Results 91 to 100 of about 1,669 (167)

In Situ Control of Reactive Mesogens Alignment During 3D Printing by Two‐Photon Lithography

open access: yesAdvanced Science, EarlyView.
Manipulating material properties at the microscale is crucial for 3D printing of smart microdevices. Two‐photon lithography directly patterns molecular alignment in liquid crystal resists. The polymerization reaction wavefront along the writing path induces an easy‐axis for the mesogenic moieties.
Tiziana Ritacco   +4 more
wiley   +1 more source

Gate‐Tunable Dual‐Mode Optoelectronic Device for Self‐Powered Photodetector and Optoelectronic Synapse

open access: yesAdvanced Science, EarlyView.
A gate‐tunable MoTe₂/MoS₂ heterostructure‐based dual‐mode optoelectronic device functions as both a self‐powered photodetector and an optoelectronic synapse. It leverages the photovoltaic effect for photodetection and trapping states for synaptic behavior. Gate modulation enables seamless switching, paving the way for integrating neuromorphic computing
Yi Ouyang   +5 more
wiley   +1 more source

Targeted Additive Micromodulation of Grain Size in Nanocrystalline Copper Nanostructures by Electrohydrodynamic Redox 3D Printing

open access: yesSmall, Volume 18, Issue 51, December 22, 2022., 2022
Additive manufacturing at the micro‐/nanoscale offers unique opportunities for the fabrication of materials with complex, 3D graded composition or microstructure. Here, an overview of the wide range of microstructure accessed in pure copper by electrohydrodynamic redox 3D printing is presented, and on‐the‐fly modulation of grain size in 200 nm diameter
Maxence Menétrey   +5 more
wiley   +1 more source

Open-Source Differentiable Lithography Imaging Framework [PDF]

open access: yesarXiv
The rapid evolution of the electronics industry, driven by Moore's law and the proliferation of integrated circuits, has led to significant advancements in modern society, including the Internet, wireless communication, and artificial intelligence (AI).
arxiv  

Micro‐Coil Neuromodulation at Single‐Cell and Circuit Levels for Inhibiting Natural Neuroactivity, Neutralizing Electric Neural Excitation, and Suppressing Seizures

open access: yesAdvanced Science, EarlyView.
Micromagnetic stimulation (µMS) offers a precise method for neural inhibition, complementing existing neuromodulation techniques. Using an implantable micro‐coil device, µMS selectively suppresses cortical activity with high spatial resolution. It effectively counteracts micro‐electrode stimulation and reduces seizure amplitude, highlighting its ...
Kayeon Kim   +11 more
wiley   +1 more source

2D Programmable Photodetectors Based on WSe2/h‐BN/Graphene Heterojunctions

open access: yesAdvanced Science, EarlyView.
A programmable non‐volatile bipolar semi‐floating gate photovoltaic photodetector is developed, enabling reversible light response switching and improved response speed. This capability facilitates the successful implementation of the device in dual‐channel optoelectronic hybrid communication, fulfilling the performance demands of high‐speed, large ...
Zhihao Wang   +12 more
wiley   +1 more source

A Bias‐Tunable Multispectral Photodetector Based on a GaN/TexSe1‐x Homo‐Type Heterojunction with a Unidirectional Barrier

open access: yesAdvanced Science, EarlyView.
A bias‐tunable multispectral photodetector based on a TexSe1‐x/GaN homo‐type heterojunction with a unidirectional barrier is proposed. By modulating the bias polarity and magnitude, the device's spectral response range can be extended from UV to the SWIR region.
Weijie Liu   +14 more
wiley   +1 more source

Wearable Hyperspectral Photoplethysmography Allows Continuous Monitoring of Exercise‐Induced Hypertension

open access: yesAdvanced Science, EarlyView.
A wearable hyperspectral photoplethysmography (HS‐PPG) is reported for continuous blood pressure (BP) monitoring. The HS‐PPG module integrates an ultrathin double‐folded solid immersion grating microspectrometer (DFSIG‐µSPEC), achieving a high spectral resolution of 3.4 nm.
Jung‐Woo Park   +8 more
wiley   +1 more source

Pushing the Frontiers: Artificial Intelligence (AI)‐Guided Programmable Concepts in Binary Self‐Assembly of Colloidal Nanoparticles

open access: yesAdvanced Science, EarlyView.
Colloidal nanoparticles self‐assembly advances towards intelligent, customized assembly through precise control of binary co‐assemblies. This review explores the evolution from monolithic to binary assemblies, highlighting how the AI‐guided programmable assembly approach has the potential to shift from passive assembly to active intelligent design.
Cancan Li   +5 more
wiley   +1 more source

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