Adsorption of Fe(CO) 5 and Fe(C 5 H 5 ) 2 on Si(111)7×7 Study by Scanning Tunneling Microscopy
The adsorption at room temperature of ferrocene and iron pentacarbonyl on Si(111)7×7 have been studied. On Si(111)7×7,the adsorption sites have been identified by means of scanning tunneling microscopy.We propose a ferrocene adsorption model on Si(111)7×7, i.e., a di-sigma bridging by the molecule b...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2013-12, Vol.47 (1), p.12063 |
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| creator | Chemam, A Rachedi, M Ali |
| description | The adsorption at room temperature of ferrocene and iron pentacarbonyl on Si(111)7×7 have been studied. On Si(111)7×7,the adsorption sites have been identified by means of scanning tunneling microscopy.We propose a ferrocene adsorption model on Si(111)7×7, i.e., a di-sigma bridging by the molecule between an adatom and a restatom site similar to that proposed for the ethylene. For the iron pentacarbonyl, we have found evidence of a dissociative adsorption on nucleophilic sites. At a higher temperature, an exposure to iron pentacarbonyl lead to the growth of good quality iron silicide. Whereas, silicide carbide is formed on exposure to ferrocene. The films obtained can be explained by means of the chemisorption process at room temperature. |
| doi_str_mv | 10.1088/1757-899X/47/1/012063 |
| format | Article |
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On Si(111)7×7,the adsorption sites have been identified by means of scanning tunneling microscopy.We propose a ferrocene adsorption model on Si(111)7×7, i.e., a di-sigma bridging by the molecule between an adatom and a restatom site similar to that proposed for the ethylene. For the iron pentacarbonyl, we have found evidence of a dissociative adsorption on nucleophilic sites. At a higher temperature, an exposure to iron pentacarbonyl lead to the growth of good quality iron silicide. Whereas, silicide carbide is formed on exposure to ferrocene. The films obtained can be explained by means of the chemisorption process at room temperature.</description><identifier>ISSN: 1757-8981</identifier><identifier>EISSN: 1757-899X</identifier><identifier>DOI: 10.1088/1757-899X/47/1/012063</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Adatoms ; Adsorption ; Chemisorption ; Intermetallic compounds ; Iron silicide ; Microscopy ; Room temperature ; Scanning tunneling microscopy ; Silicon</subject><ispartof>IOP conference series. Materials Science and Engineering, 2013-12, Vol.47 (1), p.12063</ispartof><rights>2013. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Materials Science and Engineering</title><description>The adsorption at room temperature of ferrocene and iron pentacarbonyl on Si(111)7×7 have been studied. On Si(111)7×7,the adsorption sites have been identified by means of scanning tunneling microscopy.We propose a ferrocene adsorption model on Si(111)7×7, i.e., a di-sigma bridging by the molecule between an adatom and a restatom site similar to that proposed for the ethylene. For the iron pentacarbonyl, we have found evidence of a dissociative adsorption on nucleophilic sites. At a higher temperature, an exposure to iron pentacarbonyl lead to the growth of good quality iron silicide. Whereas, silicide carbide is formed on exposure to ferrocene. The films obtained can be explained by means of the chemisorption process at room temperature.</description><subject>Adatoms</subject><subject>Adsorption</subject><subject>Chemisorption</subject><subject>Intermetallic compounds</subject><subject>Iron silicide</subject><subject>Microscopy</subject><subject>Room temperature</subject><subject>Scanning tunneling microscopy</subject><subject>Silicon</subject><issn>1757-8981</issn><issn>1757-899X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNo9kEFOwzAQRS0EEqVwBCRLbNpFiMeOY3tZVZQiFXXRLthZSRyjVMUOTrLISTgQF2tCURej_2f0NTN6CD0CeQYiZQyCi0gq9REnIoaYACUpu0KTy_z64iXcorumORCSiiQhE6QXpvGhbivvsLd4Vc6W2znmOHPmrxnseqg5pnhI7KoZAMzF74_Au7YzPc57vCsy5yr3ifedc-VxdO9VEXxT-Lq_Rzc2Ozblw79O0X71sl-uo8329W252EQFqLSNhOEgociJ4UoyBcSyslAZFamkFqixyprE5BZUIm2eJ1lOmRiUcSbSHNgUPZ3X1sF_d2XT6oPvghsuaspTpigHxoYUP6fG75pQWl2H6isLvQaiR5R6xKRHZDoRGvQZJTsBmYxjEA</recordid><startdate>20131213</startdate><enddate>20131213</enddate><creator>Chemam, A</creator><creator>Rachedi, M Ali</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20131213</creationdate><title>Adsorption of Fe(CO) 5 and Fe(C 5 H 5 ) 2 on Si(111)7×7 Study by Scanning Tunneling Microscopy</title><author>Chemam, A ; Rachedi, M Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c196t-7d5181cb0d5983910f3ec9a27682f12df9fd4dbf1948fbb4ab237bb435376b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adatoms</topic><topic>Adsorption</topic><topic>Chemisorption</topic><topic>Intermetallic compounds</topic><topic>Iron silicide</topic><topic>Microscopy</topic><topic>Room temperature</topic><topic>Scanning tunneling microscopy</topic><topic>Silicon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chemam, A</creatorcontrib><creatorcontrib>Rachedi, M Ali</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>IOP conference series. 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On Si(111)7×7,the adsorption sites have been identified by means of scanning tunneling microscopy.We propose a ferrocene adsorption model on Si(111)7×7, i.e., a di-sigma bridging by the molecule between an adatom and a restatom site similar to that proposed for the ethylene. For the iron pentacarbonyl, we have found evidence of a dissociative adsorption on nucleophilic sites. At a higher temperature, an exposure to iron pentacarbonyl lead to the growth of good quality iron silicide. Whereas, silicide carbide is formed on exposure to ferrocene. The films obtained can be explained by means of the chemisorption process at room temperature.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1757-899X/47/1/012063</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Adatoms Adsorption Chemisorption Intermetallic compounds Iron silicide Microscopy Room temperature Scanning tunneling microscopy Silicon |
| title | Adsorption of Fe(CO) 5 and Fe(C 5 H 5 ) 2 on Si(111)7×7 Study by Scanning Tunneling Microscopy |
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