Erbium‐doped barium titanate/hydroxyapatite composites with enhanced piezoelectric and biological properties. (17th June 2020)

• Record Type: Journal Article
• Authors: Wu, Cong; Tang, Yufei; Zhao, Kang; Jiao, Mengzhen; Wu, Zixiang
• Is Part Of: Micro & nano letters. Volume 15:Number 7(2020)
• Page Start: 421
• Page End: 424
• Publication Date: 2020-06-17
• Subjects: barium compounds -- compressive strength -- composite materials -- erbium -- porosity -- calcium compounds -- bone -- piezoelectricity -- bioceramics -- piezoceramics; piezoelectric properties -- biological properties -- bone repair -- osteoconductivity -- osteoinductivity -- natural bone -- piezoelectric stimulation -- Erbium‐doped barium titanate‐hydroxyapatite composites -- nondegradable BaTiO3 -- Er3+‐doped barium titanate content -- BaTiO3‐Ca10(PO4)6(OH)2; Nanotechnology -- Periodicals; Nanostructures -- Periodicals; Microtechnology -- Periodicals; 620.5
• DOI: 10.1049/mnl.2019.0809
• Languages: English
• ISSNs: 1750-0443

Abstract

Abstract : Shortening the period of bone repair based on BaTiO3 /hydroxyapatite(HA) composites with osteoconductivity and osteoinductivity is important. However, when the piezoelectric properties of composites are matched with natural bone, the content of non‐degradable BaTiO3 needs to reach 90%, which may not conducive to clinical application. The barium titanate content in the composite was reduced by doping Er 3+ into the BaTiO3 of BaTiO3 /HA composites with enhanced piezoelectric properties. The piezoelectric constant and compressive strength of composites increased with the increase of Er 3+ ‐doped barium titanate (BTEr) content. Appropriate piezoelectric stimulation can promote the growth of osteoblasts. 70% BTEr/30% HA is more beneficial to the proliferation of osteoblasts than 70% BaTiO3 /30% HA.