采用湿化学法制备了氟羟基磷灰石(FHA),研究了氟掺杂对晶体结构和热稳定性的影响,探讨了氧化铝基体上磷灰石涂层的组成与热稳定性的关系.用X射线衍射表征了物相组成和晶格参数的变化,用红外光谱分析了晶体结构.结果表明:氟的替代引起了晶格参数和键能的变化,阐述了氧化铝-磷灰石系统中,羟基磷灰石与氟羟基磷灰石的分解机制.
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