Materials Characterization

The focus is on advanced characterization of materials in various states using state-of-the-art infrastructure, including electron microscopy and X-ray-based methods, complemented by techniques involving ion beams, light, and magnetic fields. A primary objective is to enhance in-situ and in-operando diagnostics, allowing real-time analysis of processes such as electrochemical reactions during operation.

The capability to characterize bulk materials, powders, interfaces, surfaces, thin films as well as liquids or gases with highest resolution is crucial for scientific understanding. At Empa, we invest in and maintain a top-notch infrastructure in this regard, in particular with respect to electron microscopy and (stand-alone) X-ray based methods. Supplementary methods based on ion-beams, light or magnetic fields (NMR) are also of utmost importance. A very interesting new field is in-situ and in-operando diagnostics. That means that processes can be characterized in operation; one example thereof is in-operando characterization of electrochemical processes in transmission electron microscopy studies.


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Involved Labs
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We characterize the composition and microstructure of ceramic materials and composites and investigate their relationship to the physico-chemical properties with a emphasis on thermal, mechanical, electrical, and transport properties.
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We perform state-of-the-art investigations of the chemistry and electronic structure of functional thin films, multi-layers and their buried interfaces by laboratory-based hard X-ray photoelectron spectrometry.
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Probing material properties with cutting-edge spectroscopic and microscopic tools, revealing structure-function relationships at the nanoscale.

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The lab investigates mechanical materials properties from the nano to macro-scale using experimental, analytical, and computational techniques.
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The lab advances surface science and coatings, from fundamental research to industry applications, using nanoscale insights to develop innovative materials with enhanced functions.
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The lab is devoted to research and development at the forefront of novel organic materials and polymers with unique functional properties, designed to enable future technologies.

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The center operates scanning and transmission electron microscopes for advanced analytics and in particular in-situ characterization of functional nanomaterials in the area of catalysis, batteries and oxide-based quantum materials.
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The lab focuses on research and development in the field of engineering, studying in particular metallic materials, polymers, polymer-matrix composites and sandwich materials.
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We explore functionalized porous sorbents for CO₂ capture, using experiments and simulations to optimize materials like silica gels and MOFs and their composites. Designing and characterizing novel sorbents to enhance DAC efficiency at atmospheric moisture conditions.

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The lab investigates the microstructure and mechanical response of metallic materials under a wide range of temperature, environmental and loading conditions and develops models for assessing the mechanical integrity of components.
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The lab is interested in understanding the fundamental electronic, optoelectronic, thermal and ionic transport processes involved in atomically-precise nanostructures and low-dimensional materials.
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The center operates a knowledge and equipment pool to perform research, tests and inspections for industry, academic institutions and public authorities.

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The center develops multimodal X-ray methods (XRD, SAXS, imaging) to study amorphous and partially crystalline materials, enabling structural analysis and in operando investigations.
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The lab strives to solve industry-relevant challenges for sustainable energy conversion and storage technologies through materials and device innovation.