Low temperature synthesis and characterization of single phase multi-component fluorite oxide nanoparticle sols

Anandkumar, Mariappan and Bhattacharya, Saswata and Deshpande, Atul Suresh (2019) Low temperature synthesis and characterization of single phase multi-component fluorite oxide nanoparticle sols. RSC Advances, 9 (46). pp. 26825-26830. ISSN 2046-2069

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Abstract

We report for the first time a simple, scalable approach for the synthesis of single-phase multi-component fluorite oxide nanoparticle sols: Gd0.2La0.2Y0.2Hf0.2Zr0.2O2 (GLYHZ) and Gd0.2La0.2Ce0.2Hf0.2Zr0.2O2 (GLCHZ) using chemical co-precipitation followed by peptization in acidic medium under mild conditions (≤80 °C). High resolution transmission electron microscopy (HRTEM) along with selected area electron diffraction (SAED) studies confirm fully crystalline single-phase cubic fluorite nanoparticles having a particle size of about 2–3 nm with a narrow size distribution was obtained. The powder X-ray diffraction (XRD) and Rietveld refinement studies of samples calcined at 500 °C for 4 hours confirm a single phase solid solution and a lack of secondary phases.

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IITH Creators:
IITH CreatorsORCiD
Bhattacharya, SaswataUNSPECIFIED
Deshpande, Atul SureshUNSPECIFIED
Item Type: Article
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Depositing User: Team Library
Date Deposited: 03 Sep 2019 04:11
Last Modified: 03 Sep 2019 04:11
URI: http://raiith.iith.ac.in/id/eprint/6094
Publisher URL: http://doi.org/10.1039/C9RA04636D
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