Recycling news & research

Global Battery Network publishes 2025 collection figure The organization, formerly known as Call2Recycle, says it helped collect more than 4,500 tons of end-of-life batteries last year. Recycling Today · 22 Jul 2026 Council news Book a tee - Season tickets, visitors, and groups - Southampton City Council Southampton Council · 22 Jul 2026 Council news Lane rental scheme in Southampton - Southampton City Council Southampton Council · 22 Jul 2026 Policy & government Occupations with growing demand: 2025 - gov.wales Welsh Government News · 22 Jul 2026 Policy & government Local authority budgeted expenditure on schools: April 2027 to March 2028 - gov.wales Welsh Government News · 22 Jul 2026 Research & science Noise Pollution and Household Sustainability: An Economic Approach arXiv:2607.18676v1 Announce Type: new Abstract: Examining the economic impact of noise pollution from a lens of household is a burgeoning field in the study of environmental sustainability. Economics studies cover the source, measure, consequence of noise pollution, as well as the econometric methods used to identify the causal impact of noise pollution on socioeconomic welfare. There are broad… arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science The Price of Quietness: How a Pandemic Affects City Dwellers' Response to Road Traffic Noise arXiv:2607.18677v1 Announce Type: new Abstract: Using the outbreak of COVID-19 in Singapore as a quasi-natural experiment, we investigate tenants' changing responses to road traffic noise in the rental housing market, using 46,980 transaction records between 2006 and 2022. Our difference-in-differences estimates show that road traffic noise decreases housing rents by 3.8% immediately after the … arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science Measuring AI innovation with trademark data arXiv:2607.18795v1 Announce Type: new Abstract: Researchers, managers and policymakers are exploring different approaches and data sources to map the development and the diffusion of Artificial Intelligence (AI). In this research note, we illustrate the opportunities offered by trademark data. We argue that AI trademarks can complement AI patents to capture different dimensions of AI innovation… arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science Dead Reckoning: Counting Your Customers Who Never Say Goodbye arXiv:2607.18623v1 Announce Type: cross Abstract: Firms in non-contractual commerce face the challenge of knowing how many customers they actually have because customers can stop buying without ever saying they have left. Buy-Till-You-Die models address this by estimating each customer's probability of being alive, a quantity called P(alive) and used in every major software tool for dashboards,… arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science vop_poc_nz: A Python Framework for Distributional Cost-Effectiveness and Value of Perspective Analysis arXiv:2512.03596v2 Announce Type: replace Abstract: Health economic evaluations are sensitive to the choice of analytical perspective (e.g., health system vs. societal). We present vop_poc_nz, a Python package for Distributional Cost-Effectiveness Analysis (DCEA), Markov cohort modeling, probabilistic sensitivity analysis, value of information, and explicit comparison of analytical perspectives… arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science Global Automation Atlas arXiv:2605.17086v2 Announce Type: replace Abstract: Automation can displace or complement labour, but this need not be constant across economies. Existing exposure measures typically assign fixed scores to tasks or occupations and capture cross-country variation through employment structure. Here we show that feasible automation depends jointly on task content and country-level conditions. We u… arXiv — econ.GN (General Economics preprints) · 22 Jul 2026 Research & science Sky-blue Solution-processed TADF and Hyperfluorescent OLEDs via a High-Work-Function PEDOT:PSS:PFI Hole Injection Layer arXiv:2607.18474v1 Announce Type: new Abstract: Solution-processed OLEDs offer a scalable route to large-area devices, but achieving competitive efficiency in multilayer stacks remains a challenge due to difficulties in hole injection as well as solvent orthogonality between layers. A hole injection layer (HIL) based on a blend of PEDOT:PSS and a perfluorinated ionomer (PFI) addresses both chal… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Evaluation-Recording Contamination in Learned Nano-Quadrotor Dynamics: A Fresh-Seed Audit arXiv:2607.18482v1 Announce Type: new Abstract: Learned flight-dynamics models are often trained on short windows extracted from longer recordings. Randomly splitting these windows can place dependent samples from the same physical flight in both training and evaluation sets. We audit this issue using a fixed snapshot of the NanoBench Crazyflie 2.1 dataset. The experiment