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【中文摘要】用STM针尖对有机络合物电双稳薄膜材料施加强电场作用,可在材料表面产生纳米线度的导电几何图形。实验证明:对针尖本身的几何构形、施加在针尖上的脉冲幅度、周期和占空比都必须进行细致的选择。用Ag2TCNQ 络合物进行实验,在适合的针尖2样品距离下,发现所加脉冲偏压的极性为负时,容易进行加工。 【英文摘要】Nanometer scale conductive patterns have been produced on thin films of electrical bistable organic complexes using the tip of scanning tunneling microscope ( STM) with intense electric fields. Experiments showed that the STM tip should be carefully prepared. Fabrication of nanometer scale patterns on a flat surface of Ag2TCNQ was realized when we chose the appropriate bias voltage ,pulse height and duration of negative voltage pulses and suitable distance between tip and sample before processing.
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