Anisotropic interlayer force fields for van der Waals interfaces: Development and applications

Area of Science:

• Materials Science
• Condensed Matter Physics
• Computational Chemistry

Background:

• Layered materials exhibit unique properties due to anisotropy.
• Microscopic understanding of intra- and inter-layer interactions is vital for designing new materials.
• Ab initio simulations provide insights but are computationally expensive, limiting scale.

Purpose of the Study:

• To review the progress in anisotropic interlayer force fields for layered materials.
• To discuss the theoretical framework, parameterization, and applications of these force fields.
• To highlight future directions in simulation technologies for materials science.

Main Methods:

• Review of anisotropic interlayer force field development, focusing on the Kolmogorov-Crespi scheme.
• Discussion of parameterization strategies using ab initio reference data.
• Summarization of applications in predicting structural, mechanical, dynamical, and electronic properties.

Main Results:

• Anisotropic force fields, unlike isotropic potentials (Lennard-Jones, Morse), accurately capture binding and sliding physics.
• The Kolmogorov-Crespi scheme is the established method for interlayer interactions.
• Demonstrated applications in understanding layered material properties.

Conclusions:

• Anisotropic interlayer force fields are essential for accurate simulations of layered materials.
• Further advancements can be achieved by integrating state-of-the-art simulation technologies.
• This field is critical for the rational design of novel layered architectures.