Rietveld refinement of nanostructural LaMnO&lt;inf&gt;3+&amp;#x03B4;&lt;/inf&gt; perovskite-type manganite

Batdemberel, G.; Bulgan, G.; Dinnebiér, Robert E.; Munkhbaatar, P.; Sangaa, D.; Chadraabàl, Sh.

doi:10.1109/ifost.2010.5668011

International Forum on Strategic Technology 2010 2010

DOI: 10.1109/ifost.2010.5668011

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Rietveld refinement of nanostructural LaMnO<inf>3+δ</inf> perovskite-type manganite

G. Batdemberel

G. Bulgan²,

Robert E. Dinnebiér

et al.

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“…As SOFC runs in high temperature, a chemical decomposition or a chemical reaction can't occur during its operation and the chosen materials must have a similar thermal expansion coefficient in order to avoid the formation of cracks during thermal cycling. Perovskite oxides display special attention due to their superior electrical, magnetic, catalytic and superconductive properties that can be an advantage to technological and basic materials science investigations [8].…”

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Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma

Damena¹

2019

AJN

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LaMnO 3 is one of the most intensively studied cathode materials for solid oxide fuel cell (SOFC). In the present study, LaMnO 3-δ , cathode materials were synthesized by combustion method. The properties of synthesized materials like thermal, structural, electrical and electrochemical were investigated. Thermogravimetric analysis (TGA/DTA) analysis confirms that the calcination temperature (1000°C) is the appropriate temperature for the preparation of the materials using La (NO 3) 3 .6H 2 O, MnSO 4 .H 2 O, Co (NO 3) 2 .6H 2 O, Fe (NO 3) 3 .9H 2 O and C 6 H 8 O 7 .H 2 O precursors. The X-ray powder diffraction (XRD) results of the materials reveal the formation of the hexagonal structure with R3C space group Fd3m.The scanning electron microscope (SEM) characterization shows that the prepared samples have slightly porous structure with agglomerated particles. The energy dispersive spectroscopy (EDS) analysis is also confirms the presence of La, Mn and O elements in all synthesized materials. From the fourier transform infrared spectroscopy (FTIR) analysis, the most significant absorption bands located at 1629.8cm 1 and 589.9cm 1 wave numbers are identified. The room temperature conductivity of the sample is found to be 6.3×10-3 for LaMnO 3 cathode material. From the dielectric constant ε′ as a function of frequency observed that value of ε′ maximum at lower frequencies and it begins to drop and becomes constant at higher frequencies.

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Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma

Damena¹

2019

AJN

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Effect of A-site rare earth substitution on structural, colossal permittivity, and impedance properties of La0.67R0.03Ca0.2Sr0.1MnO3 (R = Pr, Er) manganite

Brahem

Raddaoui

Bourguiba

2022

J Mater Sci: Mater Electron

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Electrical transport behavior of La0.5Sr0.5Co0.2-xAlxFe0.8O3-δ (x = 0–0.2) perovskite oxides

Sowjanya

Pratihar

2021

Ionics

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Rietveld refinement of nanostructural LaMnO<inf>3+δ</inf> perovskite-type manganite

Cited by 3 publications

References 3 publications

Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma

Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma

Effect of A-site rare earth substitution on structural, colossal permittivity, and impedance properties of La0.67R0.03Ca0.2Sr0.1MnO3 (R = Pr, Er) manganite

Electrical transport behavior of La0.5Sr0.5Co0.2-xAlxFe0.8O3-δ (x = 0–0.2) perovskite oxides

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Rietveld refinement of nanostructural LaMnO<inf>3+&#x03B4;</inf> perovskite-type manganite

Cited by 3 publications

References 3 publications

Investigation of Thermal, Structural and Electrical Properties of LaMnO&lt;sub&gt;3&lt;/sub&gt;-Sigma

Investigation of Thermal, Structural and Electrical Properties of LaMnO&lt;sub&gt;3&lt;/sub&gt;-Sigma

Effect of A-site rare earth substitution on structural, colossal permittivity, and impedance properties of La0.67R0.03Ca0.2Sr0.1MnO3 (R = Pr, Er) manganite

Electrical transport behavior of La0.5Sr0.5Co0.2-xAlxFe0.8O3-δ (x = 0–0.2) perovskite oxides

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Product

Resources

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Rietveld refinement of nanostructural LaMnO<inf>3+δ</inf> perovskite-type manganite

Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma

Investigation of Thermal, Structural and Electrical Properties of LaMnO<sub>3</sub>-Sigma