Condensed matter physics and materials science form a dynamic partnership, exploring how the collective behavior of atoms gives rise to the unique properties of solids and liquids. This field bridges the gap between fundamental quantum mechanics and the practical engineering of everything from flexible electronics to superconductors, turning abstract theories into tangible innovations that shape our daily lives.

At Gist.Science, we process every new preprint in this category directly from arXiv to make these complex discoveries accessible to everyone. Our team generates both plain-language overviews and detailed technical summaries for each paper, ensuring that researchers, students, and curious minds alike can grasp the latest breakthroughs without getting lost in dense jargon.

Below are the latest papers in condensed matter and materials science, organized by their most recent publication dates.

Corrosion Evolution of T91 Steel in Static Lead-Bismuth Eutectic Under an Oxidising Environment

This study investigates the corrosion mechanisms of T91 steel in static lead-bismuth eutectic under high-temperature oxidizing conditions, revealing that grain boundary attack driven by chromium and oxygen diffusion can be mitigated by a stable oxide scale, while unexpectedly forming a unique iron-enriched body-centered cubic surface layer.

Minyi Zhang, Weiyue Zhou, Michael P. Short, Paul A. J. Bagot, Michael P. Moody, Felix Hofmann2026-04-15🔬 cond-mat.mtrl-sci

Wavelength-dependent photo-creep in halide perovskite single crystals

This study reveals that wavelength-dependent photo-creep in halide perovskite single crystals arises from a competition between ion migration, which promotes creep, and carrier trapping, which suppresses it, leading to distinct mechanical responses under different illumination conditions that challenge conventional semiconductor photo-plasticity models.

Ruitian Chen, Jincong Pang, Lizhong Lang, Jiaze Wu, Mingyu Xie, Shuo Yang, Kaiqi Qiu, Tobin Filleter, Kai Huang, Guangda Niu, Jiang Tang, Yu Zou2026-04-15🔬 cond-mat.mtrl-sci

Surface-enhanced Raman scattering and density functional theory study of selected-lanthanide-citrate complexes (lanthanide: Tb, Dy, Ho, Er, Tm, Yb and Lu)

This study combines surface-enhanced Raman scattering (SERS) experiments and density functional theory (DFT) calculations to characterize selected-lanthanide-citrate complexes (Tb through Lu), revealing systematic trends in relative peak intensities that are attributed to variations in lanthanide-oxygen interaction strength and local electronic distribution.

Hao Jin, Yuko S. Yamamoto2026-04-15🔬 cond-mat.mtrl-sci

Isolating Exciton Dissociation Pathways in ReSe2_{\text{2}}

Using time- and angle-resolved photoemission spectroscopy (TR-ARPES) to independently track exciton and carrier populations in bulk ReSe2_{\text{2}}, this study identifies exciton photoionization as the dominant microscopic mechanism for exciton dissociation, establishing a population-resolved strategy for resolving conversion pathways in strongly excitonic materials.

Bradley G. Guislain, Rysa Greenwood, Matteo Michiardi, Giorgio Levy, Sergey Zhdanovich, Jerry Icban Dadap, Sydney K. Y. Dufresne, Arthur K. Mills, Dario Armanno, Shawn Lapointe, Francesco Goto, Nicola (…)2026-04-15🔬 cond-mat.mtrl-sci

Agentic LLM Reasoning in a Self-Driving Laboratory for Air-Sensitive Lithium Halide Spinel Conductors

This paper introduces A-Lab GPSS, an agentic AI-driven robotic platform capable of autonomously synthesizing and characterizing air-sensitive lithium halide spinel conductors under strict air-free conditions, successfully optimizing discovery strategies through abductive and inductive reasoning to significantly increase the yield of high-purity, conductive materials.

Yuxing Fei, Bernardus Rendy, Xiaochen Yang, Junhee Woo, Xu Huang, Chang Li, Shilong Wang, David Milsted, Yan Zeng, Gerbrand Ceder2026-04-15🔬 cond-mat.mtrl-sci

Atomically-Thin Tsumoite (BiTe) based All-Photonic-Isolator, Information Converter, and Logic-Gate

This study demonstrates that atomically thin tsumoite (BiTe) exhibits exceptional third-order nonlinear optical properties, enabling the design of advanced all-photonic devices such as isolators, information converters, and logic gates for integrated signal processing.

Saswata Goswami, Caique Campos de Oliveira, Abhijith M. B., Varinder Pal, Vidya Kochat, Pulickel M. Ajayan, Samit K. Ray, Pedro A. S. Autreto, Chandra Sekhar Tiwary2026-04-15🔬 physics.optics

Quantum Geometry, Fractionalization, and Provability Hierarchy: A Unified Framework for Strongly Correlated Systems

This paper proposes a unified framework for strongly correlated systems that redefines Mott physics through five pioneering discoveries, including golden-ratio scaling of quantum metrics, Fibonacci-sequenced fractional Chern insulators, a Provability Hierarchy Theorem linking strange metals to QMA-hard complexity, geometric-phase-induced nonlinear Hall oscillations, and the quantum geometric tensor as a unified descriptor of band geometry and topology.

Zhanchun Li, Renwu Zhang2026-04-15🔬 cond-mat