Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Additional (next to Fig. 1, B and C) STM topography image of a Au20 cluster on 3L NaCl/Au(111), imaged with a Cl-functionalized tip.
  • Fig. S2. Series of dI/dV spectra recorded on different Au20 clusters with different conditions of STM tip apex.
  • Fig. S3. Electrostatic model to estimate the capacitance of Au20/NaCl/Au(111) system.
  • Fig. S4. Electrostatic model to estimate the capacitance of Au40/NaCl/Au(111) and Au60/NaCl/Au(111) systems.
  • Fig. S5. High-resolution STM images for supported Au40 and Au60 clusters.
  • Table S1. The relationship between distortion and the HL gap for supported Au20.
  • Reference (42)

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