Atomic scattering from an adsorbed monolayer solid with a helium beam that penetrates to the substrate
Diffraction and one-phonon inelastic scattering of a thermal energy helium atomic beam are evaluated in the situation that the target monolayer lattice is so dilated that the atomic beam penetrates to the interlayer region between the monolayer and the substrate. The scattering is simulated by propa...
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Veröffentlicht in: | The Journal of chemical physics 2013-03, Vol.138 (10), p.104705-104705 |
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creator | Hansen, F Y Bruch, L W Dammann, B |
description | Diffraction and one-phonon inelastic scattering of a thermal energy helium atomic beam are evaluated in the situation that the target monolayer lattice is so dilated that the atomic beam penetrates to the interlayer region between the monolayer and the substrate. The scattering is simulated by propagating a wavepacket and including the effect of a feedback of the inelastic wave onto the diffracted wave, which represents a coherent re-absorption of the created phonons. Parameters are chosen to be representative of an observed p(1 × 1) commensurate monolayer solid of H2/NaCl(001) and a conjectured p(1 × 1) commensurate monolayer solid of H2/KCl(001). For the latter, there are cases where part of the incident beam is trapped in the interlayer region for times exceeding 50 ps, depending on the spacing between the monolayer and the substrate and on the angle of incidence. The feedback effect is large for cases of strong transient trapping. |
doi_str_mv | 10.1063/1.4794742 |
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The scattering is simulated by propagating a wavepacket and including the effect of a feedback of the inelastic wave onto the diffracted wave, which represents a coherent re-absorption of the created phonons. Parameters are chosen to be representative of an observed p(1 × 1) commensurate monolayer solid of H2/NaCl(001) and a conjectured p(1 × 1) commensurate monolayer solid of H2/KCl(001). For the latter, there are cases where part of the incident beam is trapped in the interlayer region for times exceeding 50 ps, depending on the spacing between the monolayer and the substrate and on the angle of incidence. The feedback effect is large for cases of strong transient trapping.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4794742</identifier><identifier>PMID: 23514511</identifier><language>eng</language><publisher>United States</publisher><subject>ABSORPTION ; ATOMIC BEAMS ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; DIFFRACTION ; FEEDBACK ; HELIUM ; HYDROGEN ; HYDROGEN IONS ; INCIDENCE ANGLE ; INELASTIC SCATTERING ; Interlayers ; LAYERS ; MATERIALS SCIENCE ; Monolayers ; PHONONS ; SIMULATION ; SOLIDS ; SUBSTRATES ; SURFACES ; Trapping ; WAVE PACKETS ; WAVE PROPAGATION</subject><ispartof>The Journal of chemical physics, 2013-03, Vol.138 (10), p.104705-104705</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c341t-84fc121eef36b9ee1a53e029c03a9d0bb51abac8b838d2b3080d7d23ee3574063</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23514511$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22105428$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Hansen, F Y</creatorcontrib><creatorcontrib>Bruch, L W</creatorcontrib><creatorcontrib>Dammann, B</creatorcontrib><title>Atomic scattering from an adsorbed monolayer solid with a helium beam that penetrates to the substrate</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>Diffraction and one-phonon inelastic scattering of a thermal energy helium atomic beam are evaluated in the situation that the target monolayer lattice is so dilated that the atomic beam penetrates to the interlayer region between the monolayer and the substrate. The scattering is simulated by propagating a wavepacket and including the effect of a feedback of the inelastic wave onto the diffracted wave, which represents a coherent re-absorption of the created phonons. Parameters are chosen to be representative of an observed p(1 × 1) commensurate monolayer solid of H2/NaCl(001) and a conjectured p(1 × 1) commensurate monolayer solid of H2/KCl(001). For the latter, there are cases where part of the incident beam is trapped in the interlayer region for times exceeding 50 ps, depending on the spacing between the monolayer and the substrate and on the angle of incidence. The feedback effect is large for cases of strong transient trapping.