Time- and momentum-resolved probe of heat transport in photo-excited bismuth

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dc.contributor.authorChen, J.
dc.contributor.authorTrigo, M.
dc.contributor.authorFahy, Stephen B.
dc.contributor.authorMurray, Éamonn D.
dc.contributor.authorSheu, Y. M.
dc.contributor.authorGraber, T.
dc.contributor.authorHenning, R.
dc.contributor.authorChien, Y. J.
dc.contributor.authorUher, C.
dc.contributor.authorReis, D. A.
dc.contributor.funderU.S. Department of Energy
dc.contributor.funderScience Foundation Ireland
dc.contributor.funderNational Center for Research Resources
dc.contributor.funderNational Institute of General Medical Sciences
dc.contributor.funderNational Institutes of Health
dc.date.accessioned2017-07-28T09:23:23Z
dc.date.available2017-07-28T09:23:23Z
dc.date.issued2013
dc.description.abstractWe use time- and momentum-resolved x-ray scattering to study thermalization in a photo-excited thin single crystal bismuth film on sapphire. The time-resolved changes of the diffuse scattering show primarily a quasi-thermal phonon distribution that is established in less than or similar to 100 ps and that follows the time-scale of thermal transport. Ultrafast melting measurements under high laser excitation show that epitaxial regrowth of the liquid phase occurs on the time-scale of thermal transport across the bismuth-sapphire interface. (C) 2013 AIP Publishing LLC. (DOI: 10.1063/1.4804291)en
dc.description.sponsorshipU.S. Department of Energy (Office of Basic Energy Science through the Division of Materials Sciences and Engineering under Contract No. DE-AC02-76SF00515. National Center for Research Resources (5P41RR007707); National Institute of General Medical Sciences (8P41GM103543 from the National Institutes of Health)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid181903
dc.identifier.citationChen, J., Trigo, M., Fahy, S., Murray, É. D., Sheu, Y. M., Graber, T., Henning, R., Chien, Y. J., Uher, C. and Reis, D. A. (2013) 'Time- and momentum-resolved probe of heat transport in photo-excited bismuth', Applied Physics Letters, 102(18), pp. 181903. doi: 10.1063/1.4804291en
dc.identifier.doi10.1063/1.4804291
dc.identifier.endpage4
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued18
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4284
dc.identifier.volume102
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://dx.doi.org/10.1063/1.4804291
dc.rights© 2013 AIP Publishing LLC..This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Chen, J., Trigo, M., Fahy, S., Murray, É. D., Sheu, Y. M., Graber, T., Henning, R., Chien, Y. J., Uher, C. and Reis, D. A. (2013) 'Time- and momentum-resolved probe of heat transport in photo-excited bismuth', Applied Physics Letters, 102(18), pp. 181903 and may be found at http://dx.doi.org/10.1063/1.4804291en
dc.subjectFunctional perturbation-theoryen
dc.subjectPhononsen
dc.subjectX-ray scatteringen
dc.subjectPhononsen
dc.subjectBismuthen
dc.subjectCompton scatteringen
dc.subjectTime resolved imagingen
dc.titleTime- and momentum-resolved probe of heat transport in photo-excited bismuthen
dc.typeArticle (peer-reviewed)en
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