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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)
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Title
| - Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples
- Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples (en)
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skos:prefLabel
| - Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples
- Dielectric properties of new lamellar Ag0.10Cu0.90InP2S6 samples (en)
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skos:notation
| - RIV/46747885:24510/11:#0000689!RIV13-MSM-24510___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/46747885:24510/11:#0000689
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - CuInP2S6, Ag0.10Cu0.90InP2S6, dielectric properties, permittivity, first-order phase transition (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Tyagur, Iryna
- Kopal, Antonín
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1080/01411594.2011.558302
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http://localhost/t...ganizacniJednotka
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