holds evaluation fligh… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Switchable selective backscatter modulation via the Kerker effect arXiv:2607.18900v1 Announce Type: new Abstract: We design a reflective scatterer that operates only in the backscatter direction using modulation of the Kerker effect. This being a phenomena where the resonant modes of a scattering object produce total destructive interference in the backscatter direction. Our design consists of a dielectric shell and an interior metal element that provide the … arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Ambient Pressure-Driven Actuators and Shape-Morphing Metamaterials arXiv:2607.18982v1 Announce Type: new Abstract: Actuators which change shape in response to ambient pressure have great potential for use in extreme environments, from space to the deep ocean. Bi-layer actuators have so far not been explored to this end, despite their lightness and mechanical simplicity (there is no requirement for a separate power source or pump, for example) making them ideal… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science The Butterfly Defect Effect in Cylindrical Shell Buckling: Non-localized Interactions of Localized Imperfections arXiv:2607.19245v1 Announce Type: new Abstract: We investigate the buckling of axially compressed cylindrical shells containing localized defects, focusing on interactions among multiple defects and between them and the shell edges. Using high-fidelity finite-element simulations, we first characterize the parameter space of single-dimple sensitivity, defect-edge coupling, and pairwise defect-de… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Double anticrossings induced by nonlinear magnon interactions arXiv:2607.18807v1 Announce Type: cross Abstract: We observe pump-induced double anticrossings whose gap sizes and center-frequency shifts depend strongly on pump power, indicating a nonlinear mechanism. The anticrossings vanish at high magnetic fields, where energy conservation suppresses three-magnon splitting, thereby identifying the underlying process as three-magnon scattering. We attribut… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Fast reconstruction of tensor tomographic X-ray scattering data for real-time applications arXiv:2607.19124v1 Announce Type: cross Abstract: X-ray scattering tensor tomography reveals nanoscale structural orientation in 3D, but its reliance on slow iterative reconstruction limits real-time use. We introduce an extension of a direct reconstruction approach for parallel-beam geometries that computes algebraic filters approximating multiple iterative updates with a single filtering and … arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Direct Spatiotemporal Imaging of Charge Carrier Dynamics in Operative Semiconductor Devices arXiv:2607.19157v1 Announce Type: cross Abstract: Understanding charge carrier dynamics within electronic devices is crucial, as it governs both the internal evolution of signals and the externally measurable current. Yet, direct imaging of these dynamics remains elusive: existing approaches are often indirect or inherently perturbative. Here, we introduce Carrier Dynamics by Pockels Imaging (C… arXiv — physics.app-ph (Applied Physics preprints) · 22 Jul 2026 Research & science Towards a universal model for spin-orbit coupled Wannier Hamiltonians arXiv:2607.18403v1 Announce Type: new Abstract: While machine learning interatomic potentials (MLiPs) have matured to revolutionize material science, deep learning models for electronic structure are just beginning to emerge and restricted, almost exclusively, to non-orthogonal basis Hamiltonians. We introduce G(Wa)NN, the first deep-learning model capable of generating the electronic Hamiltoni… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Electron escape probability in high-efficiency photocathodes measured by reverse-injection photovoltage arXiv:2607.18420v1 Announce Type: new Abstract: The characterization of electron transfer through the emitting surface is of crucial importance for optimizing existing and developing new photocathodes. Here we propose and develop a method for the direct determination of the electron escape probability in high-efficiency semiconductor photocathodes. The proposed method is based on the variations… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Long Non-Exponential PL Decay from Localized Defect States in Monolayer WSe$_2$ at Low Temperature arXiv:2607.18423v1 Announce Type: new Abstract: We investigate the recombination dynamics of localized defect emission in monolayer WSe$_2$ using time-resolved photoluminescence over the temperature range from 4 to 120 K. The defect emission comprises a dominant sub-nanosecond exponential component and two weak, long-lived power-law channels extending from a few nanoseconds to several hundred n… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Vacancy