Abstract
利用金属Hf与氧气反应溅射制备了HfO 2 薄膜，采用X射线光电子能谱分析(XPS)、原子力显微镜(AFM)等手段对薄膜的组成成分以及表面形貌进行了分析表征，并从薄膜生长机理角度研究了氧气的通量对于HfO 2 成膜过程的影响，得到了氧气通量的增大能使HfO 2 薄膜的化学配比、非晶结构和表面形貌得到优化的结论。 HfO 2 thin films are deposited by reactive sputtering under atmospheres composited by various ratios of oxygen and argon. The chemical composition of the HfO 2 thin films is tested by X-ray photoelectron spectroscopy (XPS). The surface morphology of the HfO 2 thin films is characterized by atomic force microscopy (AFM). Effect of various O 2 flux on the chemical composition, structure, and surface morphology in the growth process of HfO2 thin films is studied in the view of thin film growth mechanism. And results show that improving O2 flow rate can optimize the stoichiometric, amorphous structure and surface morphology of HfO 2 films.
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