Interpretation of STM images: the MoS2 surface
Identifieur interne : 000F11 ( Istex/Corpus ); précédent : 000F10; suivant : 000F12Interpretation of STM images: the MoS2 surface
Auteurs : A. Altibelli ; C. Joachim ; P. SautetSource :
- Surface Science [ 0039-6028 ] ; 1996.
Abstract
From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS2 surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (< 4 A ̊), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.
Url:
DOI: 10.1016/S0039-6028(96)00864-3
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Marvig, P.B. 4347, 31055 Toulouse Cedex, France</mods:affiliation></affiliation></author><author><name sortKey="Joachim, C" sort="Joachim, C" uniqKey="Joachim C" first="C." last="Joachim">C. Joachim</name><affiliation><mods:affiliation>Corresponding author. Fax: +33 62 257999</mods:affiliation></affiliation><affiliation><mods:affiliation>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: joachim@cemes.fr</mods:affiliation></affiliation></author><author><name sortKey="Sautet, P" sort="Sautet, P" uniqKey="Sautet P" first="P." last="Sautet">P. Sautet</name><affiliation><mods:affiliation>IRC/CNRS, 2, Avenue A. Einstein, 69626 Villeurbanne Cedex, France</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Surface Science</title><title level="j" type="abbrev">SUSC</title><idno type="ISSN">0039-6028</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996">1996</date><biblScope unit="volume">367</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="209">209</biblScope><biblScope unit="page" to="220">220</biblScope></imprint><idno type="ISSN">0039-6028</idno></series><idno type="istex">A9AA610168B99687509D514EBB6B2E05874458F8</idno><idno type="DOI">10.1016/S0039-6028(96)00864-3</idno><idno type="PII">S0039-6028(96)00864-3</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0039-6028</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS2 surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (< 4 A ̊), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>A. Altibelli</name><affiliations><json:string>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</json:string></affiliations></json:item><json:item><name>C. Joachim</name><affiliations><json:string>Corresponding author. Fax: +33 62 257999</json:string><json:string>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</json:string><json:string>E-mail: joachim@cemes.fr</json:string></affiliations></json:item><json:item><name>P. Sautet</name><affiliations><json:string>IRC/CNRS, 2, Avenue A. Einstein, 69626 Villeurbanne Cedex, France</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Semiconducting surfaces</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Semi-empirical models and model calculations</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Single crystal surfaces</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Tunnelling</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS2 surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (> 4 A ̊), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.</abstract><qualityIndicators><score>6.05</score><pdfVersion>1.2</pdfVersion><pdfPageSize>540 x 756 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>4</keywordCount><abstractCharCount>720</abstractCharCount><pdfWordCount>4634</pdfWordCount><pdfCharCount>22578</pdfCharCount><pdfPageCount>12</pdfPageCount><abstractWordCount>118</abstractWordCount></qualityIndicators><title>Interpretation of STM images: the MoS2 surface</title><pii><json:string>S0039-6028(96)00864-3</json:string></pii><refBibs><json:item><host><volume>9</volume><pages><first>1083</first></pages><author></author><title>J. Vac. Sci. Technol. 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Status Solidi B</title></host></json:item><json:item><host><volume>16</volume><pages><first>5474</first></pages><author></author><title>Phys. Rev. B</title></host></json:item><json:item><host><volume>282</volume><pages><first>400</first></pages><author></author><title>Surf. Sci.</title></host></json:item><json:item><host><volume>214</volume><pages><first>569</first></pages><author></author><title>Chem. Phys. Lett.</title></host></json:item><json:item><host><author></author><title>Signals and Linear Systems</title></host></json:item></refBibs><genre><json:string>research-article</json:string></genre><host><volume>367</volume><pii><json:string>S0039-6028(00)X0010-6</json:string></pii><pages><last>220</last><first>209</first></pages><issn><json:string>0039-6028</json:string></issn><issue>2</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><title>Surface Science</title><publicationDate>1996</publicationDate></host><categories><wos><json:string>science</json:string><json:string>physics, condensed matter</json:string><json:string>chemistry, physical</json:string></wos><scienceMetrix><json:string>natural sciences</json:string><json:string>physics & astronomy</json:string><json:string>chemical physics</json:string></scienceMetrix></categories><publicationDate>1996</publicationDate><copyrightDate>1996</copyrightDate><doi><json:string>10.1016/S0039-6028(96)00864-3</json:string></doi><id>A9AA610168B99687509D514EBB6B2E05874458F8</id><score>0.11807631</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/A9AA610168B99687509D514EBB6B2E05874458F8/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/A9AA610168B99687509D514EBB6B2E05874458F8/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/A9AA610168B99687509D514EBB6B2E05874458F8/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Interpretation of STM images: the MoS2 surface</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1996</date></publicationStmt><notesStmt><note type="content">Section title: Surface science</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Interpretation of STM images: the MoS2 surface</title><author xml:id="author-1"><persName><forename type="first">A.</forename><surname>Altibelli</surname></persName><affiliation>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</affiliation></author><author xml:id="author-2"><persName><forename type="first">C.