Huiwen Ji
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View article: Dual Branch Encoding Feature Aggregation for Cloud and Cloud Shadow Detection of Remote Sensing Image
Dual Branch Encoding Feature Aggregation for Cloud and Cloud Shadow Detection of Remote Sensing Image Open
Cloud detection is a critical preprocessing step for optical remote sensing imagery. However, traditional CNN-based methods have limitations in global feature modeling, while Transformer models, despite their strong global modeling capabil…
View article: Single crystal diffuse scattering analysis of short-range order in garnet-type Li-ion conductor Li6.75La3Nb0.25Zr1.75O12
Single crystal diffuse scattering analysis of short-range order in garnet-type Li-ion conductor Li6.75La3Nb0.25Zr1.75O12 Open
The super-ionic conductivity exhibited by garnet-type Li-ion conductor series Li5+xLa3Nb2−xZr2+xO12 (LLNZO) (0 ≤ x ≤ 2) makes it a promising solid-state electrolyte candidate for Li-ion batteries. As the Li content is increased and x appro…
View article: Short-range order revealed by 3D-ΔPDF in a Li superionic conductor
Short-range order revealed by 3D-ΔPDF in a Li superionic conductor Open
Solid-state superionic conductors hold the promise to make safer and higher-energy-density all-solid-state batteries. A key metric for the practicality of these new conductors is an ionic conductivity > 10−4 S cm−1. However, despite the…
View article: Crystal Growth and Crystallography of a Complex Transition Metal Oxide
Crystal Growth and Crystallography of a Complex Transition Metal Oxide Open
“Wadsley-Roth”-phased crystal structures have defied accurate crystallographic determination since their discovery in 1965. These structurally challenging materials are comprised of transition metal oxides whose condensate oxygen vacancies…
View article: Harnessing Cation Disorder for Enhancing Ionic Conductivity in Lithium Inverse Spinel Halides
Harnessing Cation Disorder for Enhancing Ionic Conductivity in Lithium Inverse Spinel Halides Open
Halides are promising solid-state electrolytes for all-solid-state lithium batteries due to their exceptional oxidation stability, high Li-ion conductivity, and mechanical deformability. However, their practicality is limited by the relian…
View article: Coherent‐Precipitation‐Stabilized Phase Formation in Over‐Stoichiometric Rocksalt‐Type Li Superionic Conductors
Coherent‐Precipitation‐Stabilized Phase Formation in Over‐Stoichiometric Rocksalt‐Type Li Superionic Conductors Open
Rationalizing synthetic pathways is crucial for material design and property optimization, especially for polymorphic and metastable phases. Over‐stoichiometric rocksalt (ORX) compounds, characterized by their face‐sharing configurations, …
View article: Crystal Chemistry and Design Principles of Altermagnets
Crystal Chemistry and Design Principles of Altermagnets Open
Altermagnetism was very recently identified as a new type of magnetic phase beyond the conventional dichotomy of ferromagnetism (FM) and antiferromagnetism (AFM). Its globally compensated magnetization and directional spin polarization pro…
View article: La$_2$O$_3$Mn$_2$Se$_2$: a correlated insulating layered d-wave altermagnet
La$_2$O$_3$Mn$_2$Se$_2$: a correlated insulating layered d-wave altermagnet Open
Altermagnets represent a new class of magnetic phases without net magnetization that are invariant under a combination of rotation and time reversal. Unlike conventional collinear antiferromagnets (AFM), altermagnets could lead to new corr…
