Maria K. Y. Chan
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View article: Precision nanoscience aided by multimodal observations
Precision nanoscience aided by multimodal observations Open
This article discusses precision nanoscience, a new frontier in material chemistry, where multimodal observation and engineering focus on understanding the intricate details of atomic structures as they evolve, interact, and influence chem…
View article: Nanometer Resolution Structure‐Emission Correlation of Individual Quantum Emitters via Enhanced Cathodoluminescence in Twisted Hexagonal Boron Nitride
Nanometer Resolution Structure‐Emission Correlation of Individual Quantum Emitters via Enhanced Cathodoluminescence in Twisted Hexagonal Boron Nitride Open
Understanding the atomic structure of quantum emitters, often originating from point defects or impuritie, is essential for designing and optimizing materials for quantum technologies such as quantum computing, communication, and sensing. …
View article: Autonomous Synthesis and Inverse Design of Electronic Polymers with High Efficiency and Accuracy
Autonomous Synthesis and Inverse Design of Electronic Polymers with High Efficiency and Accuracy Open
The design and synthesis of functional polymers, aimed at targeted properties through specific structures, has long been challenged by their complex and often nonlinear structure-property relationships. Key processes, including knowledge a…
View article: Suppressing high-voltage phase transition in layered oxide positive electrodes toward stable cycling for sodium ion batteries
Suppressing high-voltage phase transition in layered oxide positive electrodes toward stable cycling for sodium ion batteries Open
Intercalation-type layered oxides are the most promising positive electrodes for next-generation sodium-ion batteries due to their high energy density, low cost, and tunable chemistry. However, these materials are often subjected to substa…
View article: MaRDA FAIR materials microscopy and LIMS data working groups’ community recommendations
MaRDA FAIR materials microscopy and LIMS data working groups’ community recommendations Open
Managing, processing, and sharing research data and experimental context produced on modern scientific instrumentation all present challenges to the materials research community. To address these issues, two MaRDA Working Groups on FAIR Da…
View article: Autonomous platform for solution processing of electronic polymers
Autonomous platform for solution processing of electronic polymers Open
The manipulation of electronic polymers’ solid-state properties through processing is crucial in electronics and energy research. Yet, efficiently processing electronic polymer solutions into thin films with specific properties remains a f…
View article: Materials laboratories of the future for alloys, amorphous, and composite materials
Materials laboratories of the future for alloys, amorphous, and composite materials Open
In alignment with the Materials Genome Initiative and as the product of a workshop sponsored by the US National Science Foundation, we define a vision for materials laboratories of the future in alloys, amorphous materials, and composite m…
View article: Lattice Anisotropy-Driven Reduction of Phonon Velocities in Black Phosphorus
Lattice Anisotropy-Driven Reduction of Phonon Velocities in Black Phosphorus Open
Phonon dynamics and transport determine how heat is utilized and dissipated in materials. In 2D systems for optoelectronics and thermoelectrics, the impact of nanoscale material structure on phonon propagation is central to controlling the…
View article: Revealing Local Structures through Machine-Learning- Fused Multimodal Spectroscopy
Revealing Local Structures through Machine-Learning- Fused Multimodal Spectroscopy Open
Atomistic structures of materials offer valuable insights into their functionality. Determining these structures remains a fundamental challenge in materials science, especially for systems with defects. While both experimental and computa…
View article: Deterministic fabrication of highly reproducible monochromatic quantum emitters in hexagonal boron nitride
Deterministic fabrication of highly reproducible monochromatic quantum emitters in hexagonal boron nitride Open
Carbon-ion implantation through a carbon mask enables deterministic fabrication of highly reproducible, stable, monochromatic quantum emitters in hexagonal boron nitride.
