About: Oxygen non-stoichiometry and thermodynamic properties of Bi2Sr2CoO6+delta ceramics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.jeurceramsoc.2013.11.008
Description	In the literature the structure Bi2Sr2CoO6+delta has been described with a variable oxygen nonstoichiometry delta. We identified delta parameter by thermogravimetric measurements and determined thermodynamic properties of Bi2Sr2CoO6+delta. The heat capacity and enthalpy increments of Bi2Sr2CoO6+delta were measured by the relaxation time method (PPMS) from 2 to 256 K, by differential scanning calorimetry (DSC) from 258 to 355 K and by drop calorimetry from 573 to 1123K. Above-room temperature, the dependence of molar heat capacity under isodynamical (constant po(2)) and conventional isoplethal conditions (constant composition) was derived from the experimental data by the least-squares method. The low temperature heat capacity was analyzed in terms of a combined Debye-Einstein model. The molar entropy S-m(o)(298.15) = 318.9 J K-1 mol(-1) was evaluated from the low-temperature heat-capacity measurements. (C) 2013 Elsevier Ltd. All rights reserved. In the literature the structure Bi2Sr2CoO6+delta has been described with a variable oxygen nonstoichiometry delta. We identified delta parameter by thermogravimetric measurements and determined thermodynamic properties of Bi2Sr2CoO6+delta. The heat capacity and enthalpy increments of Bi2Sr2CoO6+delta were measured by the relaxation time method (PPMS) from 2 to 256 K, by differential scanning calorimetry (DSC) from 258 to 355 K and by drop calorimetry from 573 to 1123K. Above-room temperature, the dependence of molar heat capacity under isodynamical (constant po(2)) and conventional isoplethal conditions (constant composition) was derived from the experimental data by the least-squares method. The low temperature heat capacity was analyzed in terms of a combined Debye-Einstein model. The molar entropy S-m(o)(298.15) = 318.9 J K-1 mol(-1) was evaluated from the low-temperature heat-capacity measurements. (C) 2013 Elsevier Ltd. All rights reserved. (en)
Title	Oxygen non-stoichiometry and thermodynamic properties of Bi2Sr2CoO6+delta ceramics Oxygen non-stoichiometry and thermodynamic properties of Bi2Sr2CoO6+delta ceramics (en)
skos:prefLabel	Oxygen non-stoichiometry and thermodynamic properties of Bi2Sr2CoO6+delta ceramics Oxygen non-stoichiometry and thermodynamic properties of Bi2Sr2CoO6+delta ceramics (en)
skos:notation	RIV/00216208:11320/14:10210332!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA13-17538S), P(GAP108/10/1006), P(LM2011025), S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Svoboda, Pavel
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	35544
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10210332
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Oxygen non-stoichiometry; Debye-Einstein model; Heat capacity; Bismuth cobaltites (en)
http://linked.open.../riv/klicoveSlovo	Bismuth cobaltites Oxygen non-stoichiometry Debye-Einstein model Heat capacity
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[9656039FF479]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Oxide Thermoelectric Materials for High Temperature Waste Heat Recovery MLTL - Magnetism and Low Temperature Laboratories - operation and development of national research infrastructure Novel materials with pronounced application potential
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	34
http://linked.open...iv/tvurceVysledku	Růžička, Květoslav Sofer, Zdeněk Svoboda, Pavel Sedmidubský, David Jankovský, Ondřej Rubešová, Kateřina
http://linked.open...ain/vavai/riv/wos	000331340900021
issn	0955-2219
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jeurceramsoc.2013.11.008
http://localhost/t...ganizacniJednotka	11320

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