Low‐temperature synthesis of nanocrystalline hydroxyapatite: Effect of Mg and Sr content | Zendy

Stipniece Liga | Zendy; Narkevica Inga | Zendy; SalmaAncane Kristine | Zendy

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Low‐temperature synthesis of nanocrystalline hydroxyapatite: Effect of Mg and Sr content

Author(s) -

Stipniece Liga,

Narkevica Inga,

SalmaAncane Kristine

Publication year - 2017

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.14646

Subject(s) - nanocrystalline material , crystallinity , amorphous solid , materials science , fourier transform infrared spectroscopy , scanning electron microscope , precipitation , chemical composition , chemical engineering , particle size , morphology (biology) , analytical chemistry (journal) , specific surface area , mineralogy , nuclear chemistry , crystallography , chemistry , nanotechnology , chromatography , organic chemistry , catalysis , composite material , physics , biology , engineering , genetics , meteorology

Nanocrystalline Mg‐ or Sr‐containing hydroxyapatite powders were synthesized through low‐temperature chemical precipitation. The most significant factor for reduction in particle sizes included adjusting the reaction temperature between 0°C and 50°C. Syntheses products were characterized using several analytical tools to determine purity and influence of added amount (up to 15 mol%) of Mg or Sr on the composition and structure. Qualitative analysis by Fourier transform infrared spectroscopy and low intensity, broad X‐ray diffraction peaks indicated the presence of nanocrystalline and/or amorphous hydroxyapatite in all the products. Moreover, a significant decrease in the crystallinity was observed with increasing Mg (up to 2.8 ± 0.3 wt%) and Sr (up to 9.6 ± 1.0 wt%) concentration. N 2 adsorption and scanning electron microscopy characterizations confirmed the nanocrystalline nature of the synthesized products. The synthesized products had nanosized spherical‐like particle morphology with the specific surface area ranging from 89 ± 7 to 150 ± 20 m 2 /g.

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