Journal Article scanning tunneling microscopy epitaxial growth germanene graphene 2D materials 2D perovskite 3D motion transfer Bernal stacking Research Support, Non-U.S. Gov't Review bilayer borophene borophene synthesis carbon nanotubes deep neural networks density functional theory low-energy electron diffraction micromachine micromanipulation micromotor optically‐induced dielectrophoresis optoelectronic tweezers platinum reconfigurable synapse silicene time‐division multiplexing architecture van der Waals heterostructures