About: Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system

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About: Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Článek se zabývá důkazem neobvyklého uspořádání v části diagramu Bi-Ca-Mn-O bohaté na Bi, kde je při nízkých teplotách pozorováno spinové sklo. (cs) The present paper deals with the evidence of an unprecedented ordering in the Bi-rich part of the Bi-Ca-Mn-O diagram, where the spin glass state is observed at low temperature. The x−1(T) curves of three compounds, corresponding to different Ca/Bi + Ca ratio varying between 0.37 and 0.25, have been characterized and discussed in correlation with the structural transitions as a function of T. Three different behaviours have been observed for Bi0.63Ca0.37MnO3, Bi0.67Ca0.33MnO3 and Bi0.71Ca0.24MnO3−gama. The anomalies in the x−1(T) curves of Bi0.71Ca0.24MnO3−gama and Bi0.63Ca0.37MnO3 appear to be associated to two different mechanisms, which are not observed in the intermediate Bi0.67Ca0.33MnO3. For the Bi-rich compound, an unprecedented [111]p-type ordering of the perovskite cell is reported, which is associated to a change of the slope in the magnetic curve. Bi0.71Ca0.24MnO3−gama appears at the convergence point of a complex competition between the comp The present paper deals with the evidence of an unprecedented ordering in the Bi-rich part of the Bi-Ca-Mn-O diagram, where the spin glass state is observed at low temperature. The x−1(T) curves of three compounds, corresponding to different Ca/Bi + Ca ratio varying between 0.37 and 0.25, have been characterized and discussed in correlation with the structural transitions as a function of T. Three different behaviours have been observed for Bi0.63Ca0.37MnO3, Bi0.67Ca0.33MnO3 and Bi0.71Ca0.24MnO3−gama. The anomalies in the x−1(T) curves of Bi0.71Ca0.24MnO3−gama and Bi0.63Ca0.37MnO3 appear to be associated to two different mechanisms, which are not observed in the intermediate Bi0.67Ca0.33MnO3. For the Bi-rich compound, an unprecedented [111]p-type ordering of the perovskite cell is reported, which is associated to a change of the slope in the magnetic curve. Bi0.71Ca0.24MnO3−gama appears at the convergence point of a complex competition between the comp (en)
Title	Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system (en) Kritický bod konkurence různých uspořádání orbitálů a volného páru Bi v oblasti bohaté na bizmut systému Bi-Ca-Mn-O (cs)
skos:prefLabel	Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system (en) Kritický bod konkurence různých uspořádání orbitálů a volného páru Bi v oblasti bohaté na bizmut systému Bi-Ca-Mn-O (cs)
skos:notation	RIV/60461373:22310/06:00017010!RIV07-MSM-22310___
http://linked.open.../vavai/riv/strany	1414-1421
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/03/0924), Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Nevřiva, Miloš
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 chemické technologie
http://linked.open...dnocenehoVysledku	470019
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/06:00017010
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bismuth manganites; orbital ordering; spin glass (en)
http://linked.open.../riv/klicoveSlovo	spin glass Bismuth manganites orbital ordering
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[610046392A25]
http://linked.open...i/riv/nazevZdroje	Solid State Sciences
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Ordering phenomena and chemical bond in bismuth based manganites
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Nevřiva, Miloš Giot, Maud Perez, C. Hervieu, Maryvone Pautrat, A. Simon, Charles
http://linked.open...n/vavai/riv/zamer	Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	1293-2558
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	22310
is http://linked.open...avai/riv/vysledek of	Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system Critical point of the competition between different orbital- and Bi lone pair-orderings in the Bi-rich part of the Bi-Ca-Mn-O system

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