About: Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen

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About: Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen Goto Sponge NotDistinct Permalink

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Description	The phase diagrams ln(PO2)-x and T-x of the La-Sr-Mn-O system were calculated for two selected cross sections, namely along the lines La1-xSrxMnOy and (La1-x Srx)2MnOy. For the former one, the perovskite phase La1-xSrxMnO3-d coexists with a stoichiometric hexagonal SrMnO3 and the solubility of Sr increases with increasing T and decreasing PO2, as d decreases. At even lower PO2, (La1-x Srx)2MnO4 and MnO are formed at the expense of La1-xSrxMnO3+d , whose stability field starts to shrink. Similarly, for the latter series the solubility of La in (La1-x Srx)2MnO4 increases from almost stoichiometric Sr2MnO4 (PO2~10-4, 1373 K) with decreasing PO2 to the entire range (PO2~10-13, 1373 K). The same effect is achieved by increasing T. The pseudothernary phase diagrams La2O3-SrO-MnOx were eventually constructed for selected values of T and PO2. The phase diagrams ln(PO2)-x and T-x of the La-Sr-Mn-O system were calculated for two selected cross sections, namely along the lines La1-xSrxMnOy and (La1-x Srx)2MnOy. For the former one, the perovskite phase La1-xSrxMnO3-d coexists with a stoichiometric hexagonal SrMnO3 and the solubility of Sr increases with increasing T and decreasing PO2, as d decreases. At even lower PO2, (La1-x Srx)2MnO4 and MnO are formed at the expense of La1-xSrxMnO3+d , whose stability field starts to shrink. Similarly, for the latter series the solubility of La in (La1-x Srx)2MnO4 increases from almost stoichiometric Sr2MnO4 (PO2~10-4, 1373 K) with decreasing PO2 to the entire range (PO2~10-13, 1373 K). The same effect is achieved by increasing T. The pseudothernary phase diagrams La2O3-SrO-MnOx were eventually constructed for selected values of T and PO2. (en)
Title	Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen (en)
skos:prefLabel	Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen Thermodynamic Modeling and Calculation of Phase Equilibria in the La-Sr-Mn-O System at Various Temperatures and Partial Pressures of Oxygen (en)
skos:notation	RIV/60461373:22310/01:00004758!RIV/2004/MSM/223104/N
http://linked.open.../vavai/riv/strany	88-89
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223100002)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Nevřiva, Miloš Leitner, Jindřich Sedmidubský, David Strejc, Aleš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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 chemické technologie
http://linked.open...dnocenehoVysledku	698749
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/01:00004758
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	manganites, thermodynamic stability (en)
http://linked.open.../riv/klicoveSlovo	manganites thermodynamic stability
http://linked.open...ontrolniKodProRIV	[789BF3ECB5A2]
http://linked.open...v/mistoKonaniAkce	Kežmarské Žleby
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Development of Materials Science in Research and Education - 11th Joint Seminar
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
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http://linked.open...UplatneniVysledku	2001
http://linked.open...iv/tvurceVysledku	Leitner, Jindřich Nevřiva, Miloš Sedmidubský, David Strejc, Aleš
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2001-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223100002
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	80-85330-90-3
http://localhost/t...ganizacniJednotka	22310

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