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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F04%3A00001170%21RIV06-AV0-68378271
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Dielectric response of two types of nominally pure hot-pressed PbZrO3 ceramics (PZ1 and PZ2) of similar density (97-98%)was studied ihn the 1 MHz-1 GHz and far infrared frequency ranges in a wide temperature interval. Our estimates show that even small volume fraction (<1%)of the air gaps in the sample may drastically reduce its low-frquency permittivity and cause pronounced stiffening of the central-mode-type dispersion in PbZrO3 Dielectric response of two types of nominally pure hot-pressed PbZrO3 ceramics (PZ1 and PZ2) of similar density (97-98%)was studied ihn the 1 MHz-1 GHz and far infrared frequency ranges in a wide temperature interval. Our estimates show that even small volume fraction (<1%)of the air gaps in the sample may drastically reduce its low-frquency permittivity and cause pronounced stiffening of the central-mode-type dispersion in PbZrO3 Dielektrická odezva dvou čistých PbZrO3 keramik (PZ1 a PZ2) o stejné hustotě (97-98%) byla studována v frekvenčních intervalech 1MHz-1GHz a daleké infračervené oblasti, v širokém teplotním rozsahu.Tato studia ukázala, že velice malá objemová část (<1%) properkolované porozity ve formě vzduchových štěrbin kolem zrn stačí k tomu, aby drasticky zmenšily nizkofrekvenční permitivitu a zvýšily frkvenci centrálního modu
dcterms:title
Vliv porozoty na dielektrickou odezvu a dynamiku centrálního modu v PbZrO3 keramikách Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics
skos:prefLabel
Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics Vliv porozoty na dielektrickou odezvu a dynamiku centrálního modu v PbZrO3 keramikách
skos:notation
RIV/68378271:_____/04:00001170!RIV06-AV0-68378271
n3:strany
211;218
n3:aktivita
n7:Z n7:P
n3:aktivity
P(GA202/01/0612), P(GA202/02/0238), P(KSK1010104), Z(AV0Z1010914)
n3:cisloPeriodika
-
n3:dodaniDat
n10:2006
n3:domaciTvurceVysledku
Ostapchuk, Tetyana n9:8241155 n9:8154724 n9:6699189
n3:druhVysledku
n15:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
567962
n3:idVysledku
RIV/68378271:_____/04:00001170
n3:jazykVysledku
n12:eng
n3:klicovaSlova
PbZrO3 ceramics; permittivity; porosity; depolarizing field
n3:klicoveSlovo
n6:permittivity n6:depolarizing%20field n6:PbZrO3%20ceramics n6:porosity
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[0FE519B2144F]
n3:nazevZdroje
Ferroelectrics
n3:obor
n16:BM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
7
n3:projekt
n11:GA202%2F01%2F0612 n11:KSK1010104 n11:GA202%2F02%2F0238
n3:rokUplatneniVysledku
n10:2004
n3:svazekPeriodika
298
n3:tvurceVysledku
Rychetský, Ivan Ostapchuk, Tetyana Malič, B. Petzelt, Jan Porokhonskyy, Viktor Vilarinho, P. Kosec, M.
n3:zamer
n8:AV0Z1010914
s:issn
0015-0193
s:numberOfPages
8