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Investigation of field, carrier, and coherent phonon dynamics in low-temperature grown GaAs

Investigation of field, carrier, and coherent phonon dynamics in low-temperature grown GaAs

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DEKORSY, Thomas, Heinrich KURZ, X. Q. ZHOU, Klaus PLOOG, 1993. Investigation of field, carrier, and coherent phonon dynamics in low-temperature grown GaAs. In: Applied Physics Letters. 63(21), pp. 2899-2901

@article{Dekorsy1993Inves-9108, title={Investigation of field, carrier, and coherent phonon dynamics in low-temperature grown GaAs}, year={1993}, doi={10.1063/1.110291}, number={21}, volume={63}, journal={Applied Physics Letters}, pages={2899--2901}, author={Dekorsy, Thomas and Kurz, Heinrich and Zhou, X. Q. and Ploog, Klaus} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9108"> <dc:format>application/pdf</dc:format> <dcterms:issued>1993</dcterms:issued> <dc:creator>Zhou, X. Q.</dc:creator> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:contributor>Dekorsy, Thomas</dc:contributor> <dcterms:title>Investigation of field, carrier, and coherent phonon dynamics in low-temperature grown GaAs</dcterms:title> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:53:40Z</dcterms:available> <dc:contributor>Kurz, Heinrich</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:53:40Z</dc:date> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9108"/> <dc:contributor>Zhou, X. Q.</dc:contributor> <dc:contributor>Ploog, Klaus</dc:contributor> <dc:language>eng</dc:language> <dc:rights>deposit-license</dc:rights> <dc:creator>Ploog, Klaus</dc:creator> <dcterms:bibliographicCitation>First publ. in: Applied Physics Letters 63 (1993), 21, pp. 2899-2901</dcterms:bibliographicCitation> <dc:creator>Kurz, Heinrich</dc:creator> <dc:creator>Dekorsy, Thomas</dc:creator> <dcterms:abstract xml:lang="eng">We compare the dynamics of electric field, transport, and coherent phonons in as-grown and annealed low-temperature (LT) GaAs by an electro-optic technique on a subpicosecond time scale. The buildup and decay of space-charge fields associated with the photo-Dember effect are investigated. The recombination dynamics of trapped carriers is monitored via the ps decay of the electro-optic signal. Differences in annealed and as-grown LT GaAs are related to the different microscopic form of excess arsenic and point defect density. In the coherent phonon signal a large red shift of the LO phonon and an additional local vibration below the LO phonon provides information on structural defects in as-grown LT GaAs. Applied Physics Letters is copyrighted by The American Institute of Physics.</dcterms:abstract> </rdf:Description> </rdf:RDF>

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