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cond-mat.mtrl-sci2026

Impact of interstitial carbon on local lattice distortions in CoCrFeMnNi high-entropy alloys

Alevtina Smekhova, Alexei Kuzmin, G. Mohan Muralikrishna +5

Here, we explore component-dependent local lattice distortions in polycrystalline, equiatomic, face-centered cubic CrMnFeCoNi high-entropy alloys and their modifications induced by…

cond-mat.mtrl-sci2026★ 1 cited

Machine learning via artificial neural networks coupled with density functional theory and experiments for thermodynamic optimization of high-entropy alloys for hydrogen storage at room temperature

Shivam Dangwal, Pranav Kumar, Yuji Ikeda +2

High-entropy alloys (HEAs) have received considerable attention for hydrogen storage because of their compositional flexibility; however, designing HEAs with optimal thermodynamics…

cond-mat.mtrl-sci2026

Accurate Nanoscale Mapping of Electric Fields across Random Grain Boundaries in Polycrystalline Oxides Using Precession-Assisted 4D-STEM

Sangjun Kang, Hyeyoung Cho, Maximilian Töllner +12

Space charge layers (SCLs) at grain boundaries play a crucial role in modulating local electric fields and influencing the functional properties of materials, such as oxygen vacanc…

cond-mat.mtrl-sci2026★ 1 cited

Finely Tunable Thermal Expansion of NiTi by Stress-Induced Martensitic Transformation and Thermomechanical Training

Won Seok Choi, Won-Seok Ko, Yejun Park +6

Tailoring the thermal expansion of martensitic materials by crystallographic texture and anisotropic variation of lattice parameters is a promising route to a flexible design of th…

cond-mat.mtrl-sci2026★ 8 cited

Microstructural origin of the simultaneous enhancements in strength and ductility of a nitrogen-doped high-entropy alloy

Xiaoxiang Wu, Zhujun Sun, Wenqi Guo +9

As one of the most abundant interstitial elements, nitrogen (N) is effective in improving yield strength of metallic materials, due to interstitial solid solution strengthening. Do…

cond-mat.mtrl-sci2026

Novel non-thermal Ablation Mechanics in the Laser Ablation of Silicon

Dominic Klein, Simon Kümmel, Johannes Roth

We investigate the non-thermal material dynamics of strongly excited silicon during ultra-fast laser ablation. In contrast to metals, silicon shows strongly excitation-dependent in…

cond-mat.mtrl-sci2026

Thermal and Microstructural Simulations of Photonic Sintering of Oxide Ceramics: A Two-Scale Scheme

Junlong Ma, Yangyiwei Yang, Julian N. Ebert +2

Photonic sintering (PS) offers an ultra-fast, contact-free alternative to conventional sintering and has demonstrated its potential for enhancing the sinterability of acceptor-dope…

cond-mat.mtrl-sci2025★ 3 cited

Hydrogen diffusion in TiCrH Laves phases: A combined ab initio and machine-learning-potential study

Pranav Kumar, Fritz Körmann, Kaveh Edalati +2

The kinetics of hydrogen diffusion in C15 cubic and C14 hexagonal TiCrH (0 < <= 4) Laves-phase hydrogen storage alloys is investigated with density functional theory (D…

cond-mat.mtrl-sci2025★ 17 cited

Ultrastrong and ductile CoNiMoAl medium-entropy alloys enabled by L12 nanoprecipitate-induced multiple deformation mechanisms

Min Young Sung, Tae Jin Jang, Sang Yoon Song +11

L12 precipitates are known to significantly enhance the strength and ductility of single-phase face-centered cubic (FCC) medium- or high-entropy alloys (M/HEAs). However, further i…

cond-mat.mtrl-sci2025★ 43 cited

Lattice distortions and non-sluggish diffusion in BCC refractory high entropy alloys

Jingfeng Zhang, Xiang Xu, Fritz Körmann +10

Refractory high-entropy alloys (RHEAs) have emerged as promising candidates for extreme high-temperature applications, for example, in next-generation turbines and nuclear reactors…

cond-mat.mtrl-sci2025★ 13 cited

Accurate complex-stacking-fault Gibbs energy in Ni3Al at high temperatures

Xiang Xu, Xi Zhang, Andrei Ruban +2

To gain a deeper insight into the anomalous yield behavior of Ni3Al, it is essential to obtain temperature-dependent formation Gibbs energies of the relevant planar defects. Here,…

cond-mat.mtrl-sci2025★ 4 cited

Machine-learning interatomic potentials achieving CCSD(T) accuracy for systems with extended covalent networks and van der Waals interactions

