This collection explores the fascinating intersection where the laws of physics meet the complex machinery of chemistry. Here, researchers investigate how quantum mechanics governs molecular bonds, how light interacts with matter at the atomic scale, and how fundamental forces shape chemical reactions. It is a realm where abstract mathematical models collide with tangible substances to reveal the hidden mechanisms driving our material world.

On Gist.Science, we process every new preprint in this category directly from arXiv to make these discoveries accessible to everyone. Whether you are a seasoned expert or a curious reader, you will find both plain-language explanations and detailed technical summaries for each paper. Below are the latest contributions from the community pushing the boundaries of physical chemistry.

Full ab initio atomistic approach for morphology prediction of hetero-integrated crystals: A confrontation with experiments

This paper presents a comprehensive first-principles atomistic approach using density functional theory to predict the equilibrium morphology of hetero-integrated crystals, which is validated by the strong agreement between its predictions for GaP on Si and experimental Transmission Electron Microscopy observations.

Sreejith Pallikkara Chandrasekharan, Sofia Apergi, Chen Wei, Federico Panciera, Laurent Travers, Gilles Patriarche, Jean-Christophe Harmand, Laurent Pedesseau, Charles Cornet2026-02-24🔬 physics.app-ph

Halogen-Terminated Carbon Atomic Wires by Laser Ablation in Halogenated Organic Solvents: Synthesis and Characterization

This paper reports the successful synthesis and comprehensive characterization of halogen-terminated carbon atomic wires (halopolyynes) via pulsed laser ablation in halogenated organic solvents, demonstrating that halogen terminations act as auxochromes that extend conjugation and tune the electronic and optical properties of sp-carbon backbones.

Pietro Marabotti, Simone Melesi, Piotr Pińkowski, Bartłomiej Pigulski, Sonia Peggiani, Alice Cartoceti, Patrick Serafini, Barbara Rossi, Valeria Russo, Sławomir Szafert, Carlo Spartaco Casari2026-02-24🔬 cond-mat.mes-hall

Ab Initio Calculations of the Static and Dynamic Polarizability of BaOH

This paper presents high-precision relativistic coupled-cluster calculations of the static and dynamic polarizabilities for the ground and (010) vibrational states of BaOH, establishing a rigorous uncertainty quantification procedure and validating the results through comparison with experimental dipole moment data.

E. H. Prinsen, A. Borschevsky, S. Hoekstra, A. K. Dutta, S. Chakraborty, B. J. Schellenberg, L. F. Pašteka, I. A. Aucar2026-02-24🔬 physics.atom-ph

Effects of Hydrogen Transport on the Kinetic Regimes of 4-Nitrophenol Reduction by Sodium Borohydride

This paper challenges the conventional pseudo-first-order kinetic model for 4-nitrophenol reduction by demonstrating that hydrogen transport mechanisms—specifically the competition between diffusive transport and bubble-mediated escape—dictate the observed reaction regimes and apparent catalyst activity, necessitating a revised kinetic model for accurate benchmarking.

Tatiana Nizkaia, Philipp Groppe, Valentin Müller, Jens Harting, Susanne Wintzheimer, Paolo Malgaretti2026-02-24🔬 physics

Sub-1-Angstrom-Resolution Imaging Reveals Phase Contrast Transition in Ice Ih Caused by Basal Stacking Faults

Using sub-1-angstrom-resolution imaging, this study reveals that honeycomb-like patterns in hexagonal ice (Ih) often result from basal stacking faults rather than single-crystal oxygen columns, thereby clarifying the structural relationships among ice phases and demonstrating the material's defect tolerance.

Jingshan S. Du, Suvo Banik, Lehan Yao, Shuai Zhang, Subramanian K. R. S. Sankaranarayanan, James J. De Yoreo2026-02-24🔬 cond-mat.mtrl-sci

AgentCAT: An LLM Agent for Extracting and Analyzing Catalytic Reaction Data from Chemical Engineering Literature

This paper introduces AgentCAT, a large language model agent that overcomes data bottlenecks in chemical engineering by extracting catalytic reaction data from literature into a dependency-aware knowledge graph, enabling robust schema-governed extraction and natural language-based interactive analysis across approximately 800 peer-reviewed publications.

Wei Yang, Zihao Liu, Tao Tan, Xiao Hu, Hong Xie, Lulu Li Xin Li, Jianyu Han, Defu Lian, Mao Ye2026-02-24🤖 cs.AI