A5101801225- 2D Materials and Applications
- MXene and MAX Phase Materials
- Topological Materials and Phenomena
- Graphene research and applications
- Perovskite Materials and Applications
- Strong Light-Matter Interactions
- Advanced Thermoelectric Materials and Devices
- Covalent Organic Framework Applications
- Mechanical and Optical Resonators
- Metal-Organic Frameworks: Synthesis and Applications
- ZnO doping and properties
- Gas Sensing Nanomaterials and Sensors
- Quantum Dots Synthesis And Properties
- Advanced Condensed Matter Physics
- Advanced biosensing and bioanalysis techniques
- Magnetic properties of thin films
- Food composition and properties
- Rice Cultivation and Yield Improvement
- Advancements in Battery Materials
- Carbon Nanotubes in Composites
- Advanced Battery Materials and Technologies
- Magnetic Properties of Alloys
- Magnetic and transport properties of perovskites and related materials
- Spectroscopy and Quantum Chemical Studies
- Radioactive element chemistry and processing
Peking University
2019-2025
Beijing Institute of Technology
2024-2025
Jiangxi Agricultural University
2022-2025
Hunan Normal University
2025
Sichuan Agricultural University
2024
Nankai University
2023-2024
State Key Laboratory of Artificial Microstructure and Mesoscopic Physics
2020-2024
Shanghai Institute of Ceramics
2024
Chinese Academy of Sciences
2024
Soochow University
2020-2023
Abstract The discovery of ferromagnetic two-dimensional van der Waals materials has opened up opportunities to explore intriguing physics and develop innovative spintronic devices. However, controllable synthesis these 2D ferromagnets enhancing their stability under ambient conditions remain challenging. Here, we report chemical vapor deposition growth air-stable metallic 1T-CrTe 2 ultrathin crystals with controlled thickness. Their long-range ordering is confirmed by a robust anomalous Hall...
The intrinsic magnetic layered topological insulator MnBi2Te4 with nontrivial properties and order has become a promising system for exploring exotic quantum phenomena such as anomalous Hall effect. However, the layer-dependent magnetism of MnBi2Te4, which is fundamental crucial further exploration in this system, remains elusive. Here, we use polar reflective circular dichroism spectroscopy, combined theoretical calculations, to obtain an in-depth understanding MnBi2Te4. behavior exhibits...
Over the past few decades, exciton-polaritons have attracted substantial research interest due to their half-light-half-matter bosonic nature. Coupling with magnetic orders grants access rich many-body phenomena, but has been limited by availability of material systems that exhibit simultaneous exciton resonances and ordering. Here we report magnetically-dressed microcavity in van der Waals antiferromagnetic (AFM) semiconductor CrSBr coupled a Tamm plasmon microcavity. Using angle-resolved...
Grain boundary plays a vital role in thermoelectric transports, leading to distinct properties between single crystals and polycrystals. Manipulating the grain realize good polycrystals similar as those of is long-standing task, but it quite challenging. Herein, we develop liquid-phase sintering strategy successfully introduce Mg2Cu nano-sintering-aid into boundaries Mg3(Bi, Sb)2-based materials. The nano-aid helps enlarge average size 23.7 μm effectively scatter phonons, excellent...
Among the Mo- and W-based two-dimensional (2D) transition metal dichalcogenides, MoTe2 is particularly interesting for phase-engineering applications, because it has smallest free energy difference between semiconducting 2H phase metallic 1T′ phase. In this work, we reveal that, under proper circumstance, Mo Te atoms can rearrange themselves to transform from a polycrystalline into single-crystalline in large scale. We manifest mechanisms of solid-to-solid transformation by conducting...
Two-dimensional (2D) nonlayered materials have recently provoked a surge of interest due to their abundant species and attractive properties with promising applications in catalysis, nanoelectronics, spintronics. However, 2D anisotropic growth still faces considerable challenges lacks systematic theoretical guidance. Here, we propose general thermodynamics-triggered competitive (TTCG) model providing multivariate quantitative criterion predict guide growth. Based on this model, design...
Abstract Herein, we firstly develop porous organic cage (POC) as an efficient platform for highly effective radioactive iodine capture under industrial operating conditions (typically ≥150 °C), ≤150 ppmv of I 2 ). Due to the dispersed and readily accessible binding sites well sufficient accommodating space, constructed NKPOC‐DT‐(I − ) (NKPOC=Nankai cage) demonstrates a record‐high uptake capacity 48.35 wt % extraordinary adsorption unit ionic site (~1.62) at 150 °C . The is 3.5, 1.6, 1.3...
Two-dimensional (2D) layered semiconductors, with their ultimate atomic thickness, have shown promise to scale down transistors for modern integrated circuitry. However, the electrical contacts that connect these materials external bulky metals are usually unsatisfactory, which limits transistor performance. Recently, contacting 2D semiconductors using coplanar conductors has in reducing problematic high contact resistance. many of methods not ideal scaled production. Here, we report on...
