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View article: Unveiling nano-scale crystal deformation using coherent X-ray dynamical diffraction
Unveiling nano-scale crystal deformation using coherent X-ray dynamical diffraction Open
Visualization of internal deformation fields in crystalline materials helps bridge the gap between theoretical models and practical applications. Applying Bragg coherent diffraction imaging under X-ray dynamical diffraction conditions prov…
View article: Insights into strain change of calcite by imaging defect-driven dissolution in the presence of Pb2+
Insights into strain change of calcite by imaging defect-driven dissolution in the presence of Pb2+ Open
The presence of microscopic strain can determine the macroscopic properties of crystalline structures. However, the capability of quantifying and imaging strain variations in particles undergoing chemical reactions remains limited. Here, w…
View article: Adaptively coupled phase retrieval in multi-peak Bragg coherent diffraction imaging
Adaptively coupled phase retrieval in multi-peak Bragg coherent diffraction imaging Open
Recent advances in Bragg coherent diffraction imaging (BCDI) experimental techniques permit routine measurement of multiple Bragg peaks from a single crystalline grain. The resulting images contain the full lattice distortion vector field …
View article: Direct Imaging of Hydrogen-Driven Dislocation and Strain Field Evolution in a Stainless Steel Grain
Direct Imaging of Hydrogen-Driven Dislocation and Strain Field Evolution in a Stainless Steel Grain Open
Here we present the final BCDI reconstructions, coherent X-ray diffraction patterns, discrete dislocation dynamics simulations, X-ray diffraction data, electrochemistry data, and analysis scripts for the paper titled "Direct Imaging of Hyd…
View article: Direct Imaging of Hydrogen‐Driven Dislocation and Strain Field Evolution in a Stainless Steel Grain
Direct Imaging of Hydrogen‐Driven Dislocation and Strain Field Evolution in a Stainless Steel Grain Open
Hydrogen embrittlement (HE) poses a significant challenge to the durability of materials used in hydrogen production and utilization. Disentangling the competing nanoscale mechanisms driving HE often relies on simulations and electron‐tran…
View article: Manipulating Ferroelectric Topological Polar Structures with Twisted Light
Manipulating Ferroelectric Topological Polar Structures with Twisted Light Open
The dynamic control of non‐equilibrium states represents a central challenge in condensed matter physics. While intense terahertz fields drive metal‐insulator transitions and ferroelectricity via soft phonon modes, recent theory suggests t…
View article: In Situ Intergrowth Tunnel/P3 Cathode Enhancing High Voltage Stability Toward High Energy Sodium‐Ion Batteries
In Situ Intergrowth Tunnel/P3 Cathode Enhancing High Voltage Stability Toward High Energy Sodium‐Ion Batteries Open
Improving the upper voltage limit in layered oxide cathodes is an effective strategy to achieve high‐energy sodium‐ion batteries (SIBs). However, in the high‐voltage region with deep Na + extraction, the phase structure becomes severely un…
View article: Processing-dependent Chemical Ordering in a Metallic Alloy Characterized via Non-destructive Bragg Coherent Diffraction Imaging
Processing-dependent Chemical Ordering in a Metallic Alloy Characterized via Non-destructive Bragg Coherent Diffraction Imaging Open
Of current importance for alloy design is controlling chemical ordering through processing routes to optimize an alloy's mechanical properties for a desired application. However, characterization of chemical ordering remains an ongoing cha…
View article: Dislocations govern noble metal exsolution in perovskite oxide
Dislocations govern noble metal exsolution in perovskite oxide Open
Self-assembled metal nanoparticles exsolved from host oxides have gained prominence in catalysis and electrochemistry owing to their exceptional activity and stability1–3. Understanding the relation between dopant transport and …
View article: Mapping domain structures near a grain boundary in a lead zirconate titanate ferroelectric film using X-ray nanodiffraction
Mapping domain structures near a grain boundary in a lead zirconate titanate ferroelectric film using X-ray nanodiffraction Open
The effect of an electric field on local domain structure near a 24° tilt grain boundary in a 200 nm-thick Pb(Zr 0.2 Ti 0.8 )O 3 bi-crystal ferroelectric film was probed using synchrotron nanodiffraction. The bi-crystal film was grown epit…
View article: Manipulating ferroelectric topological polar structures with twisted light
Manipulating ferroelectric topological polar structures with twisted light Open
The dynamic control of novel states of matter beyond thermodynamic equilibrium is a fundamental pursuit in condensed matter physics. Intense terahertz fields have enabled metal-insulator transitions, superconductivity, quantum paraelectric…
View article: Visualizing the Internal Nanocrystallinity of Calcite Due to Nonclassical Crystallization by 3D Coherent X‐Ray Diffraction Imaging (Adv. Mater. 31/2024)
Visualizing the Internal Nanocrystallinity of Calcite Due to Nonclassical Crystallization by 3D Coherent X‐Ray Diffraction Imaging (Adv. Mater. 31/2024) Open
Bragg Coherent Diffraction Imaging The formation of thermodynamically stable calcite from metastable vaterite preserves the internal vaterite domain morphology (shown in the cross sections). The internal nanocrystallinity and strain distri…
View article: In-situ and wavelength-dependent photocatalytic strain evolution of a single Au nanoparticle on a TiO2 film
In-situ and wavelength-dependent photocatalytic strain evolution of a single Au nanoparticle on a TiO2 film Open
View article: Visualizing the Internal Nanocrystallinity of Calcite Due to Nonclassical Crystallization by 3D Coherent X‐Ray Diffraction Imaging