Yuji Ikeda, Axel Forslund, Pranav Kumar +4

Machine-learning interatomic potentials (MLIPs) enable large-scale atomistic simulations at moderate computational cost while retaining ab initio accuracy. MLIPs trained on coupled…

cond-mat.mtrl-sci2025★ 1 cited

Free-energy perturbation in the exchange-correlation space accelerated by machine learning: Application to silica polymorphs

Axel Forslund, Jong Hyun Jung, Yuji Ikeda +1

We propose a free-energy-perturbation approach accelerated by machine-learning potentials to efficiently compute transition temperatures and entropies for all rungs of Jacob's ladd…

cond-mat.mtrl-sci2025★ 74 cited

Roadmap for Photonics with 2D Materials

F. Javier García de Abajo, D. N. Basov, Frank H. L. Koppens +145

Triggered by the development of exfoliation and the identification of a wide range of extraordinary physical properties in self-standing films consisting of one or few atomic layer…

cond-mat.mtrl-sci2025★ 6 cited

Threshold Switching in Vertically Aligned MoS/SiO Heterostructures based on Silver Ion Migration

Jimin Lee, Rana Walied Ahmad, Sofía Cruces +7

Threshold switching (TS) is a phenomenon where non-permanent changes in electrical resistance of a two-terminal device can be controlled by modulating the voltage bias. TS based on…

cond-mat.mtrl-sci2025★ 20 cited

Volatile and Nonvolatile Resistive Switching in Lateral 2D Molybdenum Disulfide-Based Memristive Devices

Sofía Cruces, Mohit D. Ganeriwala, Jimin Lee +14

Developing electronic devices capable of emulating biological functions is essential for advancing brain-inspired computation paradigms such as neuromorphic computing. In recent ye…

cond-mat.mtrl-sci2025

A collapsed interface approach to resolve grain boundaries in finite element simulations of polycrystalline diffusion

Lena Scholz, Yongliang Ou, Blazej Grabowski +1

Atomic diffusion affects the properties of various engineering materials, which predominantly occur in the polycrystalline state. A rigorous description of polycrystalline diffusio…

cond-mat.mtrl-sci2025★ 9 cited

Machine Learning Potentials for Hydrogen Absorption in TiCr Laves Phases

Pranav Kumar, Fritz Körmann, Blazej Grabowski +1

The energetics of hydrogen absorption in C15 cubic and C14 hexagonal TiCrH Laves phases is investigated for with density functional theory (DFT) and machine l…

cond-mat.mtrl-sci2024★ 33 cited

Impact of synthesis method on the structure and function of high entropy oxides

Mario U. González-Rivas, Solveig S. Aamlid, Megan R. Rutherford +9

The term sample dependence describes the troublesome tendency of nominally equivalent samples to exhibit different physical properties. High entropy oxides (HEOs) are a class of ma…

cond-mat.mtrl-sci2024★ 11 cited

Accurate prediction of structural and mechanical properties on amorphous materials enabled through machine-learning potentials: a case study of silicon nitride

Ganesh Kumar Nayak, Prashanth Srinivasan, Juraj Todt +3

Amorphous silicon nitride (a-SiN) is a material which has found wide application due to its excellent mechanical and electrical properties. Despite the significant effort devoted i…

cond-mat.mtrl-sci2024★ 13 cited

Atomistic modeling of bulk and grain boundary diffusion in solid electrolyte LiPSCl using machine-learning interatomic potentials

Yongliang Ou, Yuji Ikeda, Lena Scholz +3

LiPSCl is a promising candidate for the solid electrolyte in all-solid-state Li-ion batteries. In applications, this material is in a polycrystalline state with grain bound…

cond-mat.mtrl-sci2024★ 44 cited

Fermi-liquid behavior of non-altermagnetic RuO

Maxim Wenzel, Ece Uykur, Sahana Rößler +5

Presence of magnetism in potentially altermagnetic RuO has been a subject of intense debate. Using broadband infrared spectroscopy combined with density-functional band-structu…

cond-mat.mtrl-sci2024★ 9 cited

Effect of high pressure synthesis conditions on the formation of high entropy oxides

Solveig Stubmo Aamlid, Minu Kim, Mario U. González-Rivas +3

High entropy materials are often entropy stabilized, meaning that the configurational entropy from multiple elements sharing a single lattice site stabilizes the structure. In this…

cond-mat.mtrl-sci2024★ 14 cited

Roadmap for Animate Matter

Giorgio Volpe, Nuno A. M. Araújo, Maria Guix +37

Humanity has long sought inspiration from nature to innovate materials and devices. As science advances, nature-inspired materials are becoming part of our lives. Animate materials…