蘸水笔技术(Dip-Pen)是近年来发展起来的一种新的扫描探针刻蚀加工技术,有着广泛的应用前景.该技术是直接把弯曲形水层作为媒介来转移"墨汁"分子,在样品表面形成纳米结构.尖端曲率半径、针尖在基底表面滞留时间、针尖扫描速度、空气湿度、表面粗糙度等均会影响纳米结构的线宽.针尖在基底表面滞留时间与圆半径的平方成一次函数关系,线宽随着尖端半径的增大而变宽,扫描速度与线宽成反比关系.通过控制湿度可以控制"墨水"分子的转移速度,从而影响纳米结构的线宽.线宽随着样品表面粗糙度增加而变宽.
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