- 2D Materials and Applications
- Photonic and Optical Devices
- Graphene research and applications
- Advanced Memory and Neural Computing
- Plasmonic and Surface Plasmon Research
- Diamond and Carbon-based Materials Research
- Ferroelectric and Negative Capacitance Devices
- Photonic Crystals and Applications
- Nonlinear Optical Materials Studies
- Perovskite Materials and Applications
- MXene and MAX Phase Materials
- Advanced Fiber Laser Technologies
- Multiferroics and related materials
- Advanced Photonic Communication Systems
- Magnetic properties of thin films
- Geology and Paleoclimatology Research
- Neuroscience and Neural Engineering
- Neural Networks and Reservoir Computing
- Nanowire Synthesis and Applications
- Acoustic Wave Phenomena Research
- CCD and CMOS Imaging Sensors
- 3D Modeling in Geospatial Applications
- Per- and polyfluoroalkyl substances research
- Advanced Surface Polishing Techniques
- Optical Polarization and Ellipsometry
Wuhan National Laboratory for Optoelectronics
2019-2025
Huazhong University of Science and Technology
2002-2025
Southern Medical University
2024
Nanfang Hospital
2024
Guangzhou University of Chinese Medicine
2023
Abstract Next-generation polarized mid-infrared imaging systems generally requires miniaturization, integration, flexibility, good workability at room temperature and in severe environments, etc. Emerging two-dimensional materials provide another route to meet these demands, due the ease of integrating on complex structures, their native in-plane anisotropy crystal structure for high polarization photosensitivity, strong quantum confinement excellent photodetecting performances temperature....
Memory and logic in the same device Future artificial intelligence applications data-intensive computations require development of neuromorphic systems beyond traditional heterogeneous architectures. Physical separation between a peripheral signal-processing unit memory-operating is one main bottlenecks architectures, blocking further improvements efficient resistance matching, energy consumption, integration compatibility. Tong et al . present transistor-memory architecture based on...
Abstract Magnetism in 2D has long been the focus of condensed matter physics due to its important applications spintronic devices. A particularly promising aspect magnetism is ability fabricate heterostructures with engineered optical, electrical, and quantum properties. Recently, discovery intrinsic ferromagnetisms atomic thick materials provided a new platform for investigations fundamental magnetic physics. In contrast CrI 3 Cr 2 Ge Te 6 insulators, itinerant ferromagnetic Fe GeTe (FGT),...
Abstract Graphene-based photodetectors have attracted significant attention for high-speed optical communication due to their large bandwidth, compact footprint, and compatibility with silicon-based photonics platform. Large-bandwidth coherent receivers are crucial elements large-capacity networks advanced modulation formats. Here, we propose experimentally demonstrate an integrated receiver based on a 90-degree hybrid graphene-on-plasmonic slot waveguide photodetectors, featuring footprint...
The exchange bias (EB) effect plays an undisputed role in the development of highly sensitive, robust, and high-density spintronic devices magnetic data storage. However, weak EB field, low blocking temperature, as well lack modulation methods, seriously limit application van der Waals (vdW) devices. Here, we utilized pressure engineering to tune vdW spacing two-dimensional (2D) FePSe3/Fe3GeTe2 heterostructures. field (HEB, from 29.2 mT 111.2 mT) temperature (Tb, 20 K 110 K) are...
Biological neural circuits demonstrate exceptional adaptability to diverse tasks by dynamically adjusting connections efficiently process information. However, current two-dimension materials-based neuromorphic hardware mainly focuses on specific devices individually mimic artificial synapse or heterosynapse soma and encoding the inner states realize corresponding mock object function. Recent advancements suggest that integrating multiple material brain-like functions including inter-mutual...
Increasing both clean water and green energy demands for survival development are the grand challenges of our age. Here, we successfully fabricate a novel multifunctional 3D graphene-based catalytic membrane (3D-GCM) with active metal nanoparticles (AMNs) loading simultaneously obtaining purification generation, via "green" one-step laser scribing technology. The as-prepared 3D-GCM shows high porosity uniform distribution AMNs, which exhibits permeated fluxes (over 100 L m-2 h-1) versatile...
