Work

Incorporation of Ti 4+ into the channel of hydroxyapatite by loading of Ti and post-calcination

Year: 2026

Type: article

Abstract: , HAp) containing titanium (Ti) in the tetravalent state in its channel was successfully demonstrated by employing a post-treatment involving impregnation with a metal alkoxide followed by heat treatment, together with Rietveld refinement. Infrared spectroscopic analyses suggested that the excess positive charge arising from the cation incorporation was compensated for by proton dissociation from hydroxide ions located in the channel, resulting in the formation of titanium oxo groups in the channel. The incorporation of Ti ions into the interstitial site located in the channel resulted in light absorption characteristics distinct from those typically observed for isomorphous substitution, suggesting broadening of the potential properties of HAp-based materials owing to the expansion of their compositional and structural diversity.

Source: RSC Advances

DOI: 10.1039/d6ra08560a

Authors: Xiao Chen, Kanji Saito, Masataka Ogasawara, Sumio Kato

Institutions: Akita University, Waseda University, Kagami Memorial Research Institute for Materials Science and Technology

Language: English

Topic: Bone Tissue Engineering Materials

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $1,042

Funders: Akita University, Japan Society for the Promotion of Science