New pathway for the preparation of pyrochlore Nd2Zr2O7 nanoparticles

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dc.contributor.authorKong, Len_AU
dc.contributor.authorKaratchevtseva, Ien_AU
dc.contributor.authorAughterson, RDen_AU
dc.contributor.authorDavis, Jen_AU
dc.contributor.authorZhang, YJen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorTriani, Gen_AU
dc.date.accessioned2020-02-13T05:53:15Zen_AU
dc.date.available2020-02-13T05:53:15Zen_AU
dc.date.issued2015-07-01en_AU
dc.date.statistics2019-11-12en_AU
dc.description.abstractPyrochlore Nd2Zr2O7 nanoparticles were prepared by complex-precipitation in aqueous media, followed by calcination in MgO matrix and subsequent dissolution processing. A suite of characterization techniques, including X-ray diffraction, Raman, TEM, SEM, dynamic light scattering, and nitrogen sorption, was employed to investigate the structure and particle size of the synthesized nano materials. Results show that calcination at 1200 °C for 20 h forms Nd2Zr2O7 with pyrochlore structure. The matrix phase (MgO) had no effect on the formation of pyrochlore phase. The MgO phase was readily removed by dissolution at 0.5 M HNO3 aqueous solution; and the remaining pyrochlore Nd2Zr2O7 nanoparticles had a diameter of approximately 200 nm estimated by TEM and approximately 550 nm determined by light scattering due to slight aggregation. The bulk density of the pelletized powder reached approximately 99% of theoretical value, after uniaxial pressing at 2.0–2.5 MPa and sintering at 1400 °C for 48 h. © 2015 Elsevier B.V.en_AU
dc.identifier.citationKong, L., Karatchevtseva, I., Aughterson, R. D., Davis, J., Zhang, Y., Lumpkin, G. R., & Triani, G. (2015). New pathway for the preparation of pyrochlore Nd 2 Zr 2 O 7 nanoparticles. Ceramics International, 41(6), 7618-7625. doi:10.1016/j.ceramint.2015.02.087en_AU
dc.identifier.govdoc9076en_AU
dc.identifier.issn0272-8842en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleCeramics Internationalen_AU
dc.identifier.pagination7618-7625en_AU
dc.identifier.urihttps://doi.org/10.1016/j.ceramint.2015.02.087en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/9111en_AU
dc.identifier.volume41en_AU
dc.language.isoenen_AU
dc.publisherElsevier B.V.en_AU
dc.subjectX-ray diffractionen_AU
dc.subjectRaman spectroscopyen_AU
dc.subjectLight scatteringen_AU
dc.subjectNanoparticlesen_AU
dc.subjectPyrochloreen_AU
dc.subjectNeodymiumen_AU
dc.subjectZirconatesen_AU
dc.titleNew pathway for the preparation of pyrochlore Nd2Zr2O7 nanoparticlesen_AU
dc.typeJournal Articleen_AU
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