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Abstract

Preparation Characterization Optical and Photoluminescence Studies of Gamma Rayed Erbium Doped Nanocrystalline CaF2

Author(s): Babu Reddy LP*, C Pandurangappa, Venkata Reddy GN

Erbium doped Calcium fluoride (CaF2) nanoparticles are synthesized by co- precipitation method. Preliminary characterizations of the samples are carried out using PXRD, SEM and FTIR. The nanoparticles are irradiated with γ-rays and optical absorption and Photoluminescence measurements are made on the irradiated samples. From the study of Optical Absorption (OA) spectra various color centers responsible for the absorption are identified. Photoluminescence (PL) spectrum exhibited emission peaks at ~387, 442, 460 and 517 nm. The mechanisms of OA and PL of the observed samples are discussed in detail.


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Citations : 337

Materials Science: An Indian Journal received 337 citations as per Google Scholar report

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