Sol M. Grüner
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View article: High-energy X-ray imaging with a Germanium MM-PAD hybrid pixel detector
High-energy X-ray imaging with a Germanium MM-PAD hybrid pixel detector Open
Germanium is a high-Z sensor material with excellent energy resolution and attractive properties for high-energy photon detection. Despite its advantages, the need for cryogenic operation and challenges in the fabrication of pixelated high…
View article: Hierarchically ordered porous transition metal compounds from one-pot type 3D printing approaches
Hierarchically ordered porous transition metal compounds from one-pot type 3D printing approaches Open
Solution-based soft matter self-assembly (SA) promises unique material structures and properties from approaches including additive manufacturing/three-dimensional (3D) printing. The 3D printing of periodically ordered porous functional in…
View article: 3D printed mesoporous superconductors with periodic order on three length scales and enhanced properties via block copolymer directed self-assembly
3D printed mesoporous superconductors with periodic order on three length scales and enhanced properties via block copolymer directed self-assembly Open
Solution-based soft matter self-assembly (SA) promises unique materials properties from approaches including additive manufacturing/three-dimensional (3D) printing. We report direct ink writing derived, hierarchically porous transition met…
View article: Characterizing electron-collecting CdTe for use in a 77 ns burst-rate imager
Characterizing electron-collecting CdTe for use in a 77 ns burst-rate imager Open
The Keck-PAD (pixel array detector) was developed at Cornell as a burst-rate imager capable of recording images from successive electron bunches (153 ns period) from the Advanced Photon Source (APS). Both Si and hole-collecting Schottky Cd…
View article: Low-temperature photocatalytic dry reforming of methane over porous cylindrical, gyroidal, and asymmetric catalyst structures
Low-temperature photocatalytic dry reforming of methane over porous cylindrical, gyroidal, and asymmetric catalyst structures Open
Recent advances in the photocatalytic activation of dry reforming of methane (DRM: CO2 + CH4 → 2CO + 2H2) at low temperature and ambient pressure have generated considerable interest as a promising route to convert greenhouse gases into va…
View article: Considerations about future hard x-ray area detectors
Considerations about future hard x-ray area detectors Open
X-ray sources continue to advance in both intensity and temporal domains, thereby opening new ways to analyze the structure and properties of matter, provided that the resultant x-ray images can be efficiently and quantitatively recorded. …
View article: Ultrafast radiographic imaging and tracking: An overview of instruments, methods, data, and applications
Ultrafast radiographic imaging and tracking: An overview of instruments, methods, data, and applications Open
Ultrafast radiographic imaging and tracking (U-RadIT) use state-of-the-art ionizing particle and light sources to experimentally study sub-nanosecond transients or dynamic processes in physics, chemistry, biology, geology, materials scienc…
View article: Ultrafast Radiographic Imaging and Tracking: An overview of instruments, methods, data, and applications
Ultrafast Radiographic Imaging and Tracking: An overview of instruments, methods, data, and applications Open
Ultrafast radiographic imaging and tracking (U-RadIT) use state-of-the-art ionizing particle and light sources to experimentally study sub-nanosecond dynamic processes in physics, chemistry, biology, geology, materials science and other fi…
View article: Advanced Mixed-Mode Pixel Array Detector for X-rays Above 20 keV (Final Report)
Advanced Mixed-Mode Pixel Array Detector for X-rays Above 20 keV (Final Report) Open
The objective of the work reported upon was to perform research and development and test advanced prototype imaging x-ray detectors needed to meet pressing scientific research needs at U.S. x-ray synchrotron user facilities. The high x-ray…
View article: Transferring orbital angular momentum to an electron beam reveals toroidal and chiral order
Transferring orbital angular momentum to an electron beam reveals toroidal and chiral order Open
Orbital angular momentum (OAM) and torque transfer play central roles in a wide range of magnetic textures and devices including skyrmions and spin-torque electronics. Analogous topological structures are now also being explored in ferroel…
View article: High spatial resolution direct conversion amorphous selenium X-ray detectors with monolithically integrated CMOS readout
High spatial resolution direct conversion amorphous selenium X-ray detectors with monolithically integrated CMOS readout Open
Recent progress in the field of micron-scale spatial resolution direct conversion X-ray detectors for high-energy synchrotron light sources serve applications ranging from nondestructive and noninvasive microscopy techniques which provide …
View article: Characterization of 128 × 128 MM-PAD-2.1 ASIC: a fast framing hard x-ray detector with high dynamic range
Characterization of 128 × 128 MM-PAD-2.1 ASIC: a fast framing hard x-ray detector with high dynamic range Open
We characterize a new x-ray Mixed-Mode Pixel Array Detector (MM-PAD-2.1) Application Specific Integrated Circuit (ASIC). Using an integrating pixel front-end with dynamic charge removal architecture, the MM-PAD-2.1 ASIC extends the maximum…
View article: Characterization of 128x128 MM-PAD-2.1 ASIC: A Fast Framing Hard X-Ray Detector with High Dynamic Range
Characterization of 128x128 MM-PAD-2.1 ASIC: A Fast Framing Hard X-Ray Detector with High Dynamic Range Open
