Synthesis and characterization of Mn-, La-Mn- and La-Ca-Mn-citrates as precursors for LaMnO3 and La1−xCaxMnO3
Abstract: Mn-, LaMn- and LaCaMn-citrates were synthesized at 60–120°C in ethylene glycol medium using chlorides or nitrates as metal sources. Their composition, IR spectra and thermal decomposition were studied. Equimolar La/Mn ratio has been established in the complex, prepared from chloride solution with the same initial composition of the metals. In the isolated three-metallic complex the molar ratio of the metals deviates from the composition in the initial solution. The final products of the heating of Mn- and mixed-metal LaMn-citrates at 1000°C are phase-homogeneous Mn3O4 (hausmannite) and LaMnO3 respectively. Parasitic phase (s) are observed in LaxCa1−xMnyO3, produced from LaCaMn-citrate.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Synthesis and characterization of Mn-, La-Mn- and La-Ca-Mn-citrates as precursors for LaMnO3 and La1−xCaxMnO3 ; volume:3 ; number:2 ; year:2005 ; pages:263-278 ; extent:16
Open chemistry ; 3, Heft 2 (2005), 263-278 (gesamt 16)
- Urheber
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Petrova, Nikolina
Todorovsky, Dimitar
Vasileva, Veselinka
- DOI
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10.2478/BF02475995
- URN
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urn:nbn:de:101:1-2410171642409.580726597261
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:26 MESZ
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Beteiligte
- Petrova, Nikolina
- Todorovsky, Dimitar
- Vasileva, Veselinka
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