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Room-temperature single molecular memory
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DOI：10.1063/1.3679127.png)
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Single molecular memory operation was observed on a porphyrin derivative by scanning tunneling microscopy at room temperature. A porphyrin derivative with four disulfide groups was chemically synthesized and chemisorbed on a Au(111) surface. Coulomb blockade behaviors and switching behaviors in current-voltage (I-V) characteristics were observed on a single porphyrin derivative by scanning tunneling spectroscopy. Based on the switching behaviors, the memory operation of electrical conductance in the porphyrin derivative was demonstrated by applying a programmed pulse sequence with an on/off ratio of 2.9 at room temperature. (C) 2012 American Institute of Physics. [doi:10.1063/1.3679127]
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3.6
论文数:
10.4W
被引数:
17.8W
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