View article: Publisher Correction: Unlocking Li superionic conductivity in face-centred cubic oxides via face-sharing configurations
Publisher Correction: Unlocking Li superionic conductivity in face-centred cubic oxides via face-sharing configurations Open
In the version of the article initially published, the x axes in Figs. 2b,d and 5a,b originally read “T-1 (K-1)” and have now been amended to “1000 T-1 (K-1)” in the HTML and PDF versions of the …
View article: Noncentrosymmetric Triangular Magnet CaMnTeO<sub>6</sub>: Strong Quantum Fluctuations and Role of s<sup>0</sup> versus s<sup>2</sup> Electronic States in Competing Exchange Interactions
Noncentrosymmetric Triangular Magnet CaMnTeO<sub>6</sub>: Strong Quantum Fluctuations and Role of s<sup>0</sup> versus s<sup>2</sup> Electronic States in Competing Exchange Interactions Open
Noncentrosymmetric triangular magnets offer a unique platform for realizing strong quantum fluctuations. However, designing these quantum materials remains an open challenge attributable to a knowledge gap in the tunability of competing ex…
View article: Unlocking Li superionic conductivity in face-centred cubic oxides via face-sharing configurations
Unlocking Li superionic conductivity in face-centred cubic oxides via face-sharing configurations Open
Oxides with a face-centred cubic (fcc) anion sublattice are generally not considered as solid-state electrolytes as the structural framework is thought to be unfavourable for lithium (Li) superionic conduction. Here we demonstrate Li super…
View article: In situ formed partially disordered phases as earth-abundant Mn-rich cathode materials
In situ formed partially disordered phases as earth-abundant Mn-rich cathode materials Open
Earth-abundant cathode materials are urgently needed to enable scaling of the Li-ion industry to multiply terawatt hours of annual production, necessitating reconsideration of how good cathode materials can be obtained. Irreversible transi…
View article: CSD 2285952: Experimental Crystal Structure Determination
CSD 2285952: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Multi-Supervised Feature Fusion Attention Network for Clouds and Shadows Detection
Multi-Supervised Feature Fusion Attention Network for Clouds and Shadows Detection Open
Cloud and cloud shadow detection are essential in remote sensing imagery applications. Few semantic segmentation models were designed specifically for clouds and their shadows. Based on the visual and distribution characteristics of clouds…
View article: Reversible Electrochemical Lithium Cycling in a Vanadium(IV)- and Niobium(V)-Based Wadsley–Roth Phase
Reversible Electrochemical Lithium Cycling in a Vanadium(IV)- and Niobium(V)-Based Wadsley–Roth Phase Open
Fast charging remains one of the greatest safety challenges in Li-ion batteries due to Li-dendrite growth occurring on graphite anodes if they are lithiated too quickly. The search for high-rate anodes has highlighted materials in the Wads…
View article: Floating zone crystal growth, structure, and properties of a cubic Li<sub>5.5</sub>La<sub>3</sub>Nb<sub>1.5</sub>Zr<sub>0.5</sub>O<sub>12</sub> garnet-type lithium-ion conductor
Floating zone crystal growth, structure, and properties of a cubic Li<sub>5.5</sub>La<sub>3</sub>Nb<sub>1.5</sub>Zr<sub>0.5</sub>O<sub>12</sub> garnet-type lithium-ion conductor Open
Floating zone growth of a cm-sized solid-state electrolyte single crystal, identification of two distinct Li sites with Laue neutron diffraction, and Li-ion conductivity and migration energy determination by EIS and dielectric measurements.
