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Temperature-dependent electron-lattice thermalization in GaAs

hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
hal.structure.identifierLaboratoire de Spectrométrie Ionique et Moléculaire [LASIM]
dc.contributor.authorDEL FATTI, N.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorLANGOT, P.
dc.contributor.authorTOMMASI, R.
hal.structure.identifierInstitut de biologie et chimie des protéines [Lyon] [IBCP]
dc.contributor.authorVALLEE, F.
dc.date.issued1999
dc.identifier.issn1098-0121
dc.description.abstractEnThermalization of hot electron with the lattice is precisely investigated in bulk GaAs in the temperature range 50–300 K using a high-sensitivity two-color femtosecond absorption saturation technique. The results show that for lattice temperatures larger than 100 K, the photoexcited electron gas eventually thermalizes with the lattice with a characteristic time close to the LO phonon lifetime as a consequence of the nonequilibrium hot-phonon effect. For lower temperatures, the electron-lattice thermalization time is found to be longer than the LO phonon lifetime in agreement with numerical simulations of the coupled carrier-LO phonon dynamics.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enTemperature-dependent electron-lattice thermalization in GaAs
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.59.4576
dc.subject.halPhysique [physics]
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.page4576-4579
bordeaux.volume59
bordeaux.issue7
bordeaux.peerReviewedoui
hal.identifierhal-01550426
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01550426v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B:%20Condensed%20Matter%20and%20Materials%20Physics%20(1998-2015)&rft.date=1999&rft.volume=59&rft.issue=7&rft.spage=4576-4579&rft.epage=4576-4579&rft.eissn=1098-0121&rft.issn=1098-0121&rft.au=DEL%20FATTI,%20N.&LANGOT,%20P.&TOMMASI,%20R.&VALLEE,%20F.&rft.genre=article


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