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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F09%3A00330267%21RIV10-AV0-68378271
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Optical pump—terahertz probe spectroscopy was used for investigation of electron dynamics in In0.53Ga0.47As films irradiated by heavy ions (Br+) at doses from 10^9 to 10^12 cm^-2. From the transient conductivity spectra, photoexcited electron lifetimes and mobilities were determined; their decrease is observed upon increase of the irradiation dose. At the highest dose, the material combines an electron lifetime of 0.46 ps with an exceptionally high photoexcited electron mobility of 3600 cm2V–1s–1. This last value is even higher than those reported for low-temperature-grown GaAs with similar electron lifetime. Due to its rather low band gap heavy-ion irradiated IIn0.53Ga0.47As shows promising properties for the development of THz systems using telecommunication based technology. Optical pump—terahertz probe spectroscopy was used for investigation of electron dynamics in In0.53Ga0.47As films irradiated by heavy ions (Br+) at doses from 10^9 to 10^12 cm^-2. From the transient conductivity spectra, photoexcited electron lifetimes and mobilities were determined; their decrease is observed upon increase of the irradiation dose. At the highest dose, the material combines an electron lifetime of 0.46 ps with an exceptionally high photoexcited electron mobility of 3600 cm2V–1s–1. This last value is even higher than those reported for low-temperature-grown GaAs with similar electron lifetime. Due to its rather low band gap heavy-ion irradiated IIn0.53Ga0.47As shows promising properties for the development of THz systems using telecommunication based technology.
dcterms:title
High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As
skos:prefLabel
High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As High photocarrier mobility in ultrafast ion-irradiated In0.53Ga0.47As
skos:notation
RIV/68378271:_____/09:00330267!RIV10-AV0-68378271
n3:aktivita
n15:Z n15:P
n3:aktivity
P(GP202/09/P099), P(IAA100100902), Z(AV0Z10100520)
n3:cisloPeriodika
19
n3:dodaniDat
n18:2010
n3:domaciTvurceVysledku
n7:1959050 n7:5379369 n7:6410235 n7:8638519
n3:druhVysledku
n16:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
317105
n3:idVysledku
RIV/68378271:_____/09:00330267
n3:jazykVysledku
n8:eng
n3:klicovaSlova
InGaAs; photocarrier mobility; ultrafast photoconductivity terahertz; ion irradiation; terahertz; ion irradiation
n3:klicoveSlovo
n12:terahertz n12:photocarrier%20mobility n12:ultrafast%20photoconductivity%20terahertz n12:InGaAs n12:ion%20irradiation
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[93A5740FFFD8]
n3:nazevZdroje
Journal of Physics D-Applied Physics
n3:obor
n17:BM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
8
n3:projekt
n13:IAA100100902 n13:GP202%2F09%2FP099
n3:rokUplatneniVysledku
n18:2009
n3:svazekPeriodika
42
n3:tvurceVysledku
Martin, M. Mounaix, P. Fekete, Ladislav Kužel, Petr Mangeney, J. Delagnes, J. C. Kadlec, Filip Němec, Hynek
n3:wos
000269993100029
n3:zamer
n5:AV0Z10100520
s:issn
0022-3727
s:numberOfPages
6