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Review of ferroelectric hydroxyapatite and its application to biomedicine

机译:铁电羟基磷灰石的研究及其在生物医学中的应用

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摘要

Hydroxyapatite (HA) is a major component of bone in humans and animals. Until about 10 years ago, it was considered to have a centrosymmetric crystal structure and could not contribute to the well-known piezoelectric effect in bone. This review describes the theoretical and experimental studies that showed that HA does have a non-centrosymmetric structure. Recent experiments have shown that HA exhibits piezoelectricity, pyroelectricity, and ferroelectricity. It has been made in the form of thick films and as space-charge electrets. It has an important biomedical application as an implant for bone cell attachment and growth.
机译:羟基磷灰石(HA)是人类和动物骨骼的主要成分。直到大约10年前,它才被认为具有中心对称的晶体结构,并且无法促进骨骼中众所周知的压电效应。这篇综述描述了表明HA确实具有非中心对称结构的理论和实验研究。最近的实验表明,HA具有压电性,热电性和铁电性。它以厚膜形式和空间电荷驻极体形式制成。它作为骨细胞附着和生长的植入物具有重要的生物医学应用。

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