Olof Gutowski
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View article: Battery Imaging Library: Multi-length scale and multi-modal synchrotron and laboratory battery imaging data for all
Battery Imaging Library: Multi-length scale and multi-modal synchrotron and laboratory battery imaging data for all Open
Battery research increasingly relies on advanced imaging, yet open access to such data remains rare, scattered across various sources, and difficult to find. The Battery Imaging Library (BIL) is the first open, curated collection of multi-…
View article: Impact of Secondary Phases on the Electrochemical Performance of Li<sub>6.4</sub>La<sub>3</sub>Zr<sub>1.4</sub>Ta<sub>0.6</sub>O<sub>12</sub> Garnet Solid Electrolytes through Grain Boundary Engineering
Impact of Secondary Phases on the Electrochemical Performance of Li<sub>6.4</sub>La<sub>3</sub>Zr<sub>1.4</sub>Ta<sub>0.6</sub>O<sub>12</sub> Garnet Solid Electrolytes through Grain Boundary Engineering Open
View article: Microstructure formation during gas flow-assisted additive manufacturing of a metallic glass powder on ground and in microgravity
Microstructure formation during gas flow-assisted additive manufacturing of a metallic glass powder on ground and in microgravity Open
We studied bulk metallic glasses produced from gas flow-assisted laser-based powder bed fusion process, which is capable of additive manufacturing metallic parts in microgravity. A Zr-based bulk metallic glass composition Zr $$_{59.3}$$ …
View article: P21.1 at PETRA III – a high-energy X-ray diffraction beamline for physics and chemistry
P21.1 at PETRA III – a high-energy X-ray diffraction beamline for physics and chemistry Open
Beamline P21.1 at PETRA III uses high-energy photons for the investigation of materials structure by diffraction methods. The instrumentation is particularly suited for probing ordering phenomena on a local scale in chemistry and physics. …
View article: Revealing solidification behaviour and phase transformations in Fe60Co25Ni10Mo5 and Fe63Co26Ni11 alloys by using high-speed video and in situ X-ray diffraction
Revealing solidification behaviour and phase transformations in Fe60Co25Ni10Mo5 and Fe63Co26Ni11 alloys by using high-speed video and in situ X-ray diffraction Open
View article: Discovery of giant unit-cell super-structure in the infinite-layer nickelate PrNiO2+x
Discovery of giant unit-cell super-structure in the infinite-layer nickelate PrNiO2+x Open
View article: Dynamics of lifting the Au(111) reconstruction in perchloric acid electrolyte
Dynamics of lifting the Au(111) reconstruction in perchloric acid electrolyte Open
The striped p × √3 reconstruction of Au(111) is a textbook example of how electrode surfaces reorganise in response to an applied potential.
View article: Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets
Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets Open
X‐ray Diffraction Computed Tomography (XRD‐CT) represents a cutting‐edge method for non‐destructive material analysis, offering the unique capability of providing molecular‐level information with spatial resolution. In this study, we have …
View article: Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets
Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets Open
X‐ray Diffraction Computed Tomography (XRD‐CT) represents a cutting‐edge method for non‐destructive material analysis, offering the unique capability of providing molecular‐level information with spatial resolution. In this study, we have …
View article: Antisolvent controls the shape and size of anisotropic lead halide perovskite nanocrystals
Antisolvent controls the shape and size of anisotropic lead halide perovskite nanocrystals Open
View article: 3D distribution of biomineral and chitin matrix in the stomatopod dactyl club by high energy XRD-CT
3D distribution of biomineral and chitin matrix in the stomatopod dactyl club by high energy XRD-CT Open
Stomatopods are ferocious hunters that use weaponized appendages to strike down their pray. The clubs of species such as Odontodactylus scyllarus undergo tremendous forces, and in consequence they have intricate structures, consisting of h…
View article: Obtaining parallax-free X-ray powder diffraction computed tomography data with a self-supervised neural network
Obtaining parallax-free X-ray powder diffraction computed tomography data with a self-supervised neural network Open
In this study, we introduce a method designed to eliminate parallax artefacts present in X-ray powder diffraction computed tomography data acquired from large samples. These parallax artefacts manifest as artificial peak shifting, broadeni…
View article: Carbon Xerogel as a Novel Minor Conductive Filler for Carbon‐Polymer Composite Bipolar Plates
Carbon Xerogel as a Novel Minor Conductive Filler for Carbon‐Polymer Composite Bipolar Plates Open
The current research explores the potential of carbon xerogel as a conductive filler in bipolar plates. The composites comprise graphite as the primary conductive filler and polypropylene as the binder. Carbon xerogel is introduced as a mi…
View article: A neural network reconstruction approach for obtaining parallax-free X-ray powder diffraction computed tomography data from large samples
A neural network reconstruction approach for obtaining parallax-free X-ray powder diffraction computed tomography data from large samples Open
In this study, we introduce a method designed to eliminate parallax artefacts present in X-ray powder diffraction computed tomography data acquired from large samples. These parallax artefacts manifest as artificial peak shifting, broadeni…
View article: Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets
Spatial and Temporal Visualization of Polymorphic Transformations in Pharmaceutical Tablets Open
X-ray Diffraction Computed Tomography (XRD-CT) represents a cutting-edge method for non-destructive material analysis, offering the unique capability of providing molecular-level information with spatial resolution. In this study, we have …
View article: Discovery of Giant Unit-Cell Super-Structure in the Infinite-Layer Nickelate PrNiO$_2$
