About: Far-infrared response of free charge carriers localized in semiconductor nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A Monte Carlo method is employed to calculate the dynamical conductivity in the terahertz range of free charge carriers localized in semiconductor nanoparticles. The shape of the conductivity spectrum is essentially determined by the probability of carrier transition through interparticle boundaries and by the ratio of the nanoparticle size and carrier mean free path in the bulk. It is shown that the conductivity spectrum exhibits similar features as the classical extension of the Drude conductivity of electrons proposed by Smith [Phys. Rev. B 64, 155106 (2001)]. We find and discuss the link of this model to the results of our simulations which suggests an interpretation of the phenomenological parameters of the Drude-Smith model. A Monte Carlo method is employed to calculate the dynamical conductivity in the terahertz range of free charge carriers localized in semiconductor nanoparticles. The shape of the conductivity spectrum is essentially determined by the probability of carrier transition through interparticle boundaries and by the ratio of the nanoparticle size and carrier mean free path in the bulk. It is shown that the conductivity spectrum exhibits similar features as the classical extension of the Drude conductivity of electrons proposed by Smith [Phys. Rev. B 64, 155106 (2001)]. We find and discuss the link of this model to the results of our simulations which suggests an interpretation of the phenomenological parameters of the Drude-Smith model. (en) Metoda Monte Carlo je použita k výpočtu terahertzové vodivosti volných nosičů lokalizovaných v polovodičových nanočásticích. Tvar vodivostního spektra je určen pravděpodobností přechodu nosičů skrz hranice nanočástic a poměrem velikosti nanočástice a střední volné dráhy nosičů v objemu. Ukazujeme, že vodivostní spektrum má podobný tvar jako v klasickém rozšíření Drudeho modelu, navrženém Smithem [Phys. Rev. B 64, 155106 (2001)]. Nalézáme a diskutujeme vztah tohoto modelu k výsledkům našich simulací - tento vztah naznačuje možnou interpretaci parametrů Drude-Smithova modelu. (cs)
Title	Far-infrared response of free charge carriers localized in semiconductor nanoparticles Terahertzová odezva volných nosičů lokalizovaných v polovodičových nanočásticích (cs) Far-infrared response of free charge carriers localized in semiconductor nanoparticles (en)
skos:prefLabel	Far-infrared response of free charge carriers localized in semiconductor nanoparticles Terahertzová odezva volných nosičů lokalizovaných v polovodičových nanočásticích (cs) Far-infrared response of free charge carriers localized in semiconductor nanoparticles (en)
skos:notation	RIV/68378271:_____/09:00325000!RIV09-AV0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP202/09/P099), P(LC512), Z(AV0Z10100520)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Kužel, Petr Němec, Hynek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	314657
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00325000
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	transient conductivity; time-resolved terahertz spectroscopy; semiconductor nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	transient conductivity time-resolved terahertz spectroscopy semiconductor nanoparticles
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D69DA8FC7A1C]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Center for biomolecules and complex molecular systems Ultrafast electron dynamics in disordered organic and inorganic semiconductors studied by time-resolved terahertz spectroscopy
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	79
http://linked.open...iv/tvurceVysledku	Kužel, Petr Němec, Hynek Sundström, V.
http://linked.open...ain/vavai/riv/wos	000264768900091
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry
issn	1098-0121
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Far-infrared response of free charge carriers localized in semiconductor nanoparticles Far-infrared response of free charge carriers localized in semiconductor nanoparticles

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