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|Title:||Quantum plasmon resonances controlled by molecular tunnel junctions|
|Citation:||Tan, S.F., Wu, L., Yang, J.K.W., Bai, P., Bosman, M., Nijhuis, C.A. (2014). Quantum plasmon resonances controlled by molecular tunnel junctions. Science 343 (6178) : 1496-1499. ScholarBank@NUS Repository. https://doi.org/10.1126/science.1248797|
|Abstract:||Quantum tunneling between two plasmonic resonators links nonlinear quantum optics with terahertz nanoelectronics. We describe the direct observation of and control over quantum plasmon resonances at length scales in the range 0.4 to 1.3 nanometers across molecular tunnel junctions made of two plasmonic resonators bridged by self-assembled monolayers (SAMs). The tunnel barrier width and height are controlled by the properties of the molecules. Using electron energy-loss spectroscopy, we directly observe a plasmon mode, the tunneling charge transfer plasmon, whose frequency (ranging from 140 to 245 terahertz) is dependent on the molecules bridging the gaps.|
|Appears in Collections:||Staff Publications|
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