Abstract Two-dimensional magnetic semiconductors provide a platform for studying physical phenomena at atomically thin limit, and promise magneto-optoelectronic devices application. Here, we report light helicity detectors based on graphene-CrI 3 -graphene vdW heterostructures. We investigate the circularly polarized excited current reflective circular dichroism (RMCD) under various fields in both monolayer multilayer CrI devices. The exhibit clear helicity-selective photoresponse behavior...
Natural superlattice structures MnBi2Te4(Bi2Te3)n (n = 1, 2, ...), in which magnetic MnBi2Te4 layers are separated by nonmagnetic Bi2Te3 layers, hold band topology, magnetism and reduced interlayer coupling, providing a promising platform for the realization of exotic topological quantum states. However, their two-dimensional limit, is crucial further exploration phenomena, remains elusive. Here, complex ferromagnetic-antiferromagnetic coexisting ground states that persist down to 2-septuple...
The manipulation of two-dimensional (2D) magnetic order is significant importance to facilitate future 2D magnets for low-power and high-speed spintronic devices. van der Waals stacking engineering makes promises controllable magnetism via interlayer coupling. However, directly examining the changes accompanying transitions at atomic scale preparing device-ready with orders remain elusive. Here, we demonstrate effective control in exfoliated CrBr3 thermally assisted strain engineering....
MnBi_{2}Te_{4}, an intrinsic magnetic topological insulator, has shown layer-number-correlated and phases. More interestingly, in the isostructural material MnSb_{2}Te_{4}, antiferromagnetic (AFM) ferromagnetic (FM) states have been both observed bulk counterparts, which are also predicted to be topologically nontrivial. Revealing layer-number-dependent properties of MnSb_{2}Te_{4} down a single septuple layer (SL) is great significance for exploring phenomena. However, this still elusive....
Quantum interference gives rise to the asymmetric Fano resonance line shape when final states of an electronic transition follow within a continuum and discrete state, which has significant applications in optical switching sensing. The resonant phenomena associated with have been observed by absorption spectra, Raman transmission etc., but rarely reported photoluminescence (PL) spectroscopy. In this work, we performed spectroscopic studies on layered chromium thiophosphate (CrPS4),...
Because of atomic thickness and non-zero band gap, two-dimensional (2D) transition-metal dichalcogenides (TMDCs) have become promising candidates for post-silicon nanoelectronic materials. In the process realizing 2D electronic devices scaling down modern integrated circuitry, contact engineering suitable large-scale manufacturing is crucial, but it remains elusive. Here, we demonstrated chemical assembly van der Waals heterostructures, with metallic 1T′-MoTe2 on top semiconducting 2H-MoTe2,...
Atomically thin transition metal dichalcogenides can show a rich variety of bound exciton complex states, such as trions, biexcitons, Fermi polarons, and phonon replicas, because the reduced dielectric screening enhanced Coulomb interaction. To date, studies have mainly focused on complexes intralayer excitons, while electrically tunable interlayer (IX) remain elusive. Here, we report observation IX with large out-of-plane electric dipole, strong emission intensity, giant valley responses in...
In the heterostructure of two-dimensional (2D) materials, many novel physics phenomena are strongly dependent on Moiré superlattice. How to achieve continuous manipulation superlattice in same sample is very important study evolution various physical properties. Here, minimally twisted monolayer-multilayer graphene, we found that bubble-induced strain has a huge impact By employing AFM tip dynamically and continuously move nanobubble, realized modulation superlattice, like regular triangular...
Teleoperation serves as a powerful method for collecting on-robot data essential robot learning from demonstrations. The intuitiveness and ease of use the teleoperation system are crucial ensuring high-quality, diverse, scalable data. To achieve this, we propose an immersive Open-TeleVision that allows operators to actively perceive robot's surroundings in stereoscopic manner. Additionally, mirrors operator's arm hand movements on robot, creating experience if mind is transmitted embodiment....
Efficiently capturing fluorocarbons, potent greenhouse gases with high global warming potentials (GWP), remains a daunting challenge due to limited effective approaches for constructing high-performance adsorbents. To tackle this issue, we have pioneered novel strategy of developing radical porous materials as adsorbents fluorocarbon capture. The resulting covalent triazine framework (CTF), CTF-azo-R, shows exceptional (perfluorohexane, representative model pollutant among fluorocarbons)...
Abstract 2D semiconductors have emerged as promising candidates for post‐silicon nanoelectronics, owing to their unique properties and atomic thickness. However, in the handling of material, various forms macroscopic damage, such cracks, wrinkles, scratches, etc., are usually introduced, which cause adverse effects on material device performance. Repairing damage is crucial improving performance reliability, especially large‐scale arrays. Here, a method demonstrated repair few‐layer 2H‐MoTe...
Abstract Photodetectors equipped with multi-parameter control hold the potential to deliver exceptional performance in a wide range of scenarios, paving way for developing novel spin-opto-electronic devices. Nevertheless, integration such capabilities within single device is challenging due necessity harmonizing multiple materials varying degrees freedom. In this study, we introduce van der Waals magnet CrSBr, featuring inherent anisotropy and distinctive spin-electronic coupling, realm. The...