Recycling news: 2026

Research & science Many-body interactions in the dielectric theory of stopping power of solids for classical and quantum projectiles arXiv:2607.12498v1 Announce Type: new Abstract: We take account of the many-body dynamic interactions by including the wave-vector and frequency-dependent exchange and correlations (xc) kernel $f_{xc}(\qv,\omega)$ in the framework of the dielectric theory of the stopping power of crystals for moving charges. The cases of classical and quantum projectiles are considered. We find that (I) the rol… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Compatibility of Martensitic Microstructures in Polycrystals arXiv:2607.12572v1 Announce Type: new Abstract: The paper studies martensitic microstructures in polycrystals, focussing on their compatibility across grain boundaries. After a reduction to the case of a planar grain boundary, the case when the grain boundary separates two constant gradients of zero energy is considered. It is shown that for cubic-to tetragonal transformations such a configurat… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Emergent exchange bias in ultra-thin La0.67Sr0.33MnO3 films driven by ferro-antiferromagnetic phase coexistence arXiv:2607.12669v1 Announce Type: new Abstract: Ultra-thin La0.67Sr0.33MnO3 (LSMO) films are generally regarded as single-phase ferromagnets, yet their reduced dimensionality enhances the impact of oxygen stoichiometry and local structural distortions. Here we demonstrate that LSMO layers with thicknesses between 3 and 17 nm develop a robust and thickness-independent exchange bias (EB) despite … arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Antiphase boundary-driven large exchange bias and negative magnetoresistance in NiCo2O4 arXiv:2607.12740v1 Announce Type: new Abstract: Nickel-based spinel oxide has recently attracted significant attention due to its remarkable magneto-transport properties, promising various spintronic applications. In this study, we observe an exchange bias effect, where the magnetic hysteresis loop shifts both horizontally and vertically when single-phase nanocrystalline NiCo2O4 is cooled in th… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science The self-organized vacancy order in Pr$_9$Ge$_{16}$ arXiv:2607.12781v1 Announce Type: new Abstract: In this work, we report the discovery of a new crystal structure on the Ge-rich side of the Pr-Ge binary phase diagram. Using a high-temperature flux technique, we grew single crystals of $Pr_9Ge_{16}$, which adopt a previously unreported orthorhombic $Fdd$2 structure type featuring ordered Ge vacancies. We present the anisotropic magnetic propert… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Photogeneration and signatures of coherent phonons in time-resolved photoemission spectroscopy: First-principles time-dependent adiabatic GW approach arXiv:2607.12783v1 Announce Type: new Abstract: Coherent lattice dynamics can be observed in pump-probe time-resolved and angle-resolved photoemission spectroscopy (TR-ARPES) as a periodic modulation of intensity and energy of photoelectrons over probe time. We present an ab initio time-dependent GW approach including electron-phonon (e-ph) couplings to simulate the photogeneration of coherent … arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Strain-Tunable Shift Current and Magneto-Optical Kerr Effect in Multiferroic Altermagnet Fe2Mo3O8 arXiv:2607.12799v1 Announce Type: new Abstract: Altermagnetism has recently emerged as a compelling frontier in spintronics, seamlessly merging the agile tunability of ferromagnets with the hallmark merits of antiferromagnets. As a prototypical polar multiferroic featuring distinctive altermagnetism, Fe2Mo3O8 hosts an ideal playground for exploring the intricate interplay among ferroelectric po… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Single-orbital tight-binding model for chiral one-dimensional hybrid organic-inorganic lead halide perovskites arXiv:2607.12806v1 Announce Type: new Abstract: We present a single-orbital tight-binding model for the low-energy electronic states of the chiral one-dimensional hybrid organic-inorganic lead halide perovskite $\mathrm{(}R/S\mathrm{-PEA)PbI}_3$. The model is constructed from a single effective orbital on each of the four symmetry-related sites in the primitive unit cell and incorporates layer,… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Decoupling Strain-Rate Sensitivity and Deformation Length Scale Effects in Neutron-Irradiated Tungsten: A Coupled Nano-Indentation, HR-EBSD and Crystal Plasticity Study arXiv:2607.12960v1 Announce Type: new Abstract: Plastic deformation during strain-rate-controlled spherical nanoindentation is governed by the coupled evolution of constitutive strain-rate sensitivity and deformation length scale, making the intrinsic influence of strain rate difficult to isolate experimentally. This coupling is investigated in unirradiated and neutron-irradiated single-crystal… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Surface Phase-Field-Crystal-Helfrich model for out-of-plane deformations in thin crystalline sheets with lattice mismatch arXiv:2607.12997v1 Announce Type: new Abstract: Thin, flexible crystalline sheets exhibit unique elastic properties due to their ability to undergo out-of-plane deformations. Understanding this behavior requires a description that couples in-plane elasticity, out-of-plane deformation, and their coupling, taking the crystalline structure