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PEPS CONTRACTION ALGORITHMS FOR THE FINITE TRIANGULAR 3-TORUS WITH EXACT 72-FOLD ROTATIONAL SYMMETRY

Michael Aksman2026-08-19Zenodo (CERN European Organization for Nuclear Research)

The DSM-861 lattice is a finite triangular simplicial 3-torus with exactly N = 861 sites and enforced 72-fold rotational symmetry generated by the cyclic group C_72. This article is the definitive technical reference for Projected Entangled Pair States (PEPS) contraction on this geometry. All major algorithm families…

Advanced Combinatorial MathematicsQuasicrystal Structures and PropertiesCellular Automata and Applications

Borophene Nanosheets-Grafted Covalent Organic Framework: A 2D Hybrid Porous Material for Hydrogen Adsorption Studies

Anamika Gogoi、Somnath Sengupta、Abhishek Rathore 等 10 位作者2026-08-19Energy & Fuels

Abstract Two-dimensional hybrid porous materials depicted potential in recent years for advancing gas adsorption strategies, particularly in the field of physisorbed H2 storage to meet future energy demands. Owing to their unique features, hybrid porous materials exhibit enhanced induction interactions with H2, enabli…

Metal-Organic Frameworks: Synthesis and ApplicationsHydrogen Storage and MaterialsCovalent Organic Framework Applications

Redox‐Switchable Optical and Magnetic Properties in a Self‐Assembled Hexanuclear Ni(II) Double‐Decker Complex

Aristide Colin、Yiting Wang、François Lambert 等 13 位作者2026-08-19Chemistry - A European Journal

ABSTRACT We report the synthesis, crystal structure, and properties of a self‐assembled hexanuclear Ni 6 complex of formula [{(TMEDANi) 2 OH} 3 (HHTP) 2 ](OH) 3 , where H 6 HHTP is hexahydroxytriphenylene and TMEDA is N,N,N′,N′‐tetramethylethylenediamine. Single‐crystal x‐ray crystallography reveals a trigonal archite…

Organic and Molecular Conductors ResearchSupramolecular Chemistry and ComplexesMagnetism in coordination complexes

Spectral Noise Engineering: A Platform-Agnostic Co-Design Framework for Room-Temperature Quantum Coherence Extension

Alexandre Papa2026-08-19Zenodo (CERN European Organization for Nuclear Research)

We introduce Spectral Noise Engineering (SNE), a platform-agnostic framework for extending spin coherence times T₂ at room temperature through the co-design of material encapsulation layers and dynamic decoupling sequences. The framework is built on the Guaranteed Spectral Orthogonality (GSO) metric Λ, which quantifie…

Advanced NMR Techniques and ApplicationsDiamond and Carbon-based Materials ResearchElectron Spin Resonance Studies

Epitaxial stabilization of magnetic GdAuSb/LaAuSb superlattices

Patrick J. Strohbeen、Soohyun Im、Tamalika Samanta 等 10 位作者2026-08-19Physical Review Materials

We report the epitaxial stabilization of GdAuSb films and GdAuSb/LaAuSb superlattices via molecular beam epitaxy on (0001)-oriented ${\mathrm{Al}}_{2}{\mathrm{O}}_{3}$ substrates. GdAuSb crystallizes in the Au-Au dimerized YPtAs structure type (space group $P{6}_{3}/mmc$), the same structure as the Dirac semimetal LaA…

Rare-earth and actinide compoundsTopological Materials and PhenomenaIron-based superconductors research

Thermal history-dependent thermomechanical response of talc-filled and unfilled polypropylene

Yiheng Huang、Loredana Kehrer、Valerian Hirschberg 等 6 位作者2026-08-19Continuum Mechanics and Thermodynamics

Abstract The thermomechanical response of semicrystalline polypropylene (PP) depends not only on temperature and loading conditions, but also on its prior thermal state. While the effects of post-crystallization and annealing are well documented, the combined influence of these processes on thermal expansion, thermome…

Structural Analysis of Composite MaterialsPolymer Nanocomposites and PropertiesPolymer crystallization and properties

Electropolymerization of substituted tetraphenylporphyrins: electrodeposition features of polyporphyrins and their properties