Diffusion Across FeCrAl Alloy Composition Space for Accident-Tolerant Fuel Cladding arXiv:2607.18472v1 Announce Type: new Abstract: Iron-chromium-aluminium (FeCrAl) alloys are leading candidates for accident-tolerant fuel cladding in light-water reactors, where their superior high-temperature oxidation resistance promises to extend coping times during loss-of-coolant accidents. The in-reactor lifetime of cladding is ultimately governed by radiation-induced microstructural evol… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Data-Efficient Training of Linear ACE Potentials through Leverage-Guided Subset Selection of ASSYST Structure Pools arXiv:2607.18524v1 Announce Type: new Abstract: The construction of machine-learned interatomic potentials (MLIPs) is often limited by the cost of generating large density-functional-theory (DFT) training datasets. For systematically generated structure pools such as ASSYST, a central practical question is how many configurations must be labeled to achieve reliable accuracy. Here we assess geom… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Battery Material Comparisons Should Refocus on Diffusivity with Best Practices arXiv:2607.18590v1 Announce Type: new Abstract: The continuous demand for improved batteries motivates the discovery and advancement of materials with improved transport. Ionic diffusivity is the relevant material property where its measurement depends on accurate assessment of the active material length-scale, generally from the mass-specific surface area. In this perspective, we argue for ren… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science GQD-AdsNet: Graph Neural Networks Unlock Rapid Exploration of Transition Metal Adsorption on Graphene Quantum Dots arXiv:2607.18591v1 Announce Type: new Abstract: In recent years, interest in single-atom catalysts supported on carbon-based structures has grown considerably due to their high catalytic activity and efficient uses of metal atoms. However, the design and characterization of these materials through first-principles calculations are computationally expensive, limiting the exploration of a large n… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Data-driven Design of Metal-Organic Frameworks with Tunable Negative Thermal Expansion arXiv:2607.18594v1 Announce Type: new Abstract: Materials with negative thermal expansion (NTE) are essential for applications requiring precise control of thermal expansion. Owing to their exceptional chemical tunability, flexible architectures, and low-energy lattice vibrations, metal-organic frameworks (MOFs) represent a rich platform for exploring NTE. However, uncovering the structural mot… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Alchemical thermodynamic integration for ab initio free-energy calculations in solutions arXiv:2607.18750v1 Announce Type: new Abstract: We develop an alchemical thermodynamic integration scheme that couples ab initio force calculators on the fly during Monte Carlo and molecular dynamics simulations. The implementation is validated against existing hybrid-Hamiltonian approaches. The scheme yields ab initio free energies of high-pressure Fe-Ni and ambient Li-Na liquid solutions that… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Phase equilibria in MnSb2Te4-GeSb2Te4 system and magnetic properties of Mn1-xGexSb2Te4 solid solutions arXiv:2607.18925v1 Announce Type: new Abstract: As a sister compound of the antiferromagnetic topological insulator MnBi2Te4, MnSb2Te4 is also a candidate for exotic magnetic topological phases. On the other hand, the structurally analogous but nonmagnetic phase-change material GeSb2Te4 is also known to exhibit nontrivial band topology. Motivated by their shared crystal structure, the similar i… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Stereochemical Vacuum Gap Explains Out-of-Plane Thermal Insulation in MXenes arXiv:2607.18963v1 Announce Type: new Abstract: Two-dimensional MXenes are promising materials for thermal management and spectral camouflage, combining low out-of-plane thermal conductivity with low infrared emissivity and mechanical robustness. Yet the near-order-of-magnitude spread in experimental out-of-plane thermal conductivity measurements (0.14-0.8 W/mK) and the systematic overestimatio… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Sixteen-State Energy Mapping for First-Principles Four-Spin Ring Exchange: Validation on $La_2CuO_4$ and $SrFeO_2$ arXiv:2607.18986v1 Announce Type: new Abstract: Four-spin ring (cyclic) exchange $J_{ring}$ is an essential ingredient of the Heisenberg spin Hamiltonian of cuprates and other square-lattice magnets, yet it has lacked the kind of direct, local first-principles extraction that the four-state method provides for bilinear exchange, $J$. We supply it by generalizing that method to a sixteen-state (… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Deciphering Mechanoluminescence: How the Nature of Mechanical Stress and Structural Dimensionality Shape Mechanisms and Responses arXiv:2607.19003v1 Announce Type: new Abstract: Mechanoluminescent materials exhibit a broad spectrum of controllable light-emission responses to mechanical stimuli of varying types and magnitudes. Yet progress toward high-performance systems remains constrained by an incomplete and often contradictory mechanistic understanding. Here, density functional theory (DFT) calculations optimized for t… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Doping tunable charge density waves in misfit layer compounds arXiv:2607.19095v1 Announce Type: new Abstract: The ability to tune charge density waves (CDWs) through external control knobs, such as doping, pressure or strain is crucial for exploring the phase diagram of two dimensional (2D) or quasi-2D materials. Yet, controlling CDWs critical temperature and ordering vector remains a challenge for current experimental techniques. In this work, we establi… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Thermal and electrical conductivity of a refractory high-entropy alloy after high-pressure torsion: Electron versus phonon contributions arXiv:2607.19123v1 Announce Type: new Abstract: The equiatomic refractory high-entropy alloy TiZrHfNbTa was processed by high-pressure torsion (HPT) to investigate the effect of nanostructuring and defect engineering on thermal and electrical transport properties. Severe plastic deformation (SPD) via the HPT treatment induces substantial accumulation of dislocations, grain refinement to the nan… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science ATLAS: A Foundation Neural Sampler for Amorphous Materials arXiv:2607.19198v1 Announce Type: new Abstract: Amorphous materials exhibit exceptional mechanical and functional properties, yet their rugged energy landscapes are notoriously difficult to sample. Below the glass-transition temperature, conventional molecular dynamics and Monte Carlo become inefficient because equilibration relies on rare barrier-crossing events, while data-driven generative m… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Spatially resolved in-situ characterisation of competing martensitic transformation pathways during nanoscratch in 316H Stainless Steel arXiv:2607.19239v1 Announce Type: new Abstract: Localised surface deformation beneath frictional contacts generates a tribolayer whose microstructure and properties differ from the bulk. In austenitic stainless steels, this tribolayer forms through two competing martensitic transformation pathways. Here, these pathways are isolated in 316H stainless steel using in-situ synchrotron X-ray nanodif… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Time-resolved ARPES in pumped excitonic systems: Floquet physics induced by excitonic fields arXiv:2607.19242v1 Announce Type: new Abstract: We develop a theoretical framework based on the Dynamical Projective Operatorial Approach (DPOA) to study the time- and angle-resolved photoemission spectroscopy (TR-ARPES) of pumped excitonic systems. Including Coulomb electron-electron interactions at the Hartree-Fock (HF) level, our formalism captures the formation of excitonic bound states und… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Complete Hierarchy of Nonrelativistic Odd-Parity Spin Splitting in Collinear Magnets arXiv:2607.19303v1 Announce Type: new Abstract: Momentum-dependent nonrelativistic spin splitting provides a symmetry fingerprint of collinear magnets and can govern unconventional electronic, magnonic, and transport phenomena. Whereas even-parity $s$-, $d$-, $g$-, and $i$-wave splittings in collinear magnets have been extensively studied, odd-parity counterparts remain unexplored beyond the $p… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Coherent Magnons Driven by Photomodulated Anisotropy in Altermagnetic MnTe arXiv:2607.18421v1 Announce Type: cross Abstract: Manganese telluride ($\text{MnTe}$) has recently emerged as a prototypical $g$-wave altermagnet, providing an ideal platform to investigate the non-equilibrium excitations of altermagnetic order. Here, we report simultaneous spatial mapping of the local equilibrium orientation of the N\'eel vector, $\varphi_L(\mathbf{r})$, alongside the amplitud… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026 Research & science Wave propagation and hybridization of plasmonic modes in Maxwell-Chern-Simons pseudo-electrodynamics arXiv:2607.18520v1 Announce Type: cross Abstract: We investigate the propagation of classical plane waves and surface plasmon-polariton modes within the framework of pseudo-electrodynamics (PED) supplemented by a non-local Chern-Simons (CS) topological term. Starting from the dimensionally reduced action, we derive the decoupled second-order wave equations for the electromagnetic field, and for… arXiv — cond-mat.mtrl-sci (Materials Science preprints) · 22 Jul 2026