and its defects into account. We develop a multiscale desc… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Peak-Decomposition-Free Inverse Metrology of Hyperspectral Moir\'e Photoluminescence arXiv:2607.12325v1 Announce Type: cross Abstract: Hyperspectral photoluminescence (PL) of moir\'e transition-metal dichalcogenide heterobilayers encodes spatially varying exciton landscapes, but extracting that information is hampered by the ambiguity of multi-peak spectral decomposition. Here we develop a peak-decomposition-free inverse framework for quantitative optical metrology of effective… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Research on topological materials using ultrafast spectroscopy arXiv:2607.12536v1 Announce Type: cross Abstract: Topological materials, characterized by symmetry-protected nontrivial band structures such as Dirac cones and Weyl nodes, host diverse quantum phenomena, with potential applications in quantum transport, spintronics, and nonlinear optics. Ultrafast pump-probe spectroscopy has emerged as a powerful tool for exploring nonequilibrium dynamics in th… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science IceCAPA: patterning particles and microorganisms at a freezing front arXiv:2607.12574v1 Announce Type: cross Abstract: The ability to precisely pattern micro- and nano-scale objects on surfaces is important for a range of different applications. For example, colloidal patterning has been used to create plasmonic surfaces, light-emitting diodes or authentication marks, while microbial cell patterning can be applied to screening antibiotic response and cellular in… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science A critical consideration of X-ray detectors based on Ga2O3: excitation, carrier transport mechanisms and performance standardization arXiv:2607.12638v1 Announce Type: cross Abstract: X-ray detection underpins a wide range of applications in medicine, security, industrial inspection, scientific research for non-destructive imaging and material analysis. The rapid development of Ga2O3-based X-ray detectors offers a promising pathway toward next-generation detectors with high sensitivity, low noise, and harsh environment applic… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Influence of compaction pressure on the impedance of Gadolinium Doped Ceria electrolytes for IT-SOFCs arXiv:2607.12719v1 Announce Type: cross Abstract: Gadolinium doped ceria (GDC) is one promising oxygen-ion conducting ceramic electrolyte for intermediate-temperature solid oxide fuel cells (IT-SOFCs), due to its high ionic conductivity at reduced operating temperatures, favorable defect chemistry, and compatibility with a broad range of electrode materials [1,2]. Despite extensive understandin… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Phase-shifted multicomponent spin-charge nematicity in an altermagnet arXiv:2607.12824v1 Announce Type: cross Abstract: Altermagnets host spin-split Fermi surfaces without net magnetization. This intrinsically multicomponent electronic setting raises the possibility that familiar correlated electron phases acquire unconventional spin-charge structure. Here we report the discovery of altermagnetic nematicity in Co0.25NbSe2. Using spectroscopic-imaging scanning tun… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science TXL Fusion: A Hybrid Machine Learning Framework Integrating Chemical Heuristics and Large Language Models for Topological Materials Discovery arXiv:2511.04068v3 Announce Type: replace Abstract: Topological materials, including topological insulators (TIs) and topological semimetals (TSMs), offer promising platforms for quantum, spintronic, and low-dissipation electronic technologies. Their discovery, however, remains constrained by the high cost of first-principles calculations and the slow, resource-intensive nature of experimental … arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science High-Temperature Deformation Behavior of Co-Free Non-Equiatomic CrMnFeNi Alloy arXiv:2601.00619v3 Announce Type: replace Abstract: Cobalt-free high-entropy alloys (HEAs) have garnered interest for nuclear structural applications due to their good mechanical performance, thermal stability, and resistance to radiation-induced degradation, while avoiding long-lived Co radioisotopes. This study presents an experimental and computational investigation of the plastic deformatio… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Rate Equation for the Transfer of Interstitials across Interfaces between Equilibrated Crystals arXiv:2601.21808v2 Announce Type: replace Abstract: This work inspects the thermally activated transfer of solute particles across the interface between two interstitial solid solution phases that equilibrate internally by fast diffusion on conserved arrays of sites. When each phase is considered as an ergodic ensemble of particles, statistical mechanics predicts the occupancy of the transition… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Molecular Beam Epitaxy of Al$\mathrm{_{1-x}}$Sc$\mathrm{_{x}}$N Nanowires: Towards Group-III Nitride Piezoelectric Nanogenerators with Enhanced Response arXiv:2602.12956v2 Announce Type: replace Abstract: We study the molecular beam epitaxy of self-assembled Al$\mathrm{_{1-x}}$Sc$\mathrm{_{x}}$N nanowires on conductive TiN layers and demonstrate their application in piezoelectric nanogenerators. Wurtzite Al$\mathrm{_{1-x}}$Sc$\mathrm{_{x}}$N nanowires with uniform Sc