Metal-insulator-metal junctions have been constructed by sandwiching chemisorbed protein molecules between a conducting AFM tip and the conducting substrate.

• 本文还研究了相应的蛋白质电子传递理论,通过综合讨论有机单分子层电子传递的理论方法及其最新进展,根据在导电原子力显微镜针尖和传导基底中间夹入化学吸附的蛋白质来构造金属-绝缘体-金属结,在限定的偏压范围-1~1V内,可以观察到不对称电流曲线。