Nanocrystalline

A 40 Å cubic copper supercell (~5202 atoms), large crystalline grains with amorphous boundaries.

copper_nanocrystalline_generate.py reproduces this case.

Orientation refinement

MACE+wall relaxation

Energy

Copper Nanocrystalline MACE energy per atom

stage

E (eV/atom)

after orientation refinement

-3.878

after cleanup

-3.997

after MACE

-4.035

g₃ distributions

After cleanup

After MACE

Bond length and angle distributions

Copper Nanocrystalline bond length distribution Copper Nanocrystalline angle distributions Copper Nanocrystalline pairwise g(r)