Visualizing the Internal Nanocrystallinity of Calcite Due to Nonclassical Crystallization by 3D Coherent X‐Ray Diffraction Imaging Open
The internal crystallinity of calcite is investigated for samples synthesized using two approaches: precipitation from solution and the ammonium carbonate diffusion method. Scanning electron microscopy (SEM) analyses reveal that the calcit…
View article: Publisher Correction: Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating
Publisher Correction: Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating Open
View article: Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating
Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating Open
View article: Enhanced Piezoelectric Response at Nanoscale Vortex Structures in Ferroelectrics
Enhanced Piezoelectric Response at Nanoscale Vortex Structures in Ferroelectrics Open
The piezoelectric response is a measure of the sensitivity of a material's polarization to stress or its strain to an applied field. Using in operando X-ray Bragg coherent diffraction imaging, we observe that topological vortices ar…
View article: Behavior of strain stripe networks in barium titanate nanocrystals on crossing its ferroelectric phase transition
Behavior of strain stripe networks in barium titanate nanocrystals on crossing its ferroelectric phase transition Open
Nanoscale strain networks are reported in BaTiO3 (BTO) crystals of 300 nm size using Bragg coherent diffractive imaging. BTO nanocrystals with clear facets were chosen to identify the crystallographic directions, allowing the strain field …
View article: In Situ Visualisation of Zeolite Anisotropic Framework Flexibility During Catalysis
In Situ Visualisation of Zeolite Anisotropic Framework Flexibility During Catalysis Open
View article: In situ photocatalytic strain evolution of a single Au nanoparticle in Au/TiO2 heterostructures
In situ photocatalytic strain evolution of a single Au nanoparticle in Au/TiO2 heterostructures Open
Photocatalysis is a promising technique due to its capacity to efficiently harvest solar energy and its potential to address the global energy crisis. However, the structure-activity relationships of photocatalyst during wavelength-depende…
View article: AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems
AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems Open
We describe the application of an AI-driven system to autonomously align complex x-ray-focusing mirror systems, including mirrors systems with variable focus spot sizes. The system has been developed and studied on a digital twin of nanofo…
View article: AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems
AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems Open
We describe the application of aan AI-driven system to autonomously align and focus complex x-ray mirror systems . The system has been developed and studied on a digital twin of nanofocusing X-ray beamlines, built using advanced optical si…
View article: AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems
AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems Open
We describe the application of aan AI-driven system to autonomously align and focus complex x-ray mirror systems . The system has been developed and studied on a digital twin of nanofocusing X-ray beamlines, built using advanced optical si…
View article: AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems
AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems Open
We describe the application of aan AI-driven system to autonomously align and focus complex x-ray mirror systems . The system has been developed and studied on a digital twin of nanofocusing X-ray beamlines, built using advanced optical si…
View article: AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems
AutoFocus: AI-driven alignment of nanofocusing X-ray mirror systems Open
We describe the application of aan AI-driven system to autonomously align and focus complex x-ray mirror systems . The system has been developed and studied on a digital twin of nanofocusing X-ray beamlines, built using advanced optical si…
View article: Anisotropy of antiferromagnetic domains in a spin-orbit Mott insulator
Anisotropy of antiferromagnetic domains in a spin-orbit Mott insulator Open
The temperature-dependent behavior of magnetic domains plays an essential role in the magnetic properties of materials, leading to widespread applications. However, experimental methods to access the three-dimensional (3D) magnetic domain …
View article: Author Correction: Three-dimensional strain imaging of irradiated chromium using multi-reflection Bragg coherent diffraction
Author Correction: Three-dimensional strain imaging of irradiated chromium using multi-reflection Bragg coherent diffraction Open
View article: Bayesian optimization for autoalignment of an x-ray focusing system
Bayesian optimization for autoalignment of an x-ray focusing system Open
We describe a multi-objective Bayesian Optimization routine to automatically align and stabilize an x-ray focusing system. We develop our technique in an ultra-realistic digital twin and implement it in a hard-x-ray synchrotron beamline.
View article: Strain and crystallographic identification of the helically concaved gap surfaces of chiral nanoparticles
Strain and crystallographic identification of the helically concaved gap surfaces of chiral nanoparticles Open
Identifying the three-dimensional (3D) crystal plane and strain-field distributions of nanocrystals is essential for optical, catalytic, and electronic applications. However, it remains a challenge to image concave surfaces of nanoparticle…
View article: Bayesian optimization for autoalignment of an x-ray focusing system
Bayesian optimization for autoalignment of an x-ray focusing system Open
We describe a multi-objective Bayesian Optimization routine to automatically align and stabilize an x-ray focusing system. We develop our technique in an ultra-realistic digital twin and implement it in a hard-x-ray synchrotron beamline.