A5091029833- Topological Materials and Phenomena
- 2D Materials and Applications
- Terahertz technology and applications
- Superconducting and THz Device Technology
- Advanced Thermoelectric Materials and Devices
- Plasmonic and Surface Plasmon Research
- Hepatocellular Carcinoma Treatment and Prognosis
- Graphene research and applications
- Chalcogenide Semiconductor Thin Films
- Photonic and Optical Devices
- Liver Disease Diagnosis and Treatment
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Sparse and Compressive Sensing Techniques
- Advanced SAR Imaging Techniques
- Electronic Packaging and Soldering Technologies
- Elasticity and Material Modeling
- Advanced MRI Techniques and Applications
- Perovskite Materials and Applications
- Gas Sensing Nanomaterials and Sensors
- Copper Interconnects and Reliability
- 3D IC and TSV technologies
- Lung Cancer Research Studies
- Cancer, Hypoxia, and Metabolism
- Microwave Imaging and Scattering Analysis
- Thermal Radiation and Cooling Technologies
Shanghai Institute of Technical Physics
2022-2025
Donghua University
2021-2025
Southeast University
2024
State Key Laboratory of Millimeter Waves
2024
Guangxi Medical University
2024
Chinese Academy of Sciences
2024
Applied Radar (United States)
2022
Waterborne Environmental (United States)
2022
Despite the considerable effort, fast and highly sensitive photodetection is not widely available at low-photon-energy range (~meV) of electromagnetic spectrum, owing to challenging light funneling into small active areas with efficient conversion an electrical signal. Here, we provide alternative strategy by efficiently integrating manipulating nanoscale optoelectronic properties topological Dirac semimetal PtSe2 its van der Waals heterostructures. Explicitly, realize strong plasmonic...
Abstract Owning unique optical and electronic properties, two dimensional (2D) materials have made remarkable strides in the field of photodetection applications. However, achieving highly sensitive ultra‐broadband detection from microwave to terahertz (THz) range (0.02–0.54 THz) remains a significant challenge for photodetectors. This study presents self‐powered THz photodetector based on VSe 2 its van der Waals heterostructure. The photoresponse is primarily attributed photothermoelectric...
Effective detection is critical for terahertz applications, yet it remains hindered by the unclear mechanisms that necessitate a deeper understanding of photosensitive materials with exotic physical phenomena. Here, we investigate capabilities two-dimensional antiferromagnetic semimetal NbFeTe2. Our study reveals interaction between magnetic moments and electron spin induces disordered carriers to hop localized states, resulting in nonlinear increase responsivity as temperature decreases. We...
Abstract Uncooled broadband spectrum detection, spanning from visible to mid‐wave‐infrared regions, offers immense potential for applications in environmental monitoring, optical telecommunications, and radar systems. While leveraging proven technologies, conventional photodetectors are encumbered by high dark currents the necessity cryogenic cooling. Correspondingly, innovative low‐dimensional materials like black phosphorus manifest weak photoresponse instability. Here, tantalum nickel...
Abstract In terahertz (THz) photodetection, the efficient interaction between light and matter is crucial for enhancing material properties in nonequilibrium states. This work introduces an innovative approach using spiral plasmonic architectures to effectively control inversion‐symmetry coupling, promoting operational efficiency of light‐induced hot‐carrier effects THz band. The strategic design structures, focusing on chirality symmetry, enables successful manipulation a self‐driven...
Abstract The emergence of novel topological semimetal materials, accompanied by exotic non‐equilibrium properties, not only provides a fertile playground for fundamental level interest but also opens exciting opportunities inventing new applications making use different light‐induced effects such as nonlinear optics, optoelectronics, especially the highly pursued terahertz (THz) technology due to gapless electronic structures. Exploring type‐II Weyl endowed with richness quantum wavefunction...
Abstract Dirac fermions are a distinctive feature of topological insulators (TIs) due to the existence topologically protected surface states, making TIs promising choice for long-wavelength photodetection. However, TIs-based photodetection often suffers from significant dark current. This paper demonstrates broadband detection through direct generation photocarriers in metal-MnBi 2 Te 4 (MBT) -metal structures at room temperature. By integrating MBT and Bi 3 into van der Waals structures,...
Terahertz detection has been highly sought to open a range of cutting-edge applications in biomedical, high-speed communications, astronomy, security screening, and military surveillance. Nonetheless, these ideal prospects are hindered by the difficulties photodetection featuring self-powered operation at room temperature. Here, this challenge is addressed for first time synthesizing high-quality ZrGeSe with extraordinary quantum properties Dirac nodal-line semimetal. Benefiting from its...
