Journal
RSC ADVANCES
Volume 9, Issue 46, Pages 26825-26830Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ra04636d
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Funding
- DST-FIST program [SR/FST/ETI-421/2016]
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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 degrees 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 degrees C for 4 hours confirm a single phase solid solution and a lack of secondary phases.
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