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氮化锌粉末的制备和结构性质 被引量:3

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摘要 将Zn粉末置于流量为500mL/min的NH3气流中,在600℃氮化温度下氮化120min的最佳条件下,制备出高质量的Zn3N2粉末.用x射线衍射(XRD)测量了Zn3N2粉末的结构,Zn3N2粉末是具有立方结构的晶体,其晶格常数a为0.9788nm.用扫描电子显微镜(SEM)观察了Zn3N2粉末的表面形貌,发现Zn3N2粉末具有非常丰富的晶粒表面形貌.用透射电子显微镜(TEM)验证了晶粒形状的多样性.X射线光电子谱(XPS)表明Zn3N2的化学键状态与ZnO及金属Zn明显不同,表明N-Zn键的形成.用计算机模拟了Zn3N2晶体的立体结构,用高分辨电子显微镜(HRTEM)观察了Zn3N2粉末的内部结构,观察结果与Partin等提出的Zn3N2结构模型符合很好.
出处 《中国科学(G辑)》 CSCD 2004年第6期610-619,共10页
基金 教育部博士点基金(批准号:20020422056)国家自然科学基金(批准号:9020102590301002)资助项目
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参考文献12

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二级参考文献10

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