Inter-layer potential for hexagonal boron nitride

I Leven and I Azuri and L Kronik and O Hod, JOURNAL OF CHEMICAL PHYSICS, 140, 104106 (2014).

DOI: 10.1063/1.4867272

A new interlayer force-field for layered hexagonal boron nitride (h-BN) based structures is presented. The force-field contains three terms representing the interlayer attraction due to dispersive interactions, repulsion due to anisotropic overlaps of electron clouds, and monopolar electrostatic interactions. With appropriate parameterization, the potential is able to simultaneously capture well the binding and lateral sliding energies of planar h-BN based dimer systems as well as the interlayer telescoping and rotation of double walled boron-nitride nanotubes of different crystallographic orientations. The new potential thus allows for the accurate and efficient modeling and simulation of large-scale h-BN based layered structures. (C) 2014 AIP Publishing LLC.

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