Particle dynamics in polymer-metal nanocomposite thin films on nanometer-length scales
X-ray photon correlation spectroscopy was used in conjunction with resonance-enhanced grazing-incidence small-angle x-ray scattering to probe slow particle dynamics and kinetics in gold/polystyrene nanocomposite thin films. Such enhanced coherent scattering enables, for the first time, measurement o...
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| Veröffentlicht in: | Physical review letters 2007-05, Vol.98 (18), p.185506-185506, Article 185506 |
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| container_issue | 18 |
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| container_title | Physical review letters |
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| creator | Narayanan, Suresh Lee, Dong Ryeol Hagman, Aleta Li, Xuefa Wang, Jin |
| description | X-ray photon correlation spectroscopy was used in conjunction with resonance-enhanced grazing-incidence small-angle x-ray scattering to probe slow particle dynamics and kinetics in gold/polystyrene nanocomposite thin films. Such enhanced coherent scattering enables, for the first time, measurement of the particle dynamics at wave vectors up to approximately 1 nm(-1) (or a few nanometers spatially) in a disordered system, well in the regime where entanglement, confinement, and particle interaction dominate the dynamics and kinetics. Measurements of the intermediate structure factor f(q,t) indicate that the particle dynamics differ from Stokes-Einstein Brownian motion and are explained in terms of viscoelastic effects and interparticle interactions. |
| doi_str_mv | 10.1103/physrevlett.98.185506 |
| format | Article |
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Such enhanced coherent scattering enables, for the first time, measurement of the particle dynamics at wave vectors up to approximately 1 nm(-1) (or a few nanometers spatially) in a disordered system, well in the regime where entanglement, confinement, and particle interaction dominate the dynamics and kinetics. 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Measurements of the intermediate structure factor f(q,t) indicate that the particle dynamics differ from Stokes-Einstein Brownian motion and are explained in terms of viscoelastic effects and interparticle interactions.</description><subject>BROWNIAN MOVEMENT</subject><subject>COMPOSITE MATERIALS</subject><subject>GOLD</subject><subject>INTERMEDIATE STRUCTURE</subject><subject>MATERIALS SCIENCE</subject><subject>NANOSTRUCTURES</subject><subject>PARTICLE INTERACTIONS</subject><subject>POLYSTYRENE</subject><subject>QUANTUM ENTANGLEMENT</subject><subject>SMALL ANGLE SCATTERING</subject><subject>SPECTROSCOPY</subject><subject>THIN FILMS</subject><subject>TIME MEASUREMENT</subject><subject>X-RAY DIFFRACTION</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNpFkNtq3DAQQEVpSDaXT2gwFPLmzcjyRXosIZfCQkNp-yrk8ajrIEuupQ3s30fNLuRpYObM7TD2hcOacxC383YfF3p1lNJayTWXTQPtJ7bi0Kmy47z-zFYAgpcKoDtj5zG-AACvWnnKznjXAG9kt2J_ns2SRnRUDHtvphFjMfpiDm4_0VJOlIwrvPEBwzSHOCYq0jYDdnRTLIJ_r2Uqs47837QtIhpH8ZKdWOMiXR3jBfv9cP_r7qnc_Hj8fvdtU2INPJUCqR6srIBsZwxWdqiVrKWlVlmbP8KhRwFtlXO1aHvVGVEjqarHgYh4Ly7Y18PcENOoI-YDcYvBe8KkK1ANF3WbqZsDNS_h345i0tMYkZwznsIu6g6aCqSqMtgcQFxCzHqtnpdxMstec9D_tevnrP0nvW6ydq2kPmjPfdfHBbt-ouGj6-hZvAGCp4Oh</recordid><startdate>20070504</startdate><enddate>20070504</enddate><creator>Narayanan, Suresh</creator><creator>Lee, Dong Ryeol</creator><creator>Hagman, Aleta</creator><creator>Li, Xuefa</creator><creator>Wang, Jin</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20070504</creationdate><title>Particle dynamics in polymer-metal nanocomposite thin films on nanometer-length scales</title><author>Narayanan, Suresh ; Lee, Dong Ryeol ; Hagman, Aleta ; Li, Xuefa ; Wang, Jin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c401t-3ce4df820ef7aac2fd49848fe69ff855cdbc3062848436b97a34ce92bcdeee1b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>BROWNIAN MOVEMENT</topic><topic>COMPOSITE MATERIALS</topic><topic>GOLD</topic><topic>INTERMEDIATE STRUCTURE</topic><topic>MATERIALS SCIENCE</topic><topic>NANOSTRUCTURES</topic><topic>PARTICLE INTERACTIONS</topic><topic>POLYSTYRENE</topic><topic>QUANTUM ENTANGLEMENT</topic><topic>SMALL ANGLE SCATTERING</topic><topic>SPECTROSCOPY</topic><topic>THIN FILMS</topic><topic>TIME MEASUREMENT</topic><topic>X-RAY DIFFRACTION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Narayanan, Suresh</creatorcontrib><creatorcontrib>Lee, Dong Ryeol</creatorcontrib><creatorcontrib>Hagman, Aleta</creatorcontrib><creatorcontrib>Li, Xuefa</creatorcontrib><creatorcontrib>Wang, Jin</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Narayanan, Suresh</au><au>Lee, Dong Ryeol</au><au>Hagman, Aleta</au><au>Li, Xuefa</au><au>Wang, Jin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Particle dynamics in polymer-metal nanocomposite thin films on nanometer-length scales</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2007-05-04</date><risdate>2007</risdate><volume>98</volume><issue>18</issue><spage>185506</spage><epage>185506</epage><pages>185506-185506</pages><artnum>185506</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>X-ray photon correlation spectroscopy was used in conjunction with resonance-enhanced grazing-incidence small-angle x-ray scattering to probe slow particle dynamics and kinetics in gold/polystyrene nanocomposite thin films. 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| ispartof | Physical review letters, 2007-05, Vol.98 (18), p.185506-185506, Article 185506 |
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| source | American Physical Society Journals |
| subjects | BROWNIAN MOVEMENT COMPOSITE MATERIALS GOLD INTERMEDIATE STRUCTURE MATERIALS SCIENCE NANOSTRUCTURES PARTICLE INTERACTIONS POLYSTYRENE QUANTUM ENTANGLEMENT SMALL ANGLE SCATTERING SPECTROSCOPY THIN FILMS TIME MEASUREMENT X-RAY DIFFRACTION |
| title | Particle dynamics in polymer-metal nanocomposite thin films on nanometer-length scales |
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