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Quasicrystals are fascinating structures, characterized by strong positional order but lacking the periodicity of a crystal. In colloidal systems, quasicrystals are typically predicted for particles with complex or highly specific…

软凝聚态物质 · 物理学 2022-02-28 Etienne Fayen , Marianne Impéror-Clerc , Laura Filion , Giuseppe Foffi , Frank Smallenburg

Molecular crystals often exist in multiple competing polymorphs, showing significantly different physico-chemical properties. Computational crystal structure prediction is key to interpret and guide the search for the most stable or useful…

材料科学 · 物理学 2016-09-16 Mariana Rossi , Piero Gasparotto , Michele Ceriotti

Machine learning (ML) models hold the promise of transforming atomic simulations by delivering quantum chemical accuracy at a fraction of the computational cost. Realization of this potential would enable high-throughout, high-accuracy…

We have developed a powerful method for crystal structure prediction from "scratch" through particle swarm optimization (PSO) algorithm within the evolutionary scheme. PSO technique is dramatically different with the genetic algorithm and…

材料科学 · 物理学 2012-05-11 Yanchao Wang , Jian Lv , Li Zhu , Yanming Ma

Periodic material or crystal property prediction using machine learning has grown popular in recent years as it provides a computationally efficient replacement for classical simulation methods. A crucial first step for any of these…

机器学习 · 计算机科学 2024-05-08 Jonathan Balasingham , Viktor Zamaraev , Vitaliy Kurlin

Crystal structure prediction (CSP) is emerging as a powerful method for the computational design of metal-organic frameworks (MOFs). In this article we employ CSP to perform high-throughput exploration of the crystal energy landscape of…

Crystal structure prediction (CSP) is now increasingly used in discovering novel materials with applications in diverse industries. However, despite decades of developments and significant progress in this area, there lacks a set of…

Rich data and powerful machine learning models allow us to design drugs for a specific protein target \textit{in silico}. Recently, the inclusion of 3D structures during targeted drug design shows superior performance to other target-free…

生物大分子 · 定量生物学 2023-03-08 Jiaqi Guan , Wesley Wei Qian , Xingang Peng , Yufeng Su , Jian Peng , Jianzhu Ma

Theoretical concepts in condensed matter physics are typically verified and also developed by exploiting computer simulations mostly in simple models. Predictions based on these usually isotropic models are often at odds with measurement…

软凝聚态物质 · 物理学 2020-11-13 K. Koperwas , A. Grzybowski , M. Paluch

X-ray diffraction (XRD) is an essential technique to determine a material's crystal structure in high-throughput experimentation, and has recently been incorporated in artificially intelligent agents in autonomous scientific discovery…

An important yet challenging aspect of atomistic materials modeling is reconciling experimental and computational results. Conventional approaches involve generating numerous configurations through molecular dynamics or Monte Carlo…

材料科学 · 物理学 2024-12-23 Tigany Zarrouk , Rina Ibragimova , Albert P. Bartók , Miguel A. Caro

X-ray absorption spectroscopy (XAS) is a powerful characterization technique for probing the local chemical environment of absorbing atoms. However, analyzing XAS data presents significant challenges, often requiring extensive,…

材料科学 · 物理学 2025-04-16 Shubha R. Kharel , Fanchen Meng , Xiaohui Qu , Matthew R. Carbone , Deyu Lu

To fully understand the 3D context of a single image, a visual system must be able to segment both the visible and occluded regions of objects, while discerning their occlusion order. Ideally, the system should be able to handle any object…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Jiayang Ao , Qiuhong Ke , Krista A. Ehinger

Understanding structure-property relationships is essential for advancing technologies based on thin films. X-ray pair distribution function (PDF) analysis can access relevant atomic structure details spanning local-, mid-, and long-range…

材料科学 · 物理学 2024-07-18 Danielle N. Alverson , Daniel Olds , Megan M. Butala

High-entropy alloys (HEAs) have attracted growing attention for their exceptional mechanical and thermal properties arising from complex atomic configurations. In this paper, we propose crystal fractional graph neural network for predicting…

计算物理 · 物理学 2026-05-12 Takanori Kotama , Yang Huang

Efficiently generating energetically stable crystal structures has long been a challenge in material design, primarily due to the immense arrangement of atoms in a crystal lattice. To facilitate the discovery of stable material, we present…

人工智能 · 计算机科学 2025-09-30 Zhelin Li , Rami Mrad , Runxian Jiao , Guan Huang , Jun Shan , Shibing Chu , Yuanping Chen

Crystal structure generation is fundamental to materials science, enabling the discovery of novel materials with desired properties. While existing approaches leverage Large Language Models (LLMs) through extensive fine-tuning on materials…

Understanding the chemical structure from a graphical representation of a molecule is a challenging image caption task that would greatly benefit molecule-centric scientific discovery. Variations in molecular images and caption subtasks…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Siqi Fan , Yuguang Xie , Bowen Cai , Ailin Xie , Gaochao Liu , Mu Qiao , Jie Xing , Zaiqing Nie

Organic molecular crystals are appealing for next-generation optoelectronic applications, most notably due to their multiexciton generation process that can increase the efficiency of photovoltaic devices. However, a general understanding…

材料科学 · 物理学 2021-11-01 Aaron R. Altman , Sivan Refaely-Abramson , Felipe H. da Jornada

Crystal structure prediction algorithms have become powerful tools for materials discovery in recent years, however, they are usually limited to relatively small systems. The main challenge is that the number of local minima grows…

材料科学 · 物理学 2022-02-09 Hao Gao , Junjie Wang , Yu Han , Jian Sun