About: Thermodynamic properties of strontium metaniobate SrNb2O6

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Tepelná kapacita strontium metaniobátu SrNb2O6 byla naměřena relaxační metoodu (2-276 K), DSC kalorimetrií (260-320 K) a vhazovací kalorimetrií (723-1472 K). Teplotní závislost má tvar Cpm=(200.47+-5.51)+(0.02937+-0.0760)T-(3.4728+-0.3115)10^6/T^2 J K-1 mol-1 (298-1500 K) . Standardní molární entropie při 298.15 K je Sm0 (298.15 K)=173.88+-0.39 J K-1 mol-1. Standardní slučovací entalpie DeltaHf0 (298.15 K)= -2826.78 kJ mol-1 byla získána z celkových energií vypočtených metodou DFT. (cs) The heat capacity and the enthalpy increments of strontium metaniobate SrNb2O6 were measured by the relaxation method (2 to 276 K), micro DSC calorimetry (260 to 320 K) and drop calorimetry (723 to 1472 K). Temperature dependence of the molar heat capacity in the form Cpm=(200.47+-5.51)+(0.02937+-0.0760)T - (3.4728+-0.3115)10^6/T^2 J/K/mol (298 to 1500 K) was derived by the least-squares method from the experimental data. Furthermore, the standard molar entropy at 298.15 K Sm0 (298.15 K)=173.88+-0.39 J/K/mol was evaluated from the low temperature heat capacity measurements. The standard enthalpy of formation DeltaHf0 (298.15 K)= -2826.78 kJ/mol was derived from total energies obtained by full potential LAPW electronic structure calculations within density functional theory. The heat capacity and the enthalpy increments of strontium metaniobate SrNb2O6 were measured by the relaxation method (2 to 276 K), micro DSC calorimetry (260 to 320 K) and drop calorimetry (723 to 1472 K). Temperature dependence of the molar heat capacity in the form Cpm=(200.47+-5.51)+(0.02937+-0.0760)T - (3.4728+-0.3115)10^6/T^2 J/K/mol (298 to 1500 K) was derived by the least-squares method from the experimental data. Furthermore, the standard molar entropy at 298.15 K Sm0 (298.15 K)=173.88+-0.39 J/K/mol was evaluated from the low temperature heat capacity measurements. The standard enthalpy of formation DeltaHf0 (298.15 K)= -2826.78 kJ/mol was derived from total energies obtained by full potential LAPW electronic structure calculations within density functional theory. (en)
Title	Thermodynamic properties of strontium metaniobate SrNb2O6 Thermodynamic properties of strontium metaniobate SrNb2O6 (en) Termodynamické vlastnosti stroncium metaniobátu SrNb2O6 (cs)
skos:prefLabel	Thermodynamic properties of strontium metaniobate SrNb2O6 Thermodynamic properties of strontium metaniobate SrNb2O6 (en) Termodynamické vlastnosti stroncium metaniobátu SrNb2O6 (cs)
skos:notation	RIV/60461373:22340/08:00020651!RIV09-MSM-22340___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021620834), Z(MSM6046137302), Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Hampl, Milan Leitner, Jindřich Sedmidubský, David Růžička, Květoslav
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	399927
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/08:00020651
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Heat capacity; Entropy; Calorimetry; Strontium metaniobate (en)
http://linked.open.../riv/klicoveSlovo	Strontium metaniobate Entropy Calorimetry Heat capacity
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[AED8929D0AC8]
http://linked.open...i/riv/nazevZdroje	Journal Therm.Anal.Cal.
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	91
http://linked.open...iv/tvurceVysledku	Růžička, Květoslav Straka, Martin Svoboda, Pavel Leitner, Jindřich Sedmidubský, David Hampl, Milan
http://linked.open...ain/vavai/riv/wos	000254522500048
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies Preparation and research of functional materials and material technologies using micro- and nanoscopic methods Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	1388-6150
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	22340
is http://linked.open...avai/riv/vysledek of	Thermodynamic properties of strontium metaniobate SrNb2O6 Thermodynamic properties of strontium metaniobate SrNb2O6 Thermodynamic properties of strontium metaniobate SrNb2O6 Thermodynamic properties of strontium metaniobate SrNb2O6

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