MACE-OFF23: Transferable machine learning force fields for organic molecules

DP Kovács, JH Moore, NJ Browning, I Batatia… - arXiv preprint arXiv …, 2023 - arxiv.org
Classical empirical force fields have dominated biomolecular simulation for over 50 years.
Although widely used in drug discovery, crystal structure prediction, and biomolecular …

Contrasting Ultra-Low Frequency Raman and Infrared Modes in Emerging Metal Halides for Photovoltaics

VJY Lim, M Righetto, S Yan, JB Patel, T Siday… - ACS Energy …, 2024 - ACS Publications
Lattice dynamics are critical to photovoltaic material performance, governing dynamic
disorder, hot-carrier cooling, charge-carrier recombination, and transport. Soft metal-halide …

Phase Transitions, Dielectric Response, and Nonlinear Optical Properties of Aziridinium Lead Halide Perovskites

M Mączka, M Ptak, A Gągor, JK Zaręba… - Chemistry of …, 2023 - ACS Publications
Hybrid organic–inorganic lead halide perovskites are promising candidates for next-
generation solar cells, light-emitting diodes, photodetectors, and lasers. The structural …

Transferable machine learning interatomic potential for bond dissociation energy prediction of drug-like molecules

E Gelzinyte, M Öeren, MD Segall… - Journal of Chemical …, 2023 - ACS Publications
We present a transferable MACE interatomic potential that is applicable to open-and closed-
shell drug-like molecules containing hydrogen, carbon, and oxygen atoms. Including an …

Revealing the Free Energy Landscape of Halide Perovskites: Metastability and Transition Characters in CsPbBr3 and MAPbI3

E Fransson, JM Rahm, J Wiktor, P Erhart - Chemistry of Materials, 2023 - ACS Publications
Halide perovskites have emerged as a promising class of materials for photovoltaic
applications. A challenge of these applications is preventing the crystal structure from …

Structural dynamics descriptors for metal halide perovskites

X Liang, J Klarbring, WJ Baldwin, Z Li… - The Journal of …, 2023 - ACS Publications
Metal halide perovskites have shown extraordinary performance in solar energy conversion
technologies. They have been classified as “soft semiconductors” due to their flexible corner …

Polarizability models for simulations of finite temperature Raman spectra from machine learning molecular dynamics

E Berger, HP Komsa - Physical Review Materials, 2024 - APS
Raman spectroscopy is a powerful and nondestructive method that is widely used to study
the vibrational properties of solids or molecules. Simulations of finite-temperature Raman …

Impact of Organic Spacers and Dimensionality on Templating of Halide Perovskites

E Fransson, J Wiktor, P Erhart - ACS Energy Letters, 2024 - ACS Publications
Two-dimensional (2D) halide perovskites (HPs) are promising materials for various
optoelectronic applications; yet, a comprehensive understanding of their dynamics is still …

Excitons in metal-halide perovskites from first-principles many-body perturbation theory

L Leppert - The Journal of chemical physics, 2024 - pubs.aip.org
Metal-halide perovskites are a structurally, chemically, and electronically diverse class of
semiconductors with applications ranging from photovoltaics to radiation detectors and …

Understanding Correlations in BaZrO3: Structure and Dynamics on the Nanoscale

E Fransson, P Rosander, P Erhart… - Chemistry of …, 2023 - ACS Publications
Barium zirconate (BaZrO3) is one of few perovskites that is claimed to retain an average
cubic structure down to 0 K at ambient pressure while being energetically very close to a …