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中文摘要：
利用磁控溅射法在医用钛合金Ti6Al4V表面制备Ti-Ag、Ti-Ag-N薄膜。采用扫描电子显微镜、X射线衍射、X射线能量色散谱、X射线光电子能谱分析薄膜的表面形貌、微观结构、化学成分和化学价态。采用平板计数法测试薄膜对大肠杆菌的抗菌性。研究结果表明：薄膜主要由Ti、Ag、（N）组成,且Ag是以Ag~0形式存在;与基材相比,两种薄膜对大肠杆菌（E.coli）均有抗菌性,且Ti-Ag-N薄膜表现出更优越的抗菌性能。
英文摘要：
The Ti-Ag and Ti-Ag-（N）coatings were synthesized by magnetron sputtering on Ti6Al4V substrate,a Ti- based alloy and bio-compatible material. The influence of the coating conditions,including but not limited to the contents of Ti,Ag and N,bias voltage,ratio of Ar/N2 flow rates,deposition rate and pressure,on the microstructttres and antibiotic property of the coatings was experimentally investigated with scanning electron microscope, energy dispersive spec- troscopy, X-ray diffraction,X-ray photoelectron spectroscopy and in colony counting method. The results show that both the compact and smooth Ti-Ag and Ti-Ag-（N）coatings are capable of killing E. coli,because neutral Ag atoms exist on their surfaces. In addition,the antibiotic property of the Ti-Ag-N coatings was found to be much better than that of the Ti-Ag coatings.
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