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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F08%3A00319856%21RIV09-AV0-68378271
rdf:type
n3:Vysledek skos:Concept
dcterms:description
We report on ultrafast charge carrier dynamics in sub-band-gap energy states in nanocrystalline diamond self-supporting membranes prepared by plasma-enhanced chemical vapor deposition technique. Results of the femtosecond transient transmission and photoluminescence laser spectroscopy indicate relaxation of photoexcited carriers with the time constants of the order of 1 ps. This is attributed to an ultrafast spatial separation of holes and electrons at the surface of nanocrystals. Only the carrier population photoexcited in energy levels of 1.68 eV silicon related center decays on a much longer time scale with the time constant of 2.4 ns. We report on ultrafast charge carrier dynamics in sub-band-gap energy states in nanocrystalline diamond self-supporting membranes prepared by plasma-enhanced chemical vapor deposition technique. Results of the femtosecond transient transmission and photoluminescence laser spectroscopy indicate relaxation of photoexcited carriers with the time constants of the order of 1 ps. This is attributed to an ultrafast spatial separation of holes and electrons at the surface of nanocrystals. Only the carrier population photoexcited in energy levels of 1.68 eV silicon related center decays on a much longer time scale with the time constant of 2.4 ns. Ultra-rychlá detekce procesů nosičů náboje v mezi-energetických stavech valenčního pásma byly studovány na nanokrystalických diamantech deponovaných chemickou depozicí z par.
dcterms:title
Ultrafast dynamics of photoexcited charge carriers in nanocrystalline diamond Ultrafast dynamics of photoexcited charge carriers in nanocrystalline diamond Ultra-rychlá detekce procesů foto-excitovaných nosičů náboja v nanokrystalickém diamantu
skos:prefLabel
Ultrafast dynamics of photoexcited charge carriers in nanocrystalline diamond Ultrafast dynamics of photoexcited charge carriers in nanocrystalline diamond Ultra-rychlá detekce procesů foto-excitovaných nosičů náboja v nanokrystalickém diamantu
skos:notation
RIV/68378271:_____/08:00319856!RIV09-AV0-68378271
n4:aktivita
n15:Z n15:P
n4:aktivity
P(KAN400100652), P(KAN400100701), Z(AV0Z10100521), Z(MSM0021620834)
n4:cisloPeriodika
8
n4:dodaniDat
n14:2009
n4:domaciTvurceVysledku
n5:9994602 n5:7465416
n4:druhVysledku
n17:J
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
401298
n4:idVysledku
RIV/68378271:_____/08:00319856
n4:jazykVysledku
n8:eng
n4:klicovaSlova
femtosecond transient transmission; photoluminescence laser spectroscopy; nanocrystalline diamond
n4:klicoveSlovo
n12:photoluminescence%20laser%20spectroscopy n12:nanocrystalline%20diamond n12:femtosecond%20transient%20transmission
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[84B894E8D155]
n4:nazevZdroje
Applied Physics Letters
n4:obor
n18:BM
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
6
n4:projekt
n11:KAN400100701 n11:KAN400100652
n4:rokUplatneniVysledku
n14:2008
n4:svazekPeriodika
93
n4:tvurceVysledku
Preclíková, J. Trojánek, F. Rezek, Bohuslav Kromka, Alexander Němec, P. Malý, P.
n4:wos
000259011900066
n4:zamer
n6:MSM0021620834 n6:AV0Z10100521
s:issn
0003-6951
s:numberOfPages
3