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Description
| - The empirical Neumann-Kopp rule (NKR) for the estimation of temperature dependence of heat capacity of mixed oxide is analyzed. NKR gives a reasonable estimate of C-pm for most mixed oxides around room temperature, but at both low and high temperatures the accuracy of the estimate is Substantially lowered. At very low temperatures, the validity of NKR is shown to be predominantly determined by the relation between the characteristic Debye and Einstein temperatures of a mixed oxide and its constituents. At high temperatures, the correlation between their molar Volumes, volume expansion coefficients and compressibilities takes the dominance. In cases where the formation of a mixed oxide is not accompanied by any volume change, the difference between dilatation contributions to heat capacity of a mixed oxide and its constituents is exclusively negative. It turns Out that in the high-temperature range, where the contribution of harmonic lattice vibrations approached the 3NR limit, Delta C-ox(p) assumes ne
- The empirical Neumann-Kopp rule (NKR) for the estimation of temperature dependence of heat capacity of mixed oxide is analyzed. NKR gives a reasonable estimate of C-pm for most mixed oxides around room temperature, but at both low and high temperatures the accuracy of the estimate is Substantially lowered. At very low temperatures, the validity of NKR is shown to be predominantly determined by the relation between the characteristic Debye and Einstein temperatures of a mixed oxide and its constituents. At high temperatures, the correlation between their molar Volumes, volume expansion coefficients and compressibilities takes the dominance. In cases where the formation of a mixed oxide is not accompanied by any volume change, the difference between dilatation contributions to heat capacity of a mixed oxide and its constituents is exclusively negative. It turns Out that in the high-temperature range, where the contribution of harmonic lattice vibrations approached the 3NR limit, Delta C-ox(p) assumes ne (en)
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Title
| - Application of Neumann-Kopp rule for the estimation of heat capacity of mixed oxides
- Application of Neumann-Kopp rule for the estimation of heat capacity of mixed oxides (en)
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skos:prefLabel
| - Application of Neumann-Kopp rule for the estimation of heat capacity of mixed oxides
- Application of Neumann-Kopp rule for the estimation of heat capacity of mixed oxides (en)
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skos:notation
| - RIV/60461373:22310/10:00023118!RIV11-GA0-22310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA104/07/1209), Z(MSM0021620834), Z(MSM6046137302), Z(MSM6046137307)
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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/60461373:22310/10:00023118
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Mixed oxides; Heat capacity; Estimation; Neumann-Kopp rule (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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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...vavai/riv/projekt
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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
| - Svoboda, Pavel
- Leitner, Jindřich
- Sedmidubský, David
- Voňka, Petr
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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