View article: Deterministic Creation of Identical Monochromatic Quantum Emitters in Hexagonal Boron Nitride
Deterministic Creation of Identical Monochromatic Quantum Emitters in Hexagonal Boron Nitride Open
Deterministic creation of quantum emitters with high single-photon-purity and excellent indistinguishability is essential for practical applications in quantum information science. Many successful attempts have been carried out in hexagona…
View article: Data-driven discovery of dynamics from time-resolved coherent scattering
Data-driven discovery of dynamics from time-resolved coherent scattering Open
Coherent X-ray scattering (CXS) techniques are capable of interrogating dynamics of nano- to mesoscale materials systems at time scales spanning several orders of magnitude. However, obtaining accurate theoretical descriptions of complex d…
View article: Photocurrent Spectroscopy of Dark Magnetic Excitons in 2D Multiferroic NiI<sub>2</sub>
Photocurrent Spectroscopy of Dark Magnetic Excitons in 2D Multiferroic NiI<sub>2</sub> Open
Two‐dimensional (2D) antiferromagnetic (AFM) semiconductors are promising components of opto‐spintronic devices due to terahertz operation frequencies and minimal interactions with stray fields. However, the lack of net magnetization signi…
View article: Anomalous reduction in black phosphorus phonon velocities driven by lattice anisotropy
Anomalous reduction in black phosphorus phonon velocities driven by lattice anisotropy Open
Phonon dynamics and transport determines how heat is utilized or dissipated in materials. In anisotropic 2D materials for miniaturized optoelectronics or thermoelectrics, the impact of material geometry and nanoscale material structure on …
View article: Robust Machine Learning Inference from X-ray Absorption Near Edge Spectra through Featurization
Robust Machine Learning Inference from X-ray Absorption Near Edge Spectra through Featurization Open
X-ray absorption spectroscopy (XAS) is a commonly employed technique for characterizing functional materials. In particular, X-ray absorption near edge spectra (XANES) encode local coordination and electronic information, and machine learn…
View article: Subnanometer Scale Mapping of Hydrogen Doping in Vanadium Dioxide
Subnanometer Scale Mapping of Hydrogen Doping in Vanadium Dioxide Open
Hydrogen donor doping of correlated electron systems such as vanadium dioxide (VO2) profoundly modifies the ground state properties. The electrical behavior of HxVO2 is strongly dependent on the hydrogen concentration; hence, atomic scale …
View article: Accelerating nano-XANES imaging <i>via</i> feature selection
Accelerating nano-XANES imaging <i>via</i> feature selection Open
We utilize feature selection to reduce experimental time by ∼80% of a nanoscale X-ray Absorption Fine Structure (XANES) spectroscopy imaging study of a sample with Fe-bearing mineral phases.
View article: Manifold projection image segmentation for nano-XANES imaging
Manifold projection image segmentation for nano-XANES imaging Open
As spectral imaging techniques are becoming more prominent in science, advanced image segmentation algorithms are required to identify appropriate domains in these images. We present a version of image segmentation called manifold projecti…
View article: Data-driven discovery of dynamics from time-resolved coherent scattering
Data-driven discovery of dynamics from time-resolved coherent scattering Open
Coherent X-ray scattering (CXS) techniques are capable of interrogating dynamics of nano- to mesoscale materials systems at time scales spanning several orders of magnitude. However, obtaining accurate theoretical descriptions of complex d…
View article: Distribution of Copper States, Phases, and Defects across the Depth of a Cu-Doped CdTe Solar Cell
Distribution of Copper States, Phases, and Defects across the Depth of a Cu-Doped CdTe Solar Cell Open
Copper has been used as a p-type dopant in cadmium telluride (CdTe) for decades. However, the density of Cu atoms in the finished device is much higher than that of holes, which means that most Cu atoms are not activated as acceptors durin…
View article: Synthesis of Quantum-Confined Borophene Nanoribbons
Synthesis of Quantum-Confined Borophene Nanoribbons Open
Borophene nanoribbons (BNRs) are one-dimensional strips of atomically thin boron expected to exhibit quantum-confined electronic properties that are not present in extended two-dimensional borophene. While the parent material borophene has…
View article: Robust Machine Learning Inference from X-ray Absorption Near Edge Spectra through Featurization
Robust Machine Learning Inference from X-ray Absorption Near Edge Spectra through Featurization Open
X-ray absorption spectroscopy (XAS) is a commonly-employed technique for characterizing functional materials. In particular, x-ray absorption near edge spectra (XANES) encodes local coordination and electronic information and machine learn…
View article: 2023 Roadmap on molecular modelling of electrochemical energy materials
2023 Roadmap on molecular modelling of electrochemical energy materials Open
New materials for electrochemical energy storage and conversion are the key to the electrification and sustainable development of our modern societies. Molecular modelling based on the principles of quantum mechanics and statistical mechan…