JjMAPI840qKU3IW4wYAGOdsRj4X3qMdI-087bs4ui6io7FHGzCBLe0HNC52Q5Pgaj0hS7xJb27pA_0l-jEkMIYRqe3abxzidFvzNRk1-39m1-MYJuk5OfFmG_Hib8_J23LxWj1nq_XTS_W4yt5zIcdMcy95CY00UGhE7zQ0zElToBUmt6VKUyjwCnUpDTYOhdeeK-NY6bnkfE6uDr6pVaijTTHsR0rYprq1SuUVFEl0fRD1Jlqz9YNpbYh1P4SdGfa10DkXWvMfTZBoag</recordid><startdate>19900726</startdate><enddate>19900726</enddate><creator>JIONG-PING LU</creator><creator>ALBERT, M. R</creator><creator>BERNASEK, S. L</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>OTOTI</scope></search><sort><creationdate>19900726</creationdate><title>Effects of postdosed species on preadsorbed CO on Fe(100) : adsorption site conversion caused by site competition</title><author>JIONG-PING LU ; ALBERT, M. R ; BERNASEK, S. L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g245t-73f5390b5a087eefd70b1d5a8ec4a2c964a2460f6e795aebde4f7f36ad19f3533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>400201 - Chemical & Physicochemical Properties</topic><topic>ADSORPTION</topic><topic>Applied sciences</topic><topic>CARBON COMPOUNDS</topic><topic>CARBON MONOXIDE</topic><topic>CARBON OXIDES</topic><topic>CHALCOGENIDES</topic><topic>Chemistry</topic><topic>DATA</topic><topic>DATA ANALYSIS</topic><topic>ELEMENTS</topic><topic>Exact sciences and technology</topic><topic>EXPERIMENTAL DATA</topic><topic>General and physical chemistry</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>IRON</topic><topic>MEASURING INSTRUMENTS</topic><topic>MEASURING METHODS</topic><topic>METALS</topic><topic>Metals. Metallurgy</topic><topic>NUMERICAL DATA</topic><topic>OXIDES</topic><topic>OXYGEN COMPOUNDS</topic><topic>Solid-gas interface</topic><topic>SORPTION</topic><topic>Surface physical chemistry</topic><topic>SURFACE PROPERTIES</topic><topic>TRANSITION ELEMENTS</topic><topic>ULTRAHIGH VACUUM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>JIONG-PING LU</creatorcontrib><creatorcontrib>ALBERT, M. R</creatorcontrib><creatorcontrib>BERNASEK, S. L</creatorcontrib><collection>Pascal-Francis</collection><collection>OSTI.GOV</collection><jtitle>Journal of physical chemistry (1952)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>JIONG-PING LU</au><au>ALBERT, M. R</au><au>BERNASEK, S. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of postdosed species on preadsorbed CO on Fe(100) : adsorption site conversion caused by site competition</atitle><jtitle>Journal of physical chemistry (1952)</jtitle><date>1990-07-26</date><risdate>1990</risdate><volume>94</volume><issue>15</issue><spage>6028</spage><epage>6033</epage><pages>6028-6033</pages><issn>0022-3654</issn><eissn>1541-5740</eissn><coden>JPCHAX</coden><abstract>Carbon monoxide (CO) adsorption on the clean Fe(100) surface and the c(2{times}2)CO-Fe(100) surface has been studied. The effects of postdosed oxygen(O{sub 2}) and methanethiol (CH{sub 3}SH) on preadsorbed CO were examined. These studies were performed under ultrahigh-vacuum(UHV) conditions, using high-resolution electron energy loss spectroscopy (HREELS), temperature-programmed desorption spectroscopy (TPD), Auger electron spectroscopy (AES), and low-energy electron diffraction (LEED). For CO, four associative adsorption states and one dissociative adsorption state were identified. Postdosed species were found to cause 4-fold hollow site CO molecules to migrate into lower coordination sites. This type of adsorption site conversion is discussed in terms of adsorption site competition between preadsorbed species and postdosed species.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/j100378a074</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0022-3654 |
| ispartof | Journal of physical chemistry (1952), 1990-07, Vol.94 (15), p.6028-6033 |
| issn | 0022-3654 1541-5740 |
| language | eng |
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| source | ACS Publications |
| subjects | 400201 - Chemical & Physicochemical Properties ADSORPTION Applied sciences CARBON COMPOUNDS CARBON MONOXIDE CARBON OXIDES CHALCOGENIDES Chemistry DATA DATA ANALYSIS ELEMENTS Exact sciences and technology EXPERIMENTAL DATA General and physical chemistry INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IRON MEASURING INSTRUMENTS MEASURING METHODS METALS Metals. Metallurgy NUMERICAL DATA OXIDES OXYGEN COMPOUNDS Solid-gas interface SORPTION Surface physical chemistry SURFACE PROPERTIES TRANSITION ELEMENTS ULTRAHIGH VACUUM |
| title | Effects of postdosed species on preadsorbed CO on Fe(100) : adsorption site conversion caused by site competition |
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