Abstract Artificial visual system empowered by 2D materials-based hardware simulates the functionalities of human system, leading forefront artificial intelligence vision. However, retina-mimicked that has not yet fully emulated neural circuits pathways is restricted from realizing more complex and special functions. In this work, we proposed a pathway-replicated consists crossbar arrays with split floating gate tungsten diselenide (WSe 2 ) unit devices simulate retina cortex, related...
In optical systems for communication, sensing, and imaging, integrating optoelectronic electronic components on-chip to develop applications has become the focus of future research.
Graphene has a great potential to replace silicon in prospective semiconductor industries due its outstanding electronic and transport properties; nonetheless, lack of energy bandgap is substantial limitation for practical applications. To date, straining graphene break lattice symmetry perhaps the most efficient approach toward realizing tunability graphene. However, weak deformation induced by uniaxial or in-plane shear strain, strained studies have yielded bandgaps <1 eV. In this work,...
In the emergence of graphene and many two-dimensional (2D) materials, most exciting applications come from stacking them into 3D devices, promising excellent possibilities for neoteric electronics optoelectronics. Layers semiconductors, insulators, conductors can be stacked to form van der Waals heterostructures, after weak bonds formed between layers. However, interlayer coupling in these heterostructures is usually hard modulate, resulting difficulty realize their emerging optical or...
We systematically investigated the modulation effects of substrates on ferromagnetism properties Fe3GeTe2 experimentally and theoretically. The polar refractive magnetic circular dichroism results demonstrate that could be modulated significantly by selecting different substrates. explain this phenomenon using first-principles calculation, revealing it was induced lattice distortion charge redistribution between interfaces. Our work is useful to understand fundamental mechanism tunable paves...
Acoustic metamaterials with artificial microstructures are attractive to realize intriguing functions, including efficient waveguiding, which requires large impedance mismatches total side reflection negligible transmission and absorption. While mismatch can be readily realized in an air environment, acoustic waveguiding underwater environment remains elusive due insufficient of state-of-the-art metamaterials. Here, a superhydrophobic metasurface microstructured poly(vinylidene fluoride)...
Two-dimensional (2D) material photodetectors have received considerable attention in optoelectronics as a result of their extraordinary properties, such passivated surfaces, strong light-matter interactions, and broad spectral responses. However, single 2D still suffer from low responsivity, large dark current, long response time atomic-level thickness, binding energy, susceptibility to defects. Here, transition metal trichalcogenide TiS3 with excellent photoelectric characteristics,...
Abstract Polarization multiplexing technology is widely adopted for increasing the capacity in optical communication systems. Especially, silicon‐based integrated polarization division (PDM) receivers with large bandwidth therein play an important role, which are crucial on‐chip large‐capacity interconnection. Here, a PDM receiving chip enabled by two‐dimensional grating couplers and graphene‐on‐plasmonic slot waveguide photodetectors. Utilizing advantages of designed focusing...
Abstract Large‐area patterning of metals in nanoscale has always been a challenge. Traditional microfabrication processes involve many high‐cost steps, including etching and high‐vacuum deposit, which limit the development functional nanostructures, especially multiscale metallic patterns. Here, multiplex laser shock imprinting (MLSI) process is introduced to directly manufacture hierarchical micro/nanopatterns at high strain rate on surfaces using soft optical disks with 1D periodic...
Compared with binary systems, ternary computing systems can utilize fewer devices to realize the same information density. However, most based on CMOS circuits require additional bridge processing and computing. Exploring new device architectures for direct becomes key promoting systems. Here, we demonstrated a 2D van der Waals vertical heterojunction transistor (V-HTR) three flat conductance states, which be basic cell in perform computing, without devices. A neural network (TNN) inverter...
The Asian monsoon affects the natural environment pattern in China, and its origin evolution have been a debated issue paleoclimatology. Recent studies indicate that reached subtropical zone at least ~ 41 Ma expanded to central Tibetan Plateau during Late Oligocene, but more geological evidence is still required confirm spatial evolution. well-developed Oligocene paleosols Lunpola Basin, TP, provide excellent material address above issue. In this paper, various climatic proxy indicators...