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Article: Effects of grain boundary cavities on the thermal resistance under ultrashort laser pulse

TitleEffects of grain boundary cavities on the thermal resistance under ultrashort laser pulse
Authors
Yan, KSoh, AK
Issue Date2008
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpd
Citation
Journal Of Physics D: Applied Physics, 2008, v. 41 n. 15 How to Cite?
DOI: http://dx.doi.org/10.1088/0022-3727/41/15/155401
AbstractMolecular dynamics simulations were carried out for nonequilibrium phonon heat transport across the Si Σ = 5, (3 1 0) symmetric tilt grain boundaries subjected to an ultrashort laser pulse. It has been found that the existence of cavities at the grain boundary will increase the grain boundary potential energy and decrease the heat dissipation, which is evident from the approximately 20% longer relaxation time required for the system to reach thermodynamic equilibrium. Thus, the existence of grain boundary cavities is one of the main hindrances in the thermal management of nanostructures. © 2008 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/59097
ISSN
0022-3727
2023 Impact Factor: 3.1
2023 SCImago Journal Rankings: 0.681
ISI Accession Number ID
WOS:000257839700062
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorYan, Ken_HK
dc.contributor.authorSoh, AKen_HK
dc.date.accessioned2010-05-31T03:42:49Z-
dc.date.available2010-05-31T03:42:49Z-
dc.date.issued2008en_HK
dc.identifier.citationJournal Of Physics D: Applied Physics, 2008, v. 41 n. 15en_HK
dc.identifier.issn0022-3727en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59097-
dc.description.abstractMolecular dynamics simulations were carried out for nonequilibrium phonon heat transport across the Si Σ = 5, (3 1 0) symmetric tilt grain boundaries subjected to an ultrashort laser pulse. It has been found that the existence of cavities at the grain boundary will increase the grain boundary potential energy and decrease the heat dissipation, which is evident from the approximately 20% longer relaxation time required for the system to reach thermodynamic equilibrium. Thus, the existence of grain boundary cavities is one of the main hindrances in the thermal management of nanostructures. © 2008 IOP Publishing Ltd.en_HK
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpden_HK
dc.relation.ispartofJournal of Physics D: Applied Physicsen_HK
dc.titleEffects of grain boundary cavities on the thermal resistance under ultrashort laser pulseen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-3727&volume=41&issue=15&spage=Art. No. 155401 &epage=&date=2008&atitle=Effects+of+grain+boundary+cavities+on+the+thermal+resistance+under+ultrashort+laser+pulseen_HK
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_HK
dc.identifier.authoritySoh, AK=rp00170en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0022-3727/41/15/155401en_HK
dc.identifier.scopuseid_2-s2.0-49749138942en_HK
dc.identifier.hkuros153492en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-49749138942&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue15en_HK
dc.identifier.isiWOS:000257839700062-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYan, K=7102869239en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.issnl0022-3727-

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