Investigation of the chain-chain interface in a lead-stearate multilayer using neutron reflectivity
A partially deuterated Pb-stearate multilayer prepared by means of the Langmuir-Blodgett technique on a Si support was investigated by X-ray and neutron reflectometry. It consists of a superstructure built by two protonated and two deuterated hydrocarbon chains. The X-ray reflectivity is sensitive t...
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| Veröffentlicht in: | Thin solid films 1995-10, Vol.266 (2), p.234-237 |
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| creator | Englisch, U. Barberka, T.A. Pietsch, U. Höhne, U. |
| description | A partially deuterated Pb-stearate multilayer prepared by means of the Langmuir-Blodgett technique on a Si support was investigated by X-ray and neutron reflectometry. It consists of a superstructure built by two protonated and two deuterated hydrocarbon chains. The X-ray reflectivity is sensitive to the gradient of the electron density between the hydrocarbon chains and the sheets of metallic counter-ions whereas the neutron reflectometry measures the gradient of scattering length density which is a maximum at the interface between the deuterated and protonated chains. Sharp Bragg peaks were found which are due to the periodic distance between the metallic sheets whereas the peaks responsible for the interface between deuterated and protonated chains are smeared out. The intensities of these peaks can only be explained assuming a partial exchange of deuterated and protonated chains between the sublayers. |
| doi_str_mv | 10.1016/0040-6090(95)06652-7 |
| format | Article |
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It consists of a superstructure built by two protonated and two deuterated hydrocarbon chains. The X-ray reflectivity is sensitive to the gradient of the electron density between the hydrocarbon chains and the sheets of metallic counter-ions whereas the neutron reflectometry measures the gradient of scattering length density which is a maximum at the interface between the deuterated and protonated chains. Sharp Bragg peaks were found which are due to the periodic distance between the metallic sheets whereas the peaks responsible for the interface between deuterated and protonated chains are smeared out. 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The intensities of these peaks can only be explained assuming a partial exchange of deuterated and protonated chains between the sublayers.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Interfaces</subject><subject>Langmuir-Blodgett films</subject><subject>Neutron scattering</subject><subject>Physics</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>X-ray scattering</subject><issn>0040-6090</issn><issn>1879-2731</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNp9kE1rVDEUhoMoOFb_gYssROziar5ucrMRpFQtFNy063AmOWkjd3Jrkjsw_76ZTunSTU44POdNzkPIR86-csb1N8YUGzSz7Isdz5nWoxjMK7Lhk7GDMJK_JpsX5C15V-tfxhgXQm6Iv8p7rC3dQUtLpkuk7R6pv4eUh6eTptywRPDYbxTojBCG2hAKNKS7dW5phgMWutaU72jGtZUeVDDO6Fvap3Z4T95EmCt-eK5n5Pbn5c3F7-H6z6-rix_Xg5datUFFY3jQchpDmCxGy1gIIFAAYG9EJcUYttMUATV4g0xOWx2moOI28CCtPCOfT7kPZfm39q3cLlWP8wwZl7U6YdSkjJIdVCfQl6XW_lX3UNIOysFx5o5G3VGXO-pydnRPRp3pY5-e86F6mGOB7FN9mRVWGCt0x76fMOy77hMWV33C7DGk0pW4sKT_v_MI00aMWA</recordid><startdate>19951001</startdate><enddate>19951001</enddate><creator>Englisch, U.</creator><creator>Barberka, T.A.</creator><creator>Pietsch, U.</creator><creator>Höhne, U.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19951001</creationdate><title>Investigation of the chain-chain interface in a lead-stearate multilayer using neutron reflectivity</title><author>Englisch, U. ; Barberka, T.A. ; Pietsch, U. ; Höhne, U.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-4f771d6385dd89ef900dda2e2aaed89f4325db88fae6ac7e038b6d8d4fbd1d393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Interfaces</topic><topic>Langmuir-Blodgett films</topic><topic>Neutron scattering</topic><topic>Physics</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>X-ray scattering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Englisch, U.</creatorcontrib><creatorcontrib>Barberka, T.A.</creatorcontrib><creatorcontrib>Pietsch, U.</creatorcontrib><creatorcontrib>Höhne, U.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Thin solid films</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Englisch, U.</au><au>Barberka, T.A.</au><au>Pietsch, U.</au><au>Höhne, U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the chain-chain interface in a lead-stearate multilayer using neutron reflectivity</atitle><jtitle>Thin solid films</jtitle><date>1995-10-01</date><risdate>1995</risdate><volume>266</volume><issue>2</issue><spage>234</spage><epage>237</epage><pages>234-237</pages><issn>0040-6090</issn><eissn>1879-2731</eissn><coden>THSFAP</coden><abstract>A partially deuterated Pb-stearate multilayer prepared by means of the Langmuir-Blodgett technique on a Si support was investigated by X-ray and neutron reflectometry. 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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Interfaces Langmuir-Blodgett films Neutron scattering Physics Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) X-ray scattering |
| title | Investigation of the chain-chain interface in a lead-stearate multilayer using neutron reflectivity |
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