Formation of metastable tetragonal zirconia nanoparticles: Competitive influence of the dopants and surface state

Oksana Gorban, Susanna Synyakina, Galina Volkova, Sergey Gorban, Tetyana Konstantiova, Svetlana Lyubchik

Resultado de pesquisarevisão de pares

26 Citações (Scopus)

Resumo

The effect of the surface modification of the nanoparticles of amorphous and crystalline partially stabilized zirconia by fluoride ions on stability of the metastable tetragonal phase was investigated. Based on the DSC, titrimetry and FTIR spectroscopy data it was proven that surface modification of the xerogel resulted from an exchange of the fluoride ions with the basic OH groups. The effect of the powder pre-calcination temperature before modification on the formation of metastable tetragonal phase in partially stabilized zirconia was investigated. It was shown that the main factor of tetragonal zirconia stabilization is the state of nanoparticles surface at pre-crystallization temperatures.

Idioma originalInglês
Páginas (de-até)249-255
Número de páginas7
RevistaJournal of Solid State Chemistry
Volume232
DOIs
Estado da publicaçãoPublicadas - 1 dez. 2015
Publicado externamenteSim

Nota bibliográfica

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© 2015 Elsevier Inc. All rights reserved.

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