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Colloidal diffusion over a quasicrystalline-patterned surface
We report a systematic study of colloidal diffusion over a substrate with quasicrystalline-patterned holes. Silica spheres of diameter comparable to the hole diameter diffuse over the patterned substrate and experience a gravitational potential U(x, y). Using optical microscopy, we track the particl...
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| Published in: | The Journal of chemical physics 2017-06, Vol.146 (21), p.214903-214903 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c348t-61931a421a7d7cdb79b129b0765f539e122d742dee32e08b7a9aef29e837c79d3 |
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| cites | cdi_FETCH-LOGICAL-c348t-61931a421a7d7cdb79b129b0765f539e122d742dee32e08b7a9aef29e837c79d3 |
| container_end_page | 214903 |
| container_issue | 21 |
| container_start_page | 214903 |
| container_title | The Journal of chemical physics |
| container_volume | 146 |
| creator | Su, Yun Lai, Pik-Yin Ackerson, Bruce J. Cao, Xin Han, Yilong Tong, Penger |
| description | We report a systematic study of colloidal
diffusion over a
substrate with quasicrystalline-patterned holes. Silica spheres of diameter
comparable to the hole diameter diffuse over the patterned substrate and experience a
gravitational potential U(x, y). Using
optical microscopy, we track the particle trajectories and find two distinct states: a trapped state
when the particles are inside the holes and a free-diffusion state when they are on the
flat surface outside the holes. The potential U(x,
y) and dynamic properties of the diffusing particle, such as its mean
dwell time, mean square displacement, and long-time diffusion coefficient
D
L
, are measured simultaneously. The
measured D
L
is in good agreement with the
prediction of two theoretical models proposed for diffusion over a quasicrystal lattice. The
experiment demonstrates the applications of this newly constructed potential
landscape. |
| doi_str_mv | 10.1063/1.4984938 |
| format | article |
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diffusion over a
substrate with quasicrystalline-patterned holes. Silica spheres of diameter
comparable to the hole diameter diffuse over the patterned substrate and experience a
gravitational potential U(x, y). Using
optical microscopy, we track the particle trajectories and find two distinct states: a trapped state
when the particles are inside the holes and a free-diffusion state when they are on the
flat surface outside the holes. The potential U(x,
y) and dynamic properties of the diffusing particle, such as its mean
dwell time, mean square displacement, and long-time diffusion coefficient
D
L
, are measured simultaneously. The
measured D
L
is in good agreement with the
prediction of two theoretical models proposed for diffusion over a quasicrystal lattice. The
experiment demonstrates the applications of this newly constructed potential
landscape.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4984938</identifier><identifier>PMID: 28595403</identifier><identifier>CODEN: JCPSA6</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>Diffusion ; Diffusion coefficient ; Dwell time ; Flat surfaces ; Optical microscopy ; Particle trajectories ; Physics ; Quasicrystals ; Silicon dioxide ; Substrates</subject><ispartof>The Journal of chemical physics, 2017-06, Vol.146 (21), p.214903-214903</ispartof><rights>Author(s)</rights><rights>2017 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c348t-61931a421a7d7cdb79b129b0765f539e122d742dee32e08b7a9aef29e837c79d3</citedby><cites>FETCH-LOGICAL-c348t-61931a421a7d7cdb79b129b0765f539e122d742dee32e08b7a9aef29e837c79d3</cites><orcidid>0000-0002-6340-8084 ; 0000000263408084</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jcp/article-lookup/doi/10.1063/1.4984938$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>315,781,783,785,796,27926,27927,76385</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28595403$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Su, Yun</creatorcontrib><creatorcontrib>Lai, Pik-Yin</creatorcontrib><creatorcontrib>Ackerson, Bruce J.</creatorcontrib><creatorcontrib>Cao, Xin</creatorcontrib><creatorcontrib>Han, Yilong</creatorcontrib><creatorcontrib>Tong, Penger</creatorcontrib><title>Colloidal diffusion over a quasicrystalline-patterned surface</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>We report a systematic study of colloidal
diffusion over a
substrate with quasicrystalline-patterned holes. Silica spheres of diameter
comparable to the hole diameter diffuse over the patterned substrate and experience a
gravitational potential U(x, y). Using
optical microscopy, we track the particle trajectories and find two distinct states: a trapped state
when the particles are inside the holes and a free-diffusion state when they are on the