M. V. Tesakova、V. I. Parfenyuk2026-08-19Journal of Materials Science Materials in Engineering

Abstract The kinetics of the electrodeposition process of polyporphyrins based on substituted tetraphenylporphyrins (5-(4-aminophenyl)-10,15,20-triphenylporphyrin, 5,15-di(4-aminophenyl)-10,20-diphenylporphyrin, 5,10,15-tri(4-aminophenyl)-20-phenylporphyrin, and 5,10,15,20-tetrakis(4-aminophenyl)porphyrin, 5-(4-hydrox…

Photodynamic Therapy Research StudiesPorphyrin and Phthalocyanine ChemistryConducting polymers and applications

PyAPX: python toolkit for atomic configuration pattern exploration

Akira Kusaba、Tetsuji Kuboyama、Tatoshi Yonemori 等 6 位作者2026-08-19Scientific Reports

Abstract In materials discovery, the integration of first-principles calculations with machine learning techniques has been actively studied for two key tasks: crystal structure prediction, which searches for stable structures given a chemical composition, and elemental substitution, which explores chemical compositio…

X-ray Diffraction in CrystallographyAdvanced Electron Microscopy Techniques and ApplicationsMachine Learning in Materials Science

Permeation Mechanisms of Calcium and Phosphate Ions into the Collagen Fibril Hole Zone

Rui Li、Dan Pan、Xiaoning Yang 等 4 位作者2026-08-19ACS Applied Polymer Materials

Abstract Collagen fibrils provide a templating scaffold for calcium phosphate deposition during bone mineralization, yet the molecular mechanism underlying the penetration of calcium and phosphate ions from the bulk phase into the collagen fibrils remains poorly understood. For the first time, we quantify the thermody…

Bone Tissue Engineering MaterialsCalcium Carbonate Crystallization and InhibitionCollagen: Extraction and Characterization

The impact of reward scalarization and weight scheduling on optimization dynamics in multi-objective molecular design

Lucas Leuschner、Palomino-Hernandez Oscar2026-08-19Journal of Cheminformatics

Inverse molecular design imposes multiple property constraints, requiring them to be combined into a scalar reward for reinforcement-learning (RL) fine-tuning; a step that can be highly sensitive to the reward formulation. Here, we systematically analyze how scalarization choices and stabilization mechanisms shape opt…

Machine Learning in Materials ScienceComputational Drug Discovery MethodsProcess Optimization and Integration

MOCLIP: a foundation model for large-scale nanophotonic inverse design

S. A. Rodionov、Arturo Burguete‐Lopez、Maksim Makarenko 等 6 位作者2026-08-19Nature Communications

Foundation models are transforming artificial intelligence by enabling generalizable, data-efficient solutions across diverse domains and applications. However, the lack of large and diverse datasets remains a key barrier to their development in nanophotonics. This work presents MOCLIP (Metasurface Optics Contrastive…

Metamaterials and Metasurfaces ApplicationsNeural Networks and Reservoir ComputingPlasmonic and Surface Plasmon Research

Random combinatorial libraries and automated nanoindentation for high-throughput structural materials discovery

Vivek Chawla、Dayakar Penumadu、Sergei Kalinin2026-08-19Communications Materials

Accelerating the discovery of structural materials is essential for advancing applications in hard and refractory alloys, hypersonic platforms, nuclear systems, and other extreme-environment technologies. However, progress is often constrained by slow synthesis–characterization cycles and the need for extensive mechan…

Advanced Electron Microscopy Techniques and ApplicationsMachine Learning in Materials ScienceAdvanced Materials Characterization Techniques

Mesoporous Thin Films as Nanoreactors for Complex Oxide Nanoparticle-Based Devices

S. Passanante、M. Quintero、A. Zelcer 等 7 位作者2026-08-19ACS Applied Nano Materials

Abstract We combine for the first time the properties of ordered mesoporous thin films and complex oxide nanoparticles in the design of heterostructures, taking advantage of the accessible tridimensional pore network. In this work, we demonstrate the feasibility of synthesizing La0.88Sr0.12MnO3 inside the pores of a m…

Chemical and Physical Properties of MaterialsElectronic and Structural Properties of OxidesMagnetic and transport properties of perovskites and related materials

