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中文摘要：
利用热蒸发沉积方法，使用高纯Zn粉为原料（ 〉99．99％），在常压下，成功制备了多针状的znO微结构。当沉积气氛为纯氧气时，多针ZnO单支的直径尺寸在2μm左右，通过调整Ar和O2的比例，发现当蒸发源温度为800℃，气体流量控制在Ar：O2=0．5L／min：0．1L／min的时候，所制备的多足状ZnO的单支直径减小为400nm,采用XRD和SEM对样品进行了表征，并对形成这种多针状ZnO的生长机理进行了详细的讨论。
英文摘要：
Multi-needle ZnO（MN-ZnO） structures have been successfully achieved by thermal evaporation method under atmospheric pressure. Experiment results show that the single pod of MN-ZnO is about 2ttrn when the atmosphere is pure oxygen. However, nano-size MN-ZnO was synthesized with a mixed gases of argon and oxygen at 0.5, 0.1L/min, respectively. The diameter of as-synthesized single needle is about 400nm. XRD and SEM were adopted to characterize the as-prepared MN-ZnO, and possible mechanism was also discussed in detail.
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