Hydrothermal synthesis and characterization of hydroxyapatite from octacalcium phosphate

Natsuko Ito, Masanobu Kamitakahara, Setsuaki Murakami, Noriaki Watanabe, Koji Ioku

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Hydroxyapatite (HA) particles synthesized by hydrothermal treatment of octacalcium phosphate (OCP) particles were characterized in detail and the reaction mechanism was discussed. The calcium-deficient HA particles were firstly formed and their compositions gradually closed to the stoichiometric composition with reaction progress. While their compositions closed to the stoichiometric composition, split of plate-shaped HA particles into smaller strips and subsequent crystal growth of HA particles were observed. The [001] direction of synthesized HAwas parallel to the [001] direction of starting material of OCP. The hydrothermal treatment of OCP particles is useful for synthesis of plate-shaped HA particles with different morphologies and compositions.

Original languageEnglish
Pages (from-to)762-766
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume118
Issue number1380
DOIs
Publication statusPublished - 2010 Aug
Externally publishedYes

Keywords

  • Composition
  • Hydrothermal treatment
  • Hydroxyapatite
  • Morphology
  • Octacalcium phosphate

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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