MRO

A 40 Å cubic strontium titanate supercell (~5130 atoms), medium-range order.

strontium_titanate_mro_generate.py reproduces this case.

Orientation refinement

MACE+wall relaxation

Energy

Strontium titanate MRO MACE energy per atom

stage

E (eV/atom)

after orientation refinement

-6.956

after cleanup

-7.214

after MACE

-7.782

g₃ distributions

After cleanup

After MACE

Bond length and angle distributions

Strontium titanate MRO bond length distribution Strontium titanate MRO angle distributions Strontium titanate MRO pairwise g(r)