flat surface outside the holes. The potential U(x,
y) and dynamic properties of the diffusing particle, such as its mean
dwell time, mean square displacement, and long-time diffusion coefficient
D
L
, are measured simultaneously. The
measured D
L
is in good agreement with the
prediction of two theoretical models proposed for diffusion over a quasicrystal lattice. The
experiment demonstrates the applications of this newly constructed potential
landscape.</description><subject>Diffusion</subject><subject>Diffusion coefficient</subject><subject>Dwell time</subject><subject>Flat surfaces</subject><subject>Optical microscopy</subject><subject>Particle trajectories</subject><subject>Physics</subject><subject>Quasicrystals</subject><subject>Silicon dioxide</subject><subject>Substrates</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp90E9LwzAYx_EgipvTg29ACl5U6HyepGuSgwcZ_oOBFz2HtHkKHVm7Ja2wd29104MHT8_lw4-HL2PnCFOEXNziNNMq00IdsDGC0qnMNRyyMQDHVOeQj9hJjEsAQMmzYzbiaqZnGYgxu5u33re1sz5xdVX1sW6bpP2gkNhk09tYl2EbO-t93VC6tl1HoSGXxD5UtqRTdlRZH-lsfyfs_fHhbf6cLl6fXub3i7QUmerSHLVAm3G00snSFVIXyHUBMp9VM6EJOXcy445IcAJVSKstVVyTErKU2okJu9rtrkO76Sl2ZlXHkry3DbV9NKhBZYIL4AO9_EOXbR-a4TvDEXNE4N_qeqfK0MYYqDLrUK9s2BoE89XUoNk3HezFfrEvVuR-5U_EAdzsQCzrznZDwX_WPgFp43z1</recordid><startdate>20170607</startdate><enddate>20170607</enddate><creator>Su, Yun</creator><creator>Lai, Pik-Yin</creator><creator>Ackerson, Bruce J.</creator><creator>Cao, Xin</creator><creator>Han, Yilong</creator><creator>Tong, Penger</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6340-8084</orcidid><orcidid>https://orcid.org/0000000263408084</orcidid></search><sort><creationdate>20170607</creationdate><title>Colloidal diffusion over a quasicrystalline-patterned surface</title><author>Su, Yun ; Lai, Pik-Yin ; Ackerson, Bruce J. ; Cao, Xin ; Han, Yilong ; Tong, Penger</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c348t-61931a421a7d7cdb79b129b0765f539e122d742dee32e08b7a9aef29e837c79d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Diffusion</topic><topic>Diffusion coefficient</topic><topic>Dwell time</topic><topic>Flat surfaces</topic><topic>Optical microscopy</topic><topic>Particle trajectories</topic><topic>Physics</topic><topic>Quasicrystals</topic><topic>Silicon dioxide</topic><topic>Substrates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Su, Yun</creatorcontrib><creatorcontrib>Lai, Pik-Yin</creatorcontrib><creatorcontrib>Ackerson, Bruce J.</creatorcontrib><creatorcontrib>Cao, Xin</creatorcontrib><creatorcontrib>Han, Yilong</creatorcontrib><creatorcontrib>Tong, Penger</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Su, Yun</au><au>Lai, Pik-Yin</au><au>Ackerson, Bruce J.</au><au>Cao, Xin</au><au>Han, Yilong</au><au>Tong, Penger</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Colloidal diffusion over a quasicrystalline-patterned surface</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2017-06-07</date><risdate>2017</risdate><volume>146</volume><issue>21</issue><spage>214903</spage><epage>214903</epage><pages>214903-214903</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>We report a systematic study of colloidal
diffusion over a
substrate with quasicrystalline-patterned holes. Silica spheres of diameter
comparable to the hole diameter diffuse over the patterned substrate and experience a
gravitational potential U(x, y). Using
optical microscopy, we track the particle trajectories and find two distinct states: a trapped state
when the particles are inside the holes and a free-diffusion state when they are on the
flat surface outside the holes. The potential U(x,
y) and dynamic properties of the diffusing particle, such as its mean
dwell time, mean square displacement, and long-time diffusion coefficient
D
L
, are measured simultaneously. The
measured D
L
is in good agreement with the
prediction of two theoretical models proposed for diffusion over a quasicrystal lattice. The
experiment demonstrates the applications of this newly constructed potential
landscape.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>28595403</pmid><doi>10.1063/1.4984938</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-6340-8084</orcidid><orcidid>https://orcid.org/0000000263408084</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | The Journal of chemical physics, 2017-06, Vol.146 (21), p.214903-214903 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1908432302 |
| source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); AIP Journals (American Institute of Physics) |
| subjects | Diffusion Diffusion coefficient Dwell time Flat surfaces Optical microscopy Particle trajectories Physics Quasicrystals Silicon dioxide Substrates |
| title | Colloidal diffusion over a quasicrystalline-patterned surface |
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