Table 2 DFT-calculated total energies (per supercell) of various optimized configurations of h-BN/Au0.5ML/Rh(111) relative to the energy minimum (denoted by zero energy) among the considered set

From: Enhancing the dipole ring of hexagonal boron nitride nanomesh by surface alloying

Configuration shown in Supplementary Fig. 2, and description of the top metal layer

Relative total energy (eV)

Corrugation of the h-BN layer (pm)

Suppl. Fig. 2a: Circular Rh below h-BN pore

0.000

206

Suppl. Fig. 2b: Circular Rh below h-BN pore, 1 Rh replaced by 1 Au in the middle of Rh

0.910

206

Suppl. Fig. 2c: Au-Rh stripe (phase-separated)

2.117

202

Suppl. Fig. 2d: Rh-Au stripe (phase-separated)

2.166

195

Suppl. Fig. 2e: Circular Au below h-BN wire maximum, 1 Au replaced by 1 Rh in the middle of Au

4.481

98

Suppl. Fig. 2f: Circular Au below h-BN wire 2nd max., 1 Au replaced by 1 Rh in the middle of Au

4.519

184

Suppl. Fig. 2g: Circular Rh below h-BN wire 2nd max., 1 Rh replaced by 1 Au in the middle of Rh

8.841

75

Suppl. Fig. 2h: Circular Rh below h-BN wire maximum, 1 Rh replaced by 1 Au in the middle of Rh

9.216

59

Suppl. Fig. 2i: Circular Au below h-BN pore, 1 Au replaced by 1 Rh in the middle of Au

9.447

59

Suppl. Fig. 2j: (2 × 1) Rh-Au atomic rows (ordered surface alloy37,38)

17.758

47

Suppl. Fig. 2k: (2 × 1) Au-Rh atomic rows (ordered surface alloy37,38)

17.802

47

  1. The obtained corrugation values of the h-BN layers are also indicated. The corresponding atomic structures are reported in Supplementary Fig. 2.