We characterize a new x-ray Mixed-Mode Pixel Array Detector (MM-PAD-2.1) Application Specific Integrated Circuit (ASIC). Using an integrating pixel front-end with dynamic charge removal architecture, the MM-PAD-2.1 ASIC extends the maximum…
View article: Characterization of a Small-Scale Prototype Detector With Wide Dynamic Range for Time-Resolved High-Energy X-Ray Applications
Characterization of a Small-Scale Prototype Detector With Wide Dynamic Range for Time-Resolved High-Energy X-Ray Applications Open
We present characterization measurements of a fast-framing, wide-dynamic-range x-ray area detector intended for high-energy applications (≥20 keV photons). The MM-PAD-2.1 combines an integrating pixel front-end with a charge-removal mechan…
View article: Charge-integrating hybrid pixel-array detectors for X-ray science and electron microscopy
Charge-integrating hybrid pixel-array detectors for X-ray science and electron microscopy Open
Electron microscopes and synchrotron x-ray light sources are powerful tools for probing the nature of matter down to the atomic scale.In order to extract the maximum benefit from these tools, detector development must keep pace with advanc…
View article: Wide Dynamic Range, 10 kHz Framing Detector for 4D-STEM
Wide Dynamic Range, 10 kHz Framing Detector for 4D-STEM Open
Hybrid pixel array detectors (PADs) have expanded the fidelity, frame rate and dynamic range for diffractive imaging in electron microscopes. With their high detective quantum efficiencies (DQE), the noise performance limited is by countin…
View article: Solution scattering and high-pressure biology
Solution scattering and high-pressure biology Open
The degree to which hydrostatic pressure alters the structure of a biomolecule is directly related to how well its atoms and those of the surrounding solvent are packed.Though protein cores are generally quite densely packed and incompress…
View article: Patternable Mesoporous Thin Film Quantum Materials via Block Copolymer Self-Assembly: An Emergent Technology?
Patternable Mesoporous Thin Film Quantum Materials via Block Copolymer Self-Assembly: An Emergent Technology? Open
Recent developments in quantum materials hold promise for revolutionizing energy and information technologies. The use of soft matter self-assembly, for example, by employing block copolymers (BCPs) as structure directing or templating age…
View article: Superconducting Quantum Metamaterials: Superconducting Quantum Metamaterials from High Pressure Melt Infiltration of Metals into Block Copolymer Double Gyroid Derived Ceramic Templates (Adv. Funct. Mater. 23/2021)
Superconducting Quantum Metamaterials: Superconducting Quantum Metamaterials from High Pressure Melt Infiltration of Metals into Block Copolymer Double Gyroid Derived Ceramic Templates (Adv. Funct. Mater. 23/2021) Open
In article number 2100469, Ulrich Wiesner and co-workers create quantum metamaterials in the form of double-gyroid structured indium metal superconductors via soft matter self-assembly. High pressure infiltration of molten metal into a blo…
View article: Superconducting Quantum Metamaterials from Convergence of Soft and Hard Condensed Matter Science
Superconducting Quantum Metamaterials from Convergence of Soft and Hard Condensed Matter Science Open
Superconducting quantum metamaterials are expected to exhibit a variety of novel properties, but have been a major challenge to prepare as a result of the lack of appropriate synthetic routes to high‐quality materials. Here, the discovery …
View article: Superconducting Quantum Metamaterials from High Pressure Melt Infiltration of Metals into Block Copolymer Double Gyroid Derived Ceramic Templates
Superconducting Quantum Metamaterials from High Pressure Melt Infiltration of Metals into Block Copolymer Double Gyroid Derived Ceramic Templates Open
Mesoscale order can lead to emergent properties including phononic bandgaps or topologically protected states. Block copolymers offer a route to mesoscale periodic architectures, but their use as structure directing agents for metallic mat…
View article: High-pressure small-angle X-ray scattering cell for biological solutions and soft materials
High-pressure small-angle X-ray scattering cell for biological solutions and soft materials Open
Pressure is a fundamental thermodynamic parameter controlling the behavior of biological macromolecules. Pressure affects protein denaturation, kinetic parameters of enzymes, ligand binding, membrane permeability, ion transduction, express…
View article: Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order
Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order Open
Orbital angular momentum and torque transfer play central roles in a wide range of magnetic textures and devices including skyrmions and spin-torque electronics(1-4). Analogous topological structures are now also being explored in ferroele…
View article: Preparation of Macroscopic Block‐Copolymer‐Based Gyroidal Mesoscale Single Crystals by Solvent Evaporation
Preparation of Macroscopic Block‐Copolymer‐Based Gyroidal Mesoscale Single Crystals by Solvent Evaporation Open
Properties arising from ordered periodic mesostructures are often obscured by small, randomly oriented domains and grain boundaries. Bulk macroscopic single crystals with mesoscale periodicity are needed to establish fundamental structure–…
View article: Wide dynamic range detection and all that...
Wide dynamic range detection and all that... Open
Imaging radiation detectors with enhanced capabilities, such as those with wider dynamic ranges, are being designed to take advantage of beams from x-ray free electron lasers, low emittance storage rings, and aberration-corrected electron …