Institution
Federal Institute For Materials Research and Testing
Recent research
- BiologyOpen access
Abstract Heteroresistance is characterized by antibiotic-resistant subpopulations which can be underpinned by reversible gene duplication-amplification (GDA) of antibiotic resistance genes. It is often considered a precursor of stable resistance mutations. We investigated the evo...
- Materials & EnergyOpen access
Targeted fine-tuning of machine-learning interatomic potentials for phonons and phase transitions
Abstract Machine-learning interatomic potentials are widely used as computationally efficient surrogates for density functional theory in atomistic simulations, enabling large-scale and long-time modeling of materials systems. Here, we investigate how different fine-tuning strate...
- Engineering & TechnologyOpen access
Linking key features of commercial lithium-ion cells to thermal runaway effects
Predicting the thermal runaway (TR) characteristics of lithium-ion battery (LIB) cells based on easily accessible key cell features — such as i) cell format, ii) cathode type, iii) cell capacity and/or energy, and iv) state of charge (SOC) — would be highly beneficial. Herein, 10...
- Engineering & TechnologyOpen access
High-power laser beam welding (LBW) is a widely used joining technique for metallic materials. However, porosity defects frequently arise during the process, leading to significant degradation of weld properties. Accurate prediction of porosity remains challenging due to the high...
- Engineering & TechnologyOpen access
Value of Innovation as a metric to drive technology development
Innovation characterizes industrial, economic, and societal development. Within the domain of the built environment, technological advancements are continuously pursued to enhance structural safety, functionality, and cost efficiency. At the same time, the challenges associated w...
- Materials & EnergyOpen access
Supporting AI Readiness Through Digital Workflows in Materials Science
Materials science produces heterogeneous data across experiments, simulations, and industrial processes that often remain bound to local formats, manual procedures, and project‐specific software. Digital workflows address this fragmentation through explicit, repeatable, and machi...
- Climate & EnvironmentOpen access
Like all edible vegetable oils, olive oils can be contaminated with lipophilic organic pollutants such as polycyclic aromatic hydrocarbons (PAH). Olive oils are susceptible to PAH contamination, typically due to combined effects including environmental pollution, oil processing,...
- Climate & EnvironmentOpen access
Nanoparticle Analysis for Reference Materials: The Small-Angle X-ray Scattering Method
Abstract Reliable certification of nanoparticle reference materials is crucial for advancing nanoparticle analysis. Here, we demonstrate the use of small-angle X-ray scattering (SAXS) as a robust method for certifying a silver nanoparticle reference material (BAM-N008) exhibiting...
- Climate & EnvironmentOpen access
ABSTRACT The tightening regulatory landscape for per‑ and polyfluoroalkyl substances (PFAS) has created an urgent demand for robust analytical methods and reliable monitoring data to support risk management and regulatory compliance. Consequently, the analytical demands are incre...
- Climate & Environment
ABSTRACT The tightening regulatory landscape for per‑ and polyfluoroalkyl substances (PFAS) has created an urgent demand for robust analytical methods and reliable monitoring data to support risk management and regulatory compliance. Consequently, the analytical demands are incre...
- Materials & EnergyOpen access
We present a high-throughput approach for synthesizing palladium nanoparticles (PdNPs), which are widely used as catalysts in industrial processes, employing an aqueous reaction medium and a commercial reaction platform that enables parallel reactions under identical conditions....
- Engineering & TechnologyOpen access
Abstract This study investigates the partial and total replacement of CaSO 4 by BaCO 3 in calcium sulfoaluminate (CSA) cement systems through a systematic compositional series to examine the coupled effects of decreasing initial sulfate content, carbonate incorporation, and BaSO...
- Climate & EnvironmentOpen access
ABSTRACT Rock-inhabiting fungi thrive in subaerial oligotrophic environments, such as desert rocks, solar panels, and marble monuments, where organic carbon and nitrogen are scarce. We tested whether the rock-inhabiting fungus Knufia petricola showed a preference regarding nitrog...
- Engineering & TechnologyOpen access
Analysis of Thermohydraulic Spalling in Blended Cement Concrete
Abstract Recently, the construction industry has increasingly focused on the development of more sustainable transport infrastructure, such as tunnels, driven by the growing use of clinker-reduced cements. One major challenge in this context is fire exposure, which can lead to se...
- Engineering & Technology
Development and analysis of a mixed colloid standard with trace elements using AF4-ICP-MS
Environmental context Colloids are small, unstable particles that play important environmental roles in the transport of trace elements and can be analysed using asymmetrical flow field-flow fractionation (AF4) coupled to inductively coupled plasma–mass spectrometry (ICP-MS). A m...
- Engineering & TechnologyOpen access
Transmission diffuse EUV scattering by nanoscale Lamb waves in thin membranes
We report time-resolved diffuse extreme ultraviolet (EUV) scattering measurements of optically excited acoustic waves in thin Ti/SiN bilayers in transmission geometry. Following femtosecond optical excitation, the EUV diffuse scattering signal yields circular fringe patterns evol...
- Materials & EnergyOpen access
Abstract Bioimaging, sensing, and photonic applications of oxygen-sensitive luminophores such as near-infrared (NIR) emissive spin-flip complexes of earth-abundant chromium (CrIII) and triplet metal-to-ligand charge transfer complexes like ruthenium (RuII), osmium (OsII) or iridi...
- Engineering & TechnologyOpen access
Abstract Conserving fragile wooden artworks requires diagnostics that detect minimal structural changes without invasive intervention. We used a robotic-arm terahertz time-domain spectroscopy (THz TDS) system to study the centrepiece of the Marienaltar in Isenhagen Monastery (Han...
- Engineering & TechnologyOpen access
Abstract Additive manufacturing by DED-Arc enables the production of large and complex high-strength steel components. However, the residual stress state generated during deposition can be significantly altered when the component is separated from the substrate plate as a final m...