fig12
![Physics infused machine learning force fields for 2D materials monolayers](https://image.oaes.cc/5ddeda25-afbf-48f4-b775-1d75c9f5560d/jmi3031.fig.12.jpg)
Figure 12. Benchmarks of ML force fields for monolayer hBN in the aspect of (A) energy; (B) atomistic force; and (C) phonon spectrum. DFT: Density functional theory; hBN: hexagonal boron nitride; MAE: mean absolute error; RMSE: root mean square errors; 2D: two-dimensional.