</description><subject>ABSORPTION</subject><subject>ATOMIC BEAMS</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>DIFFRACTION</subject><subject>FEEDBACK</subject><subject>HELIUM</subject><subject>HYDROGEN</subject><subject>HYDROGEN IONS</subject><subject>INCIDENCE ANGLE</subject><subject>INELASTIC SCATTERING</subject><subject>Interlayers</subject><subject>LAYERS</subject><subject>MATERIALS SCIENCE</subject><subject>Monolayers</subject><subject>PHONONS</subject><subject>SIMULATION</subject><subject>SOLIDS</subject><subject>SUBSTRATES</subject><subject>SURFACES</subject><subject>Trapping</subject><subject>WAVE PACKETS</subject><subject>WAVE PROPAGATION</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqF0U9LHTEUBfAgFX3aLvoFJNBNXYy9N8n8yVKkVUFwY9chydzpS5mZPJMM4rfv2PfstqsLlx9ncQ5jnxGuEBr5Da9Uq1WrxBHbIHS6ahsNH9gGQGClG2hO2VnOvwEAW6FO2KmQNaoaccOG6xKn4Hn2thRKYf7FhxQnbmdu-xyTo55PcY6jfaXEcxxDz19C2XLLtzSGZeKO7MTL1ha-o5lKsoUyL3F9Ec-Ly38_H9nxYMdMnw73nP388f3p5q56eLy9v7l-qLxUWKpODR4FEg2ycZoIbS0JhPYgre7BuRqts75znex64SR00Le9kESybtVaxTn7ss-NuQSTfSjktz7OM_lihEColehW9XWvdik-L5SLmUL2NI52prhkg6pRtZIS8P9Uon4rtdMrvdxTn2LOiQazS2Gy6dUgmLedDJrDTqu9OMQubqL-n3wfRv4BeoiMWw</recordid><startdate>20130314</startdate><enddate>20130314</enddate><creator>Hansen, F Y</creator><creator>Bruch, L W</creator><creator>Dammann, B</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20130314</creationdate><title>Atomic scattering from an adsorbed monolayer solid with a helium beam that penetrates to the substrate</title><author>Hansen, F Y ; Bruch, L W ; Dammann, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c341t-84fc121eef36b9ee1a53e029c03a9d0bb51abac8b838d2b3080d7d23ee3574063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ABSORPTION</topic><topic>ATOMIC BEAMS</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>DIFFRACTION</topic><topic>FEEDBACK</topic><topic>HELIUM</topic><topic>HYDROGEN</topic><topic>HYDROGEN IONS</topic><topic>INCIDENCE ANGLE</topic><topic>INELASTIC SCATTERING</topic><topic>Interlayers</topic><topic>LAYERS</topic><topic>MATERIALS SCIENCE</topic><topic>Monolayers</topic><topic>PHONONS</topic><topic>SIMULATION</topic><topic>SOLIDS</topic><topic>SUBSTRATES</topic><topic>SURFACES</topic><topic>Trapping</topic><topic>WAVE PACKETS</topic><topic>WAVE PROPAGATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hansen, F Y</creatorcontrib><creatorcontrib>Bruch, L W</creatorcontrib><creatorcontrib>Dammann, B</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hansen, F Y</au><au>Bruch, L W</au><au>Dammann, B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Atomic scattering from an adsorbed monolayer solid with a helium beam that penetrates to the substrate</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2013-03-14</date><risdate>2013</risdate><volume>138</volume><issue>10</issue><spage>104705</spage><epage>104705</epage><pages>104705-104705</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><abstract>Diffraction and one-phonon inelastic scattering of a thermal energy helium atomic beam are evaluated in the situation that the target monolayer lattice is so dilated that the atomic beam penetrates to the interlayer region between the monolayer and the substrate. The scattering is simulated by propagating a wavepacket and including the effect of a feedback of the inelastic wave onto the diffracted wave, which represents a coherent re-absorption of the created phonons. Parameters are chosen to be representative of an observed p(1 × 1) commensurate monolayer solid of H2/NaCl(001) and a conjectured p(1 × 1) commensurate monolayer solid of H2/KCl(001). For the latter, there are cases where part of the incident beam is trapped in the interlayer region for times exceeding 50 ps, depending on the spacing between the monolayer and the substrate and on the angle of incidence. The feedback effect is large for cases of strong transient trapping.</abstract><cop>United States</cop><pmid>23514511</pmid><doi>10.1063/1.4794742</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
subjects | ABSORPTION ATOMIC BEAMS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DIFFRACTION FEEDBACK HELIUM HYDROGEN HYDROGEN IONS INCIDENCE ANGLE INELASTIC SCATTERING Interlayers LAYERS MATERIALS SCIENCE Monolayers PHONONS SIMULATION SOLIDS SUBSTRATES SURFACES Trapping WAVE PACKETS WAVE PROPAGATION |
title | Atomic scattering from an adsorbed monolayer solid with a helium beam that penetrates to the substrate |
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