View article: Solid-State Calcium-Ion Diffusion in Ca<sub>1.5</sub>Ba<sub>0.5</sub>Si<sub>5</sub>O<sub>3</sub>N<sub>6</sub>
Solid-State Calcium-Ion Diffusion in Ca<sub>1.5</sub>Ba<sub>0.5</sub>Si<sub>5</sub>O<sub>3</sub>N<sub>6</sub> Open
Rechargeable batteries based on multivalent working ions are promising candidates for next-generation high-energy-density batteries. Development of these technologies, however, is largely limited by the low diffusion rate of multivalent io…
View article: Realizing continuous cation order-to-disorder tuning in a class of high-energy spinel-type Li-ion cathodes
Realizing continuous cation order-to-disorder tuning in a class of high-energy spinel-type Li-ion cathodes Open
View article: Phase-Transition-Enhanced Thermoelectric Transport in Rickardite Mineral Cu<sub>3–<i>x</i></sub>Te<sub>2</sub>
Phase-Transition-Enhanced Thermoelectric Transport in Rickardite Mineral Cu<sub>3–<i>x</i></sub>Te<sub>2</sub> Open
International audience
View article: Local electronic and magnetic properties of the doped topological insulators <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Se</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msub><mml:mo>:</mml:mo><mml:mi>Ca</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msub><mml:mo>:</mml:mo><mml:mi>Mn</mml:mi></mml:math> investigated using ion-implanted <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow/><mml:mn>8</mml:mn></mml:msup><mml:mi>Li</mml:mi></mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi><mml:mtext>−</mml:mtext><mml:mi>NMR</mml:mi></mml:math>
Local electronic and magnetic properties of the doped topological insulators and investigated using ion-implanted Open
We report $\\beta$-detected nuclear magnetic resonance ($\\beta$-NMR)\nmeasurements in Bi$_{2}$Se$_{3}$:Ca (BSC) and Bi$_{2}$Te$_{3}$:Mn (BTM) single\ncrystals using $^{8}$Li$^{+}$ implanted to depths on the order of 100 nm. Above\n$\\sim …
View article: Cation-disordered rocksalt-type high-entropy cathodes for Li-ion batteries
Cation-disordered rocksalt-type high-entropy cathodes for Li-ion batteries Open
View article: Ultrahigh power and energy density in partially ordered lithium-ion cathode materials
Ultrahigh power and energy density in partially ordered lithium-ion cathode materials Open
View article: The range of non-Kitaev terms and fractional particles in α-RuCl3
The range of non-Kitaev terms and fractional particles in α-RuCl3 Open
View article: Effect of Fluorination on Lithium Transport and Short‐Range Order in Disordered‐Rocksalt‐Type Lithium‐Ion Battery Cathodes
Effect of Fluorination on Lithium Transport and Short‐Range Order in Disordered‐Rocksalt‐Type Lithium‐Ion Battery Cathodes Open
Fluorine substitution is a critical enabler for improving the cycle life and energy density of disordered rocksalt (DRX) Li‐ion battery cathode materials which offer prospects for high energy density cathodes, without the reliance on limit…
View article: Design Principles for High-Capacity Mn-Based Cation-Disordered Rocksalt Cathodes
Design Principles for High-Capacity Mn-Based Cation-Disordered Rocksalt Cathodes Open
View article: Next-Generation Cathode Materials for Non-aqueous Potassium-Ion Batteries
Next-Generation Cathode Materials for Non-aqueous Potassium-Ion Batteries Open
View article: Computational Investigation and Experimental Realization of Disordered High-Capacity Li-Ion Cathodes Based on Ni Redox
Computational Investigation and Experimental Realization of Disordered High-Capacity Li-Ion Cathodes Based on Ni Redox Open
In cation-disordered rocksalt Li-ion cathode materials, an excess of Li with respect to the transition metal content is necessary for the creation of percolating pathways for Li transport. Because of the lower amount of redox-active transi…
View article: Ionic and electronic properties of the topological insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Bi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Te</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>Se</mml:mi></mml:mrow></mml:math> investigated via <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-detected nuclear magnetic relaxation and resonance of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">Li</mml:mi><mml:mprescripts/><mml:none/><mml:mn>8</mml:mn></mml:mmultiscripts></mml:math>
Ionic and electronic properties of the topological insulator investigated via -detected nuclear magnetic relaxation and resonance of Open
We report measurements on the high temperature ionic and low temperature electronic properties of the 3D topological insulator Bi$_2$Te$_2$Se using ion-implanted $^8$Li $\beta$-detected nuclear magnetic relaxation and resonance. With impla…
View article: Interacting multi-channel topological boundary modes in a quantum Hall valley system
Interacting multi-channel topological boundary modes in a quantum Hall valley system Open
Symmetry and topology play key roles in the identification of phases of matter and their properties. Both concepts are central to understanding quantum Hall ferromagnets (QHFMs), two-dimensional electronic phases with spontaneously broken …
View article: Interacting multi-channel topological boundary modes in a quantum Hall valley system
Interacting multi-channel topological boundary modes in a quantum Hall valley system Open