Copper and cerium co-substituted hydroxyapatite: powders synthesis and sintering

Copper- and cerium-substituted and copper-cerium co-substituted hydroxyapatite (HA) nanopowders were synthesized through aqueous precipitation method. The obtained materials were studied by XRD, SEM, BET absorption and dilatometry. The effects of the cation substitution for calcium ions in HA struct...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-05, Vol.848 (1), p.12061
Main Authors: Nikitina, Y O, Petrakova, N V, Egorov, A A, Titov, D D, Ashmarin, A A, Barinov, S M, Komlev, V S
Format: Article
Language:English
Subjects:
Calcium ions
Cerium
Copper
Dilatometry
Hydroxyapatite
Lattice parameters
Phase composition
Sintering (powder metallurgy)
Substitutes
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Summary:Copper- and cerium-substituted and copper-cerium co-substituted hydroxyapatite (HA) nanopowders were synthesized through aqueous precipitation method. The obtained materials were studied by XRD, SEM, BET absorption and dilatometry. The effects of the cation substitution for calcium ions in HA structure on the phase composition, lattice parameters, shrinkage and microstructure of the ceramics were studied and discussed. It was concluded that cerium ions incorporation in small amount (0, 1 mol. %) contribute to a sintering process more than rather higher amount of copper ions (5 mol. %).
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/848/1/012061