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Probing Single Molecules Electrically and Optically at the Same Time
Probing single molecules electrically and optically at the same time
Figure: (A) Electromigrated nanogap multibowtie structure. (B) Individual constriction after electromigration. © Map of Si Raman peak in device. (D) Map of pMA SERS signal for this device based on one carbon ring mode. (E) integrated low energy background (50-300 cm-1) for this device. (F), (G) Finite difference time domain simulations of electromigrated nanogap structures, revealing high enhancement factors for SERS.
Credits: Doug Natelson, Daniel Ward