The exotic electronic properties of topological semimetals (TSs) have opened new pathways for innovative photonic and optoelectronic devices, especially in the highly pursuit terahertz (THz) band. However, most cases Dirac fermions lay far above or below Fermi level, thus hindering their successful exploitation low-energy photonics. Here, type-II kitkaite (NiTeSe) ultrasensitive THz detection through metal-topological semimetal-metal heterostructures are exploited. Furthermore, a...
Abstract The high‐performance detector that operates at the low‐photon‐energy range (≈meV) of electromagnetic spectrum room temperature remains in urgent demand for application a variety important sectors, including 6G communications, security, sensing, medicine, space science, etc. vast 2D‐layered nanomaterials and their distinct layer structures provide an ideal foundation manufacture sophisticated photodetectors detectors with convenient fabrication methods. In this paper, direct...
Terahertz detectors have potential applications in various fields including security inspection, biomedicine, and noninvasive quality inspection due to their ability detect terahertz radiation. However, traditional detection materials reached bottlenecks difficulties the breakthrough of fundamental principles for light. In this work, a detector based on NiTe2–graphene van der Waals heterostructure has been developed inhibit dark current thermal-agitation noise at room temperature. The...
Purpose: The combination of radiotherapy and monoclonal antibody against programmed cell death 1 (anti-PD1) showed preliminary efficacy in hepatocellular carcinoma (HCC). This study aimed to identify the prognostic factors construct a nomogram predict overall survival (OS) patients with advanced HCC after treatment intensity-modulated (IMRT) plus anti-PD1. Patients Methods: OS progression-free (PFS) 102 BCLC stage C was analyzed using Kaplan-Meier method. Potential independent were...
In system level electromigration test of 2.5D IC, Joule heating enhanced failure has been found to occur in redistribution layer the interposer. our samples, there are two layers (RDL), each between every levels solder joints, so three joints. First, microbumps connect a Si chip on top and an interposer middle. Second, flip solders polymer substrate bottom. Third, BGA balls back as I/O connections outside. tests, ball served cathode allowed electrons flow through circuit path-through-holes,...
Graphene, known for its high carrier mobility and broad spectral response range, has proven to be a promising material in photodetection applications. However, dark current limited application as high-sensitivity photodetector at room temperature, particularly the detection of low-energy photons. Our research proposes new approach overcoming this challenge by designing lattice antennas with an asymmetric structure use combination high-quality monolayers graphene. This configuration is...
Recently, black arsenic has joined the novel 2-dimensional van der Waals layered material family as a promising candidate for electronic and photonic applications owing to tunable bandgap with layers, high carrier mobility, anisotropic transport feature. To date, extraordinary technological potential of engineering nanophotoelectronic devices in range from visible near-infrared wavelength not been reported. Here, we succeed devising visible–infrared detectors at 520 1,550 nm, exhibiting...
Terahertz (THz) detection has been extensively studied in the application fields of wireless communication, non-destructive imaging and spectrum inspection, etc., decades. Here, we report that a self-mixing terahertz detector based on hemispherical silicon lens antenna-coupled InGaAs/AlGaAs high electron mobility transistor (HEMT) enables wide detection, improves performances. In this device configuration, optimal log-periodic antenna is used to enhance light field channel, double-gate could...
Purpose Radiotherapy (RT) plays an important role in the treatment of hepatocellular carcinoma (HCC). To screen patients who benefit most from RT, a nomogram for survival prediction RT based on large sample with HCC was created and validated. Methods A total 2,252 cases collected Surveillance, Epidemiology, End Results (SEER) database were separated into training or internal validation cohort 7:3 ratio ( n = 1,565:650). An external our institute obtained 403). LASSO regression Cox analyses...
Ultrasensitive Self-Driven Terahertz Photodetectors The combination of new topological materials and terahertz (THz) technology shows that micro-nano quantum structure is very dynamic in the detection complex feature information photoelectric system, opens up a technical path field THz safety medical imaging. Explicitly, unique electronic properties NiTeSe with type-II Dirac-cone electrons just located nearness Fermi level enable fabrication ultrasensitive antenna-coupled photodetectors....
Infrared Photodetectors In article number 2305380, Libo Zhang, Changlong Liu, Guanhai Li, Xiaoshuang Chen, and co-workers present a novel detector that has wide spectral detection from visible, near-infrared to mid-wave infrared, its strong stability inherent different physical mechanisms make it widely applicable for gas deep space exploration. The could be gradually expanded telescopes detect unknown molecular structures in the infrared band, understand deepest part of distant universe.