Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Considered candidate structures for the Z1 edge on Ag(111) and their edge energies (eV/Å).
  • Fig. S2. Considered candidate structures for the Z2 edge on Ag(111) and their edge energies (eV/Å).
  • Fig. S3. Preferred edges of the triangular sheet on Ag(111), along with calculated edge energies.
  • Fig. S4. Energetically preferred atomic configurations for a boron (left) monomer, (middle) dimer, and (left) trimer on Ag(111).
  • Fig. S5. Growth kinetics at the A2 edge.
  • Fig. S6. Growth kinetics at the Z2 edge.
  • Fig. S7. Growth kinetics at the K12 edge.
  • Fig. S8. Growth kinetics at the K22 edge.
  • Fig. S9. Growth kinetics at the K21 edge.
  • Fig. S10. Borophene shapes of kinetic equilibrium under other growth conditions.
  • Fig. S11. Borophene shape of kinetic equilibrium when feeding boron species are provided in the form of mixed monomers and dimers, with Δμ = 0.01 eV and kBT = 0.08.

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