Synthesis and Structural Characterization of La0.8Sr0.2MO3 (M=Mn, Fe, Co and Cr) Solid Ionic Material for Catalyst Application

Muhammad Nor Azri Aziz; Banjuraizah Johar; Shing Fhan Khor; Zainal Arifin Ahmad

doi:10.4028/www.scientific.net/MSF.840.48

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HomeMaterials Science ForumMaterials Science Forum Vol. 840Synthesis and Structural Characterization of...

Synthesis and Structural Characterization of La_0.8Sr_0.2MO₃(M=Mn, Fe, Co and Cr) Solid Ionic Material for Catalyst Application

Abstract:

La_0.8Sr_0.2MO_3+δ, (M=Mn, Fe, Cr, Co) ceramics were prepared by using solid state reaction method. All raw materials were mixed and ground using mortar. Homogenized powders were calcined at 900°C for three hour followed by grounding and uniaxial pressed at 100MPa. Compacted pellets were further pressed using cold isostatic pressing machine at 2600kg/m.s and sintered at 1300°C with heating rate 5°C/min for 4 hour. Crystal structure and phase transformation of sintered samples were obtained using X-ray diffraction. Density and porosity are measured by using Archimedes principle. The morphology of sintered samples is observed using scanning electron microscopy, while elemental analysis using the EDX.

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Periodical:

Materials Science Forum (Volume 840)

Pages:

48-51

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.840.48

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Online since:

January 2016

Authors:

Muhammad Nor Azri Aziz*, Banjuraizah Johar, Shing Fhan Khor, Zainal Arifin Ahmad

Keywords:

Catalyst, Density, Solid Ionic, Structural, XRD

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