利用 X 射线衍射(XRD),X 射线摇摆曲线(XRC)和 X 射线光电子能谱(XPS)分析方法对氧离子束辅助激光淀积生长的 ZnO/Si 异质结薄膜进行了分析。结果表明:用该法可生长出高度 c 轴单一取向 ZnO 薄膜,XRC 的半高宽度(FWHM)仅为2.918°...利用 X 射线衍射(XRD),X 射线摇摆曲线(XRC)和 X 射线光电子能谱(XPS)分析方法对氧离子束辅助激光淀积生长的 ZnO/Si 异质结薄膜进行了分析。结果表明:用该法可生长出高度 c 轴单一取向 ZnO 薄膜,XRC 的半高宽度(FWHM)仅为2.918°。表明此生长方法经优化,可生长出单晶质量很好的 ZnO/Si 薄膜。展开更多
MoSx (x = 1.79  ̄ 2.34) films of 200 nm thickness are deposited onto brass and C20 steel substrates by the ion beam assisted technique, respectively. Structures and compositions of these films, and changes in valence ...MoSx (x = 1.79  ̄ 2.34) films of 200 nm thickness are deposited onto brass and C20 steel substrates by the ion beam assisted technique, respectively. Structures and compositions of these films, and changes in valence states of the Mo element are examined by XRD and XPS before and after wear. The lubrication properties and wear resistances for two kinds of samples are evaluated using a pin-on-disk installation in atmosphere at the room temperature. Tribo-wear behaviours and the microstructures between two kinds of samples exhibit obvious differences.展开更多
文摘利用 X 射线衍射(XRD),X 射线摇摆曲线(XRC)和 X 射线光电子能谱(XPS)分析方法对氧离子束辅助激光淀积生长的 ZnO/Si 异质结薄膜进行了分析。结果表明:用该法可生长出高度 c 轴单一取向 ZnO 薄膜,XRC 的半高宽度(FWHM)仅为2.918°。表明此生长方法经优化,可生长出单晶质量很好的 ZnO/Si 薄膜。
文摘MoSx (x = 1.79  ̄ 2.34) films of 200 nm thickness are deposited onto brass and C20 steel substrates by the ion beam assisted technique, respectively. Structures and compositions of these films, and changes in valence states of the Mo element are examined by XRD and XPS before and after wear. The lubrication properties and wear resistances for two kinds of samples are evaluated using a pin-on-disk installation in atmosphere at the room temperature. Tribo-wear behaviours and the microstructures between two kinds of samples exhibit obvious differences.