NDLI: Optical, electrical and magnetic properties of lanthanum strontium manganite La1−xSrxMnO3 synthesized through the citrate combustion method

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Optical, electrical and magnetic properties of lanthanum strontium manganite La_1−xSr_xMnO₃ synthesized through the citrate combustion method

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Optical, electrical and magnetic properties of lanthanum strontium manganite La_1−xSr_xMnO₃ synthesized through the citrate combustion method

Content Provider	Royal Society of Chemistry (RSC)
Author	Mohamed Rashad Hassan, Ali Mostafa Elnaggar, Elsayed M. Bechelany, Mikhael Turky, Ali Omar
Copyright Year	2017
Abstract	Generally, strontium-doped lanthanum manganites (LSM) are materials connected ordinarily as cathodes in the solid oxide fuel cell (SOFC). In this study, the structural, optical, electrical and magnetic properties of La1−xSrxMnO3 (x = 0.2, 0.5, 0.8) synthesized using an organic acid precursor strategy were investigated, based on using citric acid as a fuel. Evidently, the results disclosed that a pure single monoclinic LSM phase was obtained from the thermally treated precursors annealed at 1000 °C with an annealing time of 2 h. The microstructure of the formed sample relied on the Sr2+ ion content. Moreover, a good optical transparency of 45–60% in a wide range of wavelengths between 800 and 1800 nm for all samples substituted by Sr2+ ions was performed. The optical band gap energy was increased from 2.09 to 2.76 eV by increasing the Sr2+ ion molar ratios. The trend in the calculated refractive index, the high frequency dielectric constant (εα) and the static dielectric constant (ε0) of all the produced samples can be linked to an increase in the Sr2+ ion concentration. Moreover, the magnetic properties were enhanced with increasing Sr2+ ion content.
Starting Page	6878
Ending Page	6886
Page Count	9
File Format	HTM / HTML PDF
ISSN	14639076
Volume Number	19
Issue Number	9
Journal	Physical Chemistry Chemical Physics
DOI	10.1039/c6cp07333f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Monoclinic crystal system Molar mass Relative permittivity Electronvolt Ion Lanthanum Band gap Solid oxide fuel cell Nucleic acid thermodynamics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Physical and Theoretical Chemistry

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