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Influence of Calcium Ions on the Structure and Properties of LaMnO3

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Języki publikacji
EN
Abstrakty
EN
La0,7 Ca0,3 MnO3 polycrystalline were synthesized from La2 O3 , CaO and MnO2 powder mixture using a solid state reaction technique. The compound powders were obtained through the free sintering method at different temperatures and sintering times in order to study the influence of technological conditions on Ca doped La manganites. The most important physical features as structure, microstructure and morphology were described after X-ray diffraction investigation. Photographs of the specimen fractures were taken with SEM (scanning electron microscope) and they revealed high porosity of the tested material and great tendency for its grains to create agglomerates. Influence of doping and technological conditions on lattice parameters were studied by means of Rietvield analysis. The XRD measurements reveal that La0,7 Ca0,3 MnO3 has orthorhombic symmetry with Pnma space group.
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Twórcy
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 75 Pułku Piechoty 1a Str., 41-500 Chorzów, Poland
autor
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
  • University of Silesia, Institute of Materials Engineering, Faculty of Science and Technology, 12 Żytnia Str., 41-200 Sosnowiec, Poland
Bibliografia
  • [1] C. N. R. Rao, A. K. Raychaudhuri, in: Colossal Magneto Resistance, Charge Ordering and Related Properties of Manganese Oxides, C. N. R. Rao, B. Raveau (Eds.), World Scientific, Singapore (1998).
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Uwagi
PL
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-59d75e52-edb1-4505-822c-08f3fd980685
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