波動性統一論 基本文書・導出ノート集(日本語版)

Miki Bonzo2026-08-19Zenodo (CERN European Organization for Nuclear Research)

【v7】重力セクターの相対論的完備化。基本文書をv2.3に更新し、導出ノートv4「重力セクターの相対論的完備化 — テンソルセクター・1PNラグランジアン・観測制約」を新設。(1) 第3章の式(3.1)(3.2)の符号を訂正 — 前版の組はΦ>0規約の下で斥力を与えていた。正しくは∇²Φ−;(4πG/c²)ρ、F=+mc²∇Φ。(2) 二体表式Φ_AB=Φ₀−(τ_A+τ_B)/r²の位置づけを訂正 — (3.1)は線形方程式であり二点源解は各天体からの距離の1/r型である。1/r²項はニュートン解ではなく1PN補正と再定義し、τ_A=(2β_PPN−1)G²m_A/(2c²)と確定。加法形が1PN二体問題の静的項の構造をそのまま…

Nonlinear Dynamics and Pattern FormationOrganic and Molecular Conductors ResearchNonlinear Photonic Systems

CCDC 2582011: Experimental Crystal Structure Determination

Martin Etter、Asifa Nigar、Naveed Zafar Ali 等 5 位作者2026-08-19The Cambridge Structural Database

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…

Crystallization and Solubility StudiesCrystallography and molecular interactionsX-ray Diffraction in Crystallography

Wilson lines with endpoints in 3d CFT

Nabil Iqbal、Navonil Neogi2026-08-19SciPost Physics

In Abelian gauge theories with dynamical matter, Wilson lines can end on the insertions of charged fields. We study the endpoints of Wilson lines in large N N bosonic QED _3 3 at its critical point. We first study the stability of an infinite Wilson line in the \mathbb{CP}^{N-1} ℂ ℙ N − 1 model by computing the approp…

Copper Interconnects and ReliabilityVibration and Dynamic AnalysisMaterial Properties and Processing

Computational Realization of Representational Scientific Discovery

Mohammad-Reza Ghods2026-08-19Zenodo (CERN European Organization for Nuclear Research)

A formally complete bounded representational space may contain every candidate expression permitted by a specified encoding, but explicit enumeration of such a space rapidly becomes computationally infeasible. This paper examines the computational and technological requirements for turning representational scientific…

Scientific Computing and Data ManagementPhilosophy and History of ScienceMachine Learning in Materials Science

Dynamic Ensembles of Phosphine-Stabilized Gold Nanoclusters

Caitlin A. McCandler、Disha Sanwal、Jutta Rogal2026-08-19arXiv

Atomically precise phosphine-stabilized gold nanoclusters are commonly characterized by single-crystal X-ray diffraction, yet the extent to which these static structures represent finite-temperature behavior remains unclear. To explore the free-energy landscapes, equilibrium populations, and isomerization kinetics of…

physics.atm-clusphysics.comp-phMaterials ScienceChemical Physics

Enhancement-Mode Vertical $β$-Ga$_2$O$_3$ U-Trench MOSFET with MOCVD Regrown n$^+$ Contact Layers and Nitrogen-Implanted Current Blocking Layer

Walid Amir、Jiawei Liu、Surajit Chakraborty 等 7 位作者2026-08-19arXiv

In this work, an implantation-free ohmic contact technology based on selectively MOCVD-regrown Si-doped n$^+$ layers is demonstrated for enhancement-mode vertical $β$-Ga$_2$O$_3$ U-trench MOSFETs. The regrown n$^+$ contact structure eliminates the need for implantation-based ohmic contact formation while maintaining e…

Materials Science

Cumulative X-ray Damage in Bismuth Selenide Examined by Simultaneous TXM and XRD

Sophie E Parsons、Bernard Kozioziemski、Daewoong Nam 等 24 位作者2026-08-19arXiv

Bismuth selenide (Bi2Se3) is a topological insulator with potential applications in thermoelectrics, spintronics, and optoelectronics. However, its response to radiation remains poorly understood. We investigate cumulative X-ray damage in Bi2Se3 using simultane- ous transmission X-ray microscopy (TXM) and X-ray diffra…

Materials Science