About: Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.tandfonline.com/doi/abs/10.1080/01411594.2011.558302
Description	Frequency and temperature investigations of the dielectric parameters of a new lamellar Ag0.10Cu0.90InP2S6 crystal are made. Frequency measurements of the capacity are realized in the interval from 50 Hz to 13 MHz. Temperature measurements are realized in the interval 273–411K at frequencies 1, 5, and 10 kHz. The first-order phase transition is observed at temperature TC=(286+-0.5) K. Using experimental dependences the following parameters for Ag0.10Cu0.90InP2S6 crystal are obtained: Curie temperature T0=TC= (286+-0.5) K, Curie–Weiss temperatures T01=266.23K and T02=286.52 K. A significant difference among temperatures T01, T02, and TC is the evidence of a first-order type phase transition. The Curie–Weiss temperature constants for the ferroelectric Cw,fe and paraelectric Cw,pa phases are calculated: Cw,fe=3519 and Cw,pa=25,546. The ratio Cw,pa/Cw,fe=7. Character of frequency–temperature dependences of the dielectric parameters and their behavior in the paraelectric phase are significantly affected by CuI and InIII motion ions, which cause great increase in the values and considerable dispersion in the paraelectric phase up to the end of the investigated temperature interval. Frequency and temperature investigations of the dielectric parameters of a new lamellar Ag0.10Cu0.90InP2S6 crystal are made. Frequency measurements of the capacity are realized in the interval from 50 Hz to 13 MHz. Temperature measurements are realized in the interval 273–411K at frequencies 1, 5, and 10 kHz. The first-order phase transition is observed at temperature TC=(286+-0.5) K. Using experimental dependences the following parameters for Ag0.10Cu0.90InP2S6 crystal are obtained: Curie temperature T0=TC= (286+-0.5) K, Curie–Weiss temperatures T01=266.23K and T02=286.52 K. A significant difference among temperatures T01, T02, and TC is the evidence of a first-order type phase transition. The Curie–Weiss temperature constants for the ferroelectric Cw,fe and paraelectric Cw,pa phases are calculated: Cw,fe=3519 and Cw,pa=25,546. The ratio Cw,pa/Cw,fe=7. Character of frequency–temperature dependences of the dielectric parameters and their behavior in the paraelectric phase are significantly affected by CuI and InIII motion ions, which cause great increase in the values and considerable dispersion in the paraelectric phase up to the end of the investigated temperature interval. (en)
Title	Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples (en)
skos:prefLabel	Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples (en)
skos:notation	RIV/46747885:24510/11:#0000689!RIV13-MSM-24510___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	9-10
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kopal, Antonín Tyagur, Iryna
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	Technická univerzita v Liberci / Fakulta přírodovědně-humanitní a pedagogická
http://linked.open...dnocenehoVysledku	194510
http://linked.open...ai/riv/idVysledku	RIV/46747885:24510/11:#0000689
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CuInP2S6, Ag0.10Cu0.90InP2S6, dielectric properties, permittivity, first-order phase transition (en)
http://linked.open.../riv/klicoveSlovo	permittivity Ag0.10Cu0.90InP2S6 CuInP2S6 dielectric properties first-order phase transition
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[29856E07751A]
http://linked.open...i/riv/nazevZdroje	Phase Transitions
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	84
http://linked.open...iv/tvurceVysledku	Tyagur, Iryna Kopal, Antonín
http://linked.open...ain/vavai/riv/wos	000299704600018
issn	0141-1594
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1080/01411594.2011.558302
http://localhost/t...ganizacniJednotka	24510

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