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Article
Efficient implementation of majority-inverter graph logic and arithmetic functions with memristor arrays
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Article
An evaluation criterion and a design strategy for high-performance optical phase change materials in absorption-modulated integrated photonics
Phase change materials (PCMs) exhibit unique optical properties and have been widely used in various fields, such as optical memory, optical switches, and optical neuromorphic computing devices. However, owing...
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Article
Open AccessRoom-temperature low-threshold avalanche effect in stepwise van-der-Waals homojunction photodiodes
Avalanche or carrier-multiplication effect, based on impact ionization processes in semiconductors, has a great potential for enhancing the performance of photodetector and solar cells. However, in practical a...
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Article
Mitigating set-stuck failure in 3D phase change memory: substituting square pulses with surge pulses
In the devices that integrate phase change memory (PCM) and ovonic threshold switching (OTS), the OTS threshold voltage often surpasses the RESET operation voltage of PCM. The conventional application of squar...
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Article
A self-selecting memory element based on a method of interconnected ovonic threshold switching device
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Article
Open AccessGiant intrinsic photovoltaic effect in one-dimensional van der Waals grain boundaries
The photovoltaic effect lies at the heart of eco-friendly energy harvesting. However, the conversion efficiency of traditional photovoltaic effect utilizing the built-in electric effect in p-n junctions is res...
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Article
Open AccessOptimal dilation duration of 10 mm diameter balloons after limited endoscopic sphincterotomy for common bile duct stones: a randomized controlled trial
Limited endoscopic sphincterotomy (EST) combined with endoscopic papillary balloon dilation (EPBD) is widely used. However, the optimal duration of small balloon dilation in choledocholithiasis remains controv...
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Article
Open AccessStudy of the growth mechanism of a self-assembled and ordered multi-dimensional heterojunction at atomic resolution
Multi-dimensional heterojunction materials have attracted much attention due to their intriguing properties, such as high efficiency, wide band gap regulation, low dimensional limitation, versatility and scala...
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Article
Computational event-driven vision sensors for in-sensor spiking neural networks
Neuromorphic event-based image sensors capture only the dynamic motion in a scene, which is then transferred to computation units for motion recognition. This approach, however, leads to time latency and can b...
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Article
Reconfigurable, non-volatile neuromorphic photovoltaics
The neural network image sensor—which mimics neurobiological functions of the human retina—has recently been demonstrated to simultaneously sense and process optical images. However, highly tunable responsivit...
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Article
Open AccessThe role of arsenic in the operation of sulfur-based electrical threshold switches
Arsenic is an essential dopant in conventional silicon-based semiconductors and emerging phase-change memory (PCM), yet the detailed functional mechanism is still lacking in the latter. Here, we fabricate chal...
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Article
Open AccessSimultaneously ultrafast and robust two-dimensional flash memory devices based on phase-engineered edge contacts
As the prevailing non-volatile memory (NVM), flash memory offers mass data storage at high integration density and low cost. However, due to the ‘speed-retention-endurance’ dilemma, their typical speed is limi...
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Article
Mixed-dimensional van der Waals heterostructures: Synthesis, properties, and applications
Mixed-dimensional van der Waals (vdW) hetero-integration, in which different materials are physically assembled through vdW forces, offers a promising bond-free integration strategy without lattice matching an...
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Article
Van der Waals integration of two-dimensional materials and bulk semiconductors for infrared photodetection technology
Van der Waals integration of two-dimensional (2D) materials and bulk semiconductors can combine their respective advantages, enabling multifunctional electronic and optoelectronic devices. Significant progress...
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Article
High-performance violet phosphorus photodetectors with van der Waals-assisted contacts
Black phosphorus (BP) as a narrow-bandgap two-dimensional semiconductor material has been extensively studied. And the allotrope violet phosphorus (VP) exhibits wide bandgap properties extending the applicatio...
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Article
All-van der Waals stacking ferroelectric field-effect transistor based on In2Se3 for high-density memory
High-density integration of ferroelectric field-effect transistors (FeFETs) is hindered by factors such as interfacial states, short-channel effects, and ferroelectricity degradation in ultrathin films. Accord...
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Article
Low-Temperature Cleanup Followed by Dispersive Solid-Phase Extraction for Determination of Nine Polar Plant Growth Regulators in Herbal Matrices Using Liquid Chromatography–Tandem Mass Spectrometry
Polar plant growth regulators, used alone or doped in fertilizers, are most effective and widely utilized plant growth regulators (PGRs) in agriculture, which play important roles in mediating the yield and qu...
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Article
Two-dimensional materials-based integrated hardware
In recent years, two-dimensional (2D) materials-based fundamental preparing process such as high-quality wafer-level single crystal thin film synthesis technology and high-performance electrode preparing techn...
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Article
Open AccessManipulating exchange bias in 2D magnetic heterojunction for high-performance robust memory applications
The exchange bias (EB) effect plays an undisputed role in the development of highly sensitive, robust, and high-density spintronic devices in magnetic data storage. However, the weak EB field, low blocking tem...
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Article
Modeling and physical mechanism analysis of the effect of a polycrystalline-ferroelectric gate on FE-FinFETs