</forename><surname>Joachim</surname></persName><email>joachim@cemes.fr</email><affiliation>Corresponding author. Fax: +33 62 257999</affiliation><affiliation>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</affiliation></author><author xml:id="author-3"><persName><forename type="first">P.</forename><surname>Sautet</surname></persName><affiliation>IRC/CNRS, 2, Avenue A. Einstein, 69626 Villeurbanne Cedex, France</affiliation></author></analytic><monogr><title level="j">Surface Science</title><title level="j" type="abbrev">SUSC</title><idno type="pISSN">0039-6028</idno><idno type="PII">S0039-6028(00)X0010-6</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996"></date><biblScope unit="volume">367</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="209">209</biblScope><biblScope unit="page" to="220">220</biblScope></imprint></monogr><idno type="istex">A9AA610168B99687509D514EBB6B2E05874458F8</idno><idno type="DOI">10.1016/S0039-6028(96)00864-3</idno><idno type="PII">S0039-6028(96)00864-3</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1996</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS2 surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (< 4 A ̊), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Semiconducting surfaces</term></item><item><term>Semi-empirical models and model calculations</term></item><item><term>Single crystal surfaces</term></item><item><term>Tunnelling</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1996">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/A9AA610168B99687509D514EBB6B2E05874458F8/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>SUSC</jid><aid>96008643</aid><ce:pii>S0039-6028(96)00864-3</ce:pii><ce:doi>10.1016/S0039-6028(96)00864-3</ce:doi><ce:copyright type="unknown" year="1996"></ce:copyright></item-info><head><ce:dochead><ce:textfn>Surface science</ce:textfn></ce:dochead><ce:title>Interpretation of STM images: the MoS<ce:inf>2</ce:inf> surface</ce:title><ce:author-group><ce:author><ce:given-name>A.</ce:given-name><ce:surname>Altibelli</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>C.</ce:given-name><ce:surname>Joachim</ce:surname><ce:cross-ref refid="COR1"><ce:sup>∗</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref><ce:e-address>joachim@cemes.fr</ce:e-address></ce:author><ce:author><ce:given-name>P.</ce:given-name><ce:surname>Sautet</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>CEMES-LOE/CNRS, 29, Rue J. Marvig, P.B. 4347, 31055 Toulouse Cedex, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>IRC/CNRS, 2, Avenue A. Einstein, 69626 Villeurbanne Cedex, France</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>∗</ce:label><ce:text>Corresponding author. Fax: +33 62 257999</ce:text></ce:correspondence></ce:author-group><ce:date-received day="27" month="3" year="1996"></ce:date-received><ce:date-accepted day="6" month="6" year="1996"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS<ce:inf>2</ce:inf> surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (<math altimg="si1.gif">< 4 <rm><a><ac>A</ac><ac>̊</ac></a></rm></math>), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Semiconducting surfaces</ce:text></ce:keyword><ce:keyword><ce:text>Semi-empirical models and model calculations</ce:text></ce:keyword><ce:keyword><ce:text>Single crystal surfaces</ce:text></ce:keyword><ce:keyword><ce:text>Tunnelling</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Interpretation of STM images: the MoS2 surface</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Interpretation of STM images: the MoS</title></titleInfo><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Altibelli</namePart><affiliation>CEMES-LOE/CNRS, 29, Rue J. 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Einstein, 69626 Villeurbanne Cedex, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1996</dateIssued><copyrightDate encoding="w3cdtf">1996</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">From the elastic scattering quantum chemistry technique, it is shown that the images of the MoS2 surface obtained with an STM depend on the distance between the tip apex and the surface. At large distances, the tip apex and the Mo d-bands are coupled only through the sulphur surface layer. This leads to image the sulphur sites only. At small distances (< 4 A ̊), there is a superposition between this through bond tunnelling and the direct tip apex-Mo d-bands tunnelling. This superposition is destructive and the contrast is inverted; however, the two images remain very similar, which may lead to a difficult experimental interpretation of the STM images when the tip apex-to-surface distance is not well controlled.</abstract><note type="content">Section title: Surface science</note><subject><genre>Keywords</genre><topic>Semiconducting surfaces</topic><topic>Semi-empirical models and model calculations</topic><topic>Single crystal surfaces</topic><topic>Tunnelling</topic></subject><relatedItem type="host"><titleInfo><title>Surface Science</title></titleInfo><titleInfo type="abbreviated"><title>SUSC</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">19961120</dateIssued></originInfo><identifier type="ISSN">0039-6028</identifier><identifier type="PII">S0039-6028(00)X0010-6</identifier><part><date>19961120</date><detail type="volume"><number>367</number><caption>vol.</caption></detail><detail type="issue"><number>2</number><caption>no.</caption></detail><extent unit="issue pages"><start>L33</start><end>L66</end></extent><extent unit="issue pages"><start>129</start><end>244</end></extent><extent unit="pages"><start>209</start><end>220</end></extent></part></relatedItem><identifier type="istex">A9AA610168B99687509D514EBB6B2E05874458F8</identifier><identifier type="DOI">10.1016/S0039-6028(96)00864-3</identifier><identifier type="PII">S0039-6028(96)00864-3</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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