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Research PapersNo Access

CHARACTERISATION AND LUMINESCENCE INVESTIGATIONS OF Mn DOPED CaAl₂O₄ PHOSPHOR PREPARED BY COMBUSTION

Department of Chemistry, Kyungpook National University, Daegu 702-701, Korea

Corresponding author.

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Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400-085, India

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Department of Chemistry, Kyungpook National University, Daegu 702-701, Korea

Corresponding author.

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https://doi.org/10.1142/S0217979208039277Cited by:5 (Source: Crossref)

Abstract

Manganese-doped calcium aluminate powder was prepared at furnace temperatures as low as 500°C using the combustion route without further calcining treatment. Powder X-ray diffraction, thermogravimetric analysis and scanning electron microscopy measurements were used to characterize the as-prepared combustion products, while the optical properties were studied using photoluminescence. Photoluminescence studies of Mn doped CaAl₂O₄ showed green emission from Mn²⁺ ions. EPR investigations also indicated the presence of Mn²⁺ ions in the prepared material.

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Vol. 22, No. 13

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Received 26 February 2007

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