INVESTIGATION OF ELECTRICAL AND OPTICAL PROPERTIES OF CALCIUM MANGANITES PREPARED FROM SOLID STATE REACTION & SOL-GEL

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KAFASH S.; GHORBANI MOGHADAM T.; KOMPANY A.; HOSSEINI S.M.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2014 | Volume:21 | Issue:4 Page(s): 649-656

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Information Journal Paper

Title

INVESTIGATION OF ELECTRICAL AND OPTICAL PROPERTIES OF CALCIUM MANGANITES PREPARED FROM SOLID STATE REACTION & SOL-GEL

Author(s)

KAFASH S. | GHORBANI MOGHADAM T. | KOMPANY A. | HOSSEINI S.M. | Issue Writer Certificate

Keywords

SOLID STATE REACTIONQ1

SOL-GELQ2

PEROVSKITEQ2

CAMNO3Q2

Abstract

In this research, CaMnO3 powders have been synthesized by SOLID STATE REACTION and SOL-GEL methods at calcination temperature of 800oC. Particle size and morphology of the calcined powders have been investigated using XRD and TEM techniques. TEM image showed that the average particle size of the samples, prepared by SOL-GEL method, is about 85 nm. The optical gap was measured using the absorption spectrum of the powders. The value of the band gap was found for the sample synthesized by SOL-GEL method is about 3.46eV and that for sample prepared by solid solution to be about 3.40eV. Also the phase formation of the powders has been studied by Fourier transform infrared (FTIR) spectroscopy. Resistivity measurements of the samples between 300-550oK revealed that resistivity of the samples decreases with increasing temperature.

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APA: Copy

KAFASH, S., GHORBANI MOGHADAM, T., KOMPANY, A., & HOSSEINI, S.M.. (2014). INVESTIGATION OF ELECTRICAL AND OPTICAL PROPERTIES OF CALCIUM MANGANITES PREPARED FROM SOLID STATE REACTION & SOL-GEL. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 21(4), 649-656. SID. https://sid.ir/paper/4110/en

Vancouver: Copy

KAFASH S., GHORBANI MOGHADAM T., KOMPANY A., HOSSEINI S.M.. INVESTIGATION OF ELECTRICAL AND OPTICAL PROPERTIES OF CALCIUM MANGANITES PREPARED FROM SOLID STATE REACTION & SOL-GEL. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2014;21(4):649-656. Available from: https://sid.ir/paper/4110/en

IEEE: Copy

S. KAFASH, T. GHORBANI MOGHADAM, A. KOMPANY, and S.M. HOSSEINI, “INVESTIGATION OF ELECTRICAL AND OPTICAL PROPERTIES OF CALCIUM MANGANITES PREPARED FROM SOLID STATE REACTION & SOL-GEL,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 21, no. 4, pp. 649–656, 2014, [Online]. Available: https://sid.ir/paper/4110/en

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