Discovery of Giant Unit-Cell Super-Structure in the Infinite-Layer Nickelate PrNiO$_2$ Open
Spectacular quantum phenomena such as superconductivity often emerge in flat-band systems where Coulomb interactions overpower electron kinetics. Engineering strategies for flat-band physics is therefore of great importance. Here, using hi…
View article: Antisolvent controls the shape and size of anisotropic lead halide perovskite nanocrystals
Antisolvent controls the shape and size of anisotropic lead halide perovskite nanocrystals Open
Colloidal lead halide perovskite nanocrystals hold enormous potential for lighting applications due to their outstanding optical properties. Precise control of the nanocrystal dimensions and composition is a prerequisite for establishing p…
View article: Direct Synthesis of CuPd Icosahedra Supercrystals Studied by In Situ X‐Ray Scattering
Direct Synthesis of CuPd Icosahedra Supercrystals Studied by In Situ X‐Ray Scattering Open
Nanocrystal self‐assembly into supercrystals provides a versatile platform for creating novel materials and devices with tailored properties. While common self‐assembly strategies imply the use of purified nanoparticles after synthesis, co…
View article: Platinum Oxide Formation under Oxygen Evolution Reaction Conditions
Platinum Oxide Formation under Oxygen Evolution Reaction Conditions Open
Electrocatalyst degradation, often caused by oxidative processes, forms a large barrier for the wide-spread application of electrolysers and fuel cells, which are crucial for a sustainable energy society. A detailed understanding of the ca…
View article: Composition-Dependent Alloy Nanoparticle Shape Changes under Reaction Conditions: Kinetic and Thermodynamic Effects
Composition-Dependent Alloy Nanoparticle Shape Changes under Reaction Conditions: Kinetic and Thermodynamic Effects Open
Particle sintering and reshaping constitute the main cause for catalyst deactivation. An atomic-scale understanding of the correlation among the catalyst structure, its support, and the gas phase under realistic reaction conditions is requ…
View article: Navigating harsh ageing: Unraveling galvanostatic corrosion effects on different constituents of carbon-polymer composite bipolar plates for vanadium redox flow batteries
Navigating harsh ageing: Unraveling galvanostatic corrosion effects on different constituents of carbon-polymer composite bipolar plates for vanadium redox flow batteries Open
Bipolar plates made of carbon-polymer composites with different conductive carbon fillers, viz. graphite and carbon black, were galvanostatically corroded in a high-valence vanadium electrolyte. The harsh ageing conditions led to surface o…
View article: Direct Synthesis of CuPd Icosahedra Supercrystals studied by in situ X-ray Scattering
Direct Synthesis of CuPd Icosahedra Supercrystals studied by in situ X-ray Scattering Open
Nanocrystal self-assembly into supercrystals provides a versatile platform for creating novel materials and devices with tailored properties. While common self-assembly strategies imply the use of purified nanoparticles after synthesis, co…
View article: Time-resolved high-energy X-ray diffraction studies of ultrathin Ni ferrite films on MgO(001)
Time-resolved high-energy X-ray diffraction studies of ultrathin Ni ferrite films on MgO(001) Open
Time-resolved high-energy X-ray diffraction was used during growth of ultrathin Ni x Fe 3− x O 4 films with varying Ni content (0 ≤ x ≤ 1.5) deposited on MgO(001) substrates by reactive molecular beam epitaxy, providing an insight into the…
View article: A neural network reconstruction approach for obtaining parallax-free X-ray powder diffraction computed tomography data from large samples
A neural network reconstruction approach for obtaining parallax-free X-ray powder diffraction computed tomography data from large samples Open
In this study, we introduce an innovative method designed to eliminate parallax artefacts present in X-ray powder diffraction computed tomography data acquired from large samples. Our approach integrates a unique 3D neural network architec…
View article: Parallax xrd-ct datasets
Parallax xrd-ct datasets Open
Simulated and experimental xrd-ct sinogram data containing parallax artefacts (0-180 deg scans).
View article: Parallax xrd-ct datasets
Parallax xrd-ct datasets Open
Simulated and experimental xrd-ct sinogram data containing parallax artefacts (0-180 deg scans).
View article: Chemical and Structural In-Situ Characterization of Model Electrocatalysts by Combined Infrared Spectroscopy and Surface X-Ray Diffraction
Chemical and Structural In-Situ Characterization of Model Electrocatalysts by Combined Infrared Spectroscopy and Surface X-Ray Diffraction Open
Raw and treated data
View article: Chemical and Structural In-Situ Characterization of Model Electrocatalysts by Combined Infrared Spectroscopy and Surface X-Ray Diffraction
Chemical and Structural In-Situ Characterization of Model Electrocatalysts by Combined Infrared Spectroscopy and Surface X-Ray Diffraction Open
Raw and treated data
View article: Photodegradation of CuBi<sub>2</sub>O<sub>4</sub> Films Evidenced by Fast Formation of Metallic Bi using Operando Surface‐sensitive X‐ray Scattering**
Photodegradation of CuBi<sub>2</sub>O<sub>4</sub> Films Evidenced by Fast Formation of Metallic Bi using Operando Surface‐sensitive X‐ray Scattering** Open
CuBi 2 O 4 has recently emerged as a promising photocathode for photo‐electrochemical (PEC) water splitting. However, its fast degradation under operation currently poses a limit to its application. Here, we report a novel method to study …
View article: Photodegradation of CuBi2O4 Films Evidenced by Fast Formation of Metallic Bi using Operando Surface-sensitive X-ray Scattering
Photodegradation of CuBi2O4 Films Evidenced by Fast Formation of Metallic Bi using Operando Surface-sensitive X-ray Scattering Open
CuBi2O4 has recently emerged as a promising photocathode for photo-electrochemical (PEC) water splitting. However, its fast degradation under operation currently poses a limit to its application. Here, we report a novel method to study ope…