"Ostapchuk, Tetyana" . "Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics" . "Vliv porozoty na dielektrickou odezvu a dynamiku centr\u00E1ln\u00EDho modu v PbZrO3 keramik\u00E1ch"@cs . . . "Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics" . . "-" . "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" . . . "RIV/68378271:_____/04:00001170!RIV06-AV0-68378271" . . "GB - Spojen\u00E9 kr\u00E1lovstv\u00ED Velk\u00E9 Brit\u00E1nie a Severn\u00EDho Irska" . . . "Ferroelectrics" . "Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics"@en . "Vliv porozoty na dielektrickou odezvu a dynamiku centr\u00E1ln\u00EDho modu v PbZrO3 keramik\u00E1ch"@cs . "Rychetsk\u00FD, Ivan" . . "Ostapchuk, Tetyana" . . "567962" . . "0015-0193" . . "RIV/68378271:_____/04:00001170" . "Mali\u010D, B." . . "Influence of porosity on the dielectric response and central-mode dynamics in PbZrO3 ceramics"@en . "7"^^ . . . "Petzelt, Jan" . . "Porokhonskyy, Viktor" . . "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"@en . "Vilarinho, P." . . "8"^^ . . "Dielektrick\u00E1 odezva dvou \u010Dist\u00FDch PbZrO3 keramik (PZ1 a PZ2) o stejn\u00E9 hustot\u011B (97-98%) byla studov\u00E1na v frekven\u010Dn\u00EDch intervalech 1MHz-1GHz a dalek\u00E9 infra\u010Derven\u00E9 oblasti, v \u0161irok\u00E9m teplotn\u00EDm rozsahu.Tato studia uk\u00E1zala, \u017Ee velice mal\u00E1 objemov\u00E1 \u010D\u00E1st (<1%) properkolovan\u00E9 porozity ve form\u011B vzduchov\u00FDch \u0161t\u011Brbin kolem zrn sta\u010D\u00ED k tomu, aby drasticky zmen\u0161ily nizkofrekven\u010Dn\u00ED permitivitu a zv\u00FD\u0161ily frkvenci centr\u00E1ln\u00EDho modu"@cs . . "4"^^ . "298" . "Kosec, M." . "211;218" . "PbZrO3 ceramics; permittivity; porosity; depolarizing field"@en . . "P(GA202/01/0612), P(GA202/02/0238), P(KSK1010104), Z(AV0Z1010914)" . "[0FE519B2144F]" . .