incorporation are grown across a wide composition range (0<x<0.35). At substra… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Performance of universal machine learning potentials in global optimization of inorganic crystal structures arXiv:2602.23515v2 Announce Type: replace Abstract: Rapid development of universal machine learning potentials (uMLPs) and expansion of training data sets are reshaping the state of the art in atomistic simulation, highlighting the need for concurrent systematic benchmarking of their capabilities. Global optimization is among the most demanding uMLP applications because unconstrained exploratio… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science A coupled fully kinetic hydrogen transport and ductile phase-field fracture framework for modeling hydrogen embrittlement arXiv:2604.05574v2 Announce Type: replace Abstract: Modeling hydrogen embrittlement (HE) is a long-standing engineering challenge, which has experienced significant developments in recent years. Yet, there is a gap in modeling the effect of the kinetics of hydrogen segregation at dislocations and the resulting interaction between ductile tearing and hydrogen-induced brittle fracture. In this wo… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Sign-resolved nanoscale readout and control of hidden antiferromagnetic spin order arXiv:2604.21802v2 Announce Type: replace Abstract: Antiferromagnetic memories promise ultrafast, stray-field-free information storage. Yet perfect magnetic compensation conceals the information carrier itself: the sign of the N\'eel vector distinguishing two time-reversed states. Moreover, in future dense memories, the local polarity of N\'eel domains would need to be read out on the nanoscale… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science The influence of implantation conditions on dopant activation in Al-implanted 4H-SiC: A MD study applying an Al potential fitted to DFT barriers arXiv:2604.22434v2 Announce Type: replace Abstract: The non-monotonic dependence of Al dopant activation on implantation temperature in 4H-SiC has been experimentally observed, but its atomistic origin remains unclear. We present a molecular dynamics (MD) study of Al implantation at $500$,K and $900$,K over seven doses from $1\times10^{13}$ to $7.5\times10^{14}$,cm$^{-2}$, followed by up to $10… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Charge-Transfer Induced Reactivity in sp Carbon Atomic Wires: Towards 0-D sp-sp2 Nanostructures arXiv:2605.06186v2 Announce Type: replace Abstract: Carbon Atomic Wires (CAWs) are finite linear chains of sp-hybridized carbon atoms. Here the electrochemical reduction of CAWs in the form of polyynes (i.e. with alternated single-triple bonds) is reported. Upon applying a reducing potential to a solution containing polydispersed hydrogen-capped polyynes, the formation of a black precipitate wa… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Analytical approximations of dispersion laws and ultra-complex conductivity diagrams arXiv:2606.30004v2 Announce Type: replace Abstract: We study the probability of the emergence of ultra-complex conductivity diagrams in conductors that satisfy the tight-binding approximation and have the simple or body-centered cubic lattice. The presence of ultra-complex conductivity diagrams allows us to observe a number of highly nontrivial effects in strong magnetic fields, however, the pr… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science MolMiner: Toward Controllable, 3D-Aware, Fragment-Based Molecular Design arXiv:2411.06608v3 Announce Type: replace-cross Abstract: We introduce MolMiner, a fragment-based, geometry-aware, and order-agnostic autoregressive model for molecular design. MolMiner supports high-dimensional conditional control over twelve physicochemical and structural properties from partial specifications, constructs molecules via symmetry-aware fragment attachments, and conditions each … arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Double metasurfaces and Optimal transport arXiv:2503.04536v3 Announce Type: replace-cross Abstract: This paper constructs metalenses that separate homogeneous media with different refractive indices, refracting one domain into another while conserving a prescribed energy distribution. Using optimal transport theory, we design singlet and doublet metalenses satisfying energy conservation by refraction, and obtain partial regularity of t… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Minute-long quantum coherence enabled by electrical depletion of magnetic noise arXiv:2504.13164v2 Announce Type: replace-cross Abstract: Integrating solid-state spin defects into classical electronic devices can enable new opportunities for quantum information processing that benefit from existing semiconductor technology. Here, we investigate the impact of bias control of an isotopically purified silicon carbide (SiC) p-i-n diode on the coherence of embedded spins. We sh… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Commensurate moir\'e superlattices in anisotropically strained twisted bilayer graphene arXiv:2603.19694v2 Announce Type: replace-cross Abstract: We investigate how anisotropic strain reorganizes commensurate moir\'e superlattices and electronic structure in twisted bilayer graphene (TBG) across a finite range of reference twist angles. Motivated by experiments showing robust moir\'e phenomenology under angular disorder and heterostrain (Kapfer et al., Science 381,677 (2023)), we … arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Accurate Self-Attention Wavefunctions at Large Scale arXiv:2607.08616v2 Announce Type: replace-cross Abstract: Self-attention neural networks provide powerful variational wavefunctions that surpass the expressivity of traditional variational ansatze. This expressivity, however, comes with increased computational complexity, raising a pressing question about scalability -- can such wavefunctions retain their accuracy at large system sizes? We appl… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 15 Jul 2026 Research & science Space-Time Modulated vs 2-Bit Reflect-Arrays: A Comparison of Main Beam Gain and Sidelobe Level Performance arXiv:2607.12342v1 Announce Type: new Abstract: This paper presents a comprehensive analysis of the phase errors introduced by 2-bit reflectarray architectures and investigates their impact on aperture synthesis for beam-steering applications. Building upon this analysis, an amplitude-aware synthesis technique based on space-time modulated (STM) reflect-arrays is proposed to mitigate the main-b… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science High-frequency magnetotransport in LaMnO3 samples synthesized by microwave irradiation versus conventional heating arXiv:2607.12689v1 Announce Type: new Abstract: Magnetoresistance of hole-doped LaMnO3 at frequencies above a few MHz has been seldom reported compared to numerous studies on magnetoresistance measured at direct current. Here, we contrast the high-frequency magnetoresistance in the frequency range f = 0.9-3 GHz in polycrystalline LaMnO3 (LMO) synthesized by microwave irradiation of oxide precur… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Are gate-all-around 2D CFETs the optimal architecture for the A2 node and beyond? arXiv:2607.12707v1 Announce Type: new Abstract: As logic scaling enters the angstrom era, vertically stacked complementary field-effect transistors (CFETs) based on atomically thin two-dimensional (2D) semiconductors offer a potential route to extend device scaling beyond the A2 node. Here, we develop an A2-oriented 2D CFET integration flow with a CPP of 36 nm and Lg of 10 nm and present initia… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Non-intrusive MEMS microphone sensing of acoustic field state in resonant acoustic levitators arXiv:2607.13026v1 Announce Type: new Abstract: Reliable operation of resonant acoustic levitators requires knowledge of the acoustic field state because the optimum transducer-reflector distance and resonant operating condition shift with wavelength, temperature, object insertion, and mechanical alignment. Existing adjustment methods are limited, especially for compact closed-loop operation an… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Direct Observation of Nanoscale Chiral Light-Matter Interactions Governed by Optical Chirality arXiv:2607.12435v1 Announce Type: cross Abstract: Optical chirality has been proposed as the fundamental quantity governing chiral light-matter interactions, but direct experimental verification has remained elusive. Here we realize an optical field with spatially modulated optical chirality and nearly uniform electric energy density, and provide the first direct experimental verification that … arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Traceable In Situ Microwave Power Measurement at the Cryogenic Device Plane in a Dilution Refrigerator arXiv:2607.12751v1 Announce Type: cross Abstract: Accurate knowledge of the microwave power delivered to a cryogenic device under test (DUT) is essential for the characterization and operation of superconducting quantum circuits. However, this information is difficult to obtain inside dilution refrigerators because of distributed attenuation, impedance mismatch, switch-path repeatability, and t… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Twist Engineering for Reconfigurable Optical and Optoelectronic Devices arXiv:2607.12754v1 Announce Type: cross Abstract: Reconfigurable optical and optoelectronic devices require compact tuning mechanisms capable of reshaping electronic, excitonic, polaritonic, and photonic responses without rebuilding the underlying nanostructure. Against this backdrop, twist has emerged as a powerful geometric degree of freedom that reconfigures interlayer coupling, momentum mat… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Resonance-enhanced integrated acousto-optic beam steering arXiv:2603.18191v2 Announce Type: replace Abstract: Optical beam steering is a key technology for free-space optical communication, sensing, and imaging. Mechanical beam steering systems suffer from limited scanning speed and bulky form factors, while existing solid-state solutions rely on pixelated synthetic aperture that requires complex fabrication and control architectures. Integrated acous… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026 Research & science Controller-decoder system requirements derived by implementing Shor's algorithm with surface code arXiv:2412.00289v3 Announce Type: replace-cross Abstract: Quantum Error Correction (QEC) is regarded as the most promising path to quantum advantage. The success of QEC relies on achieving quantum gate fidelities below the error threshold of the QEC code, while accurately decoding errors through classical processing of the QEC stabilizer measurements. In this paper, we uncover the critical syst… arXiv — physics.app-ph (Applied Physics preprints) · 15 Jul 2026