Ferroelectric-Based Optoelectronic Synapses for Visual Perception: From Materials to Systems DOI Creative Commons
Yuqing Hu, Yixin Zhu,

Xinli Chen

et al.

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(11), P. 863 - 863

Published: June 4, 2025

More than 70% of the information humans acquire from external environment is derived through visual system, where photosensitive function plays a pivotal role in biological perception system. With rapid development artificial intelligence and robotics technology, achieving human-like has attracted great amount attention. The neuromorphic system provides novel solution for efficient low-power processing by simulating working principle In recent years, ferroelectric materials have shown broad application prospects field due to their unique spontaneous polarization characteristics non-volatile response behavior under regulation. Especially tunable retinal neural synapses, storage processing, constructing dynamic sensing, performance advantages. this review, progress based on discussed, elaborating detail device structure, material systems, applications, exploring potential future trends challenges faced field.

Language: Английский

Object Motion Detection Enabled by Reconfigurable Neuromorphic Vision Sensor under Ferroelectric Modulation DOI
Zhaoying Dang, Feng Guo, Zhaoqing Wang

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 26, 2024

Increasing the demand for object motion detection (OMD) requires shifts of reducing redundancy, heightened power efficiency, and precise programming capabilities to ensure consistency accuracy. Drawing inspiration from motion-sensitive ganglion cells, we propose an OMD vision sensor with a simple device structure WSe

Language: Английский

Citations

11

Near-Infrared Response Organic Synaptic Transistor for Dynamic Trace Extraction DOI

Wanhong Luan,

Zherui Zhao,

Hang Li

et al.

The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: 15(34), P. 8845 - 8852

Published: Aug. 21, 2024

The development of neuromorphic hardware capable detecting and recognizing moving targets through an in-sensor computing strategy is considered to be important component the construction edge systems with distributed computation. In addition responsiveness visible light, implementation should also demonstrate ability sense process nonvisible which essential for tracking target object trajectories in specialized environments. this work, we fabricated organic synaptic transistor a near-infrared (NIR) response by incorporating doped LaF3: Yb/Ho upconversion quantum dots (UCQDs) into channel Poly3-hexylthiophene (P3HT)-based field effect (FET), serving as charge trapping infrared sensing sites. obtained not only replicates common behaviors when exposed NIR illumination but demonstrates potential applications dynamic trajectory recognition animals dark. Compared other monitoring technologies, P3HT transistors UCQDs exhibit distinct advantages, including response, high-efficiency computing, sensitivity, provide experimental foundation design reference next-generation intelligent image systems.

Language: Английский

Citations

4

Ferroelectric Perovskite/MoS2 Channel Heterojunctions for Wide‐Window Nonvolatile Memory and Neuromorphic Computing DOI Open Access
Haojie Xu,

Fapeng Sun,

Enlong Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 24, 2024

Abstract Ferroelectric materials commonly serve as gate insulators in typical field‐effect transistors, where their polarization reversal enables effective modulation of the conductivity state channel material, thereby realizing non‐volatile memory. Currently, novel 2D ferroelectrics unlock new prospects next‐generation electronics and neuromorphic computation. However, advancement these is impeded by limited selectivity narrow memory windows. Here, concepts ferroelectric perovskite/MoS 2 heterostructures transistors are presented, which perovskite features customizable band structure, few‐layered ferroelectricity, submillimeter‐size monolayer wafers. Further studies reveal that devices exhibit unique charge polarity (from n ‐ to p ‐type channel) remarkable nonvolatile behavior, especially record‐wide hysteresis windows up 177 V, efficient imitation biological synapses achieves high recognition accuracy for electrocardiogram patterns. This result provides a device paradigm future artificial synaptic applications.

Language: Английский

Citations

4

Robust Giant Tunnel Electroresistance and Negative Differential Resistance in 2D Semiconductor/α‐In2Se3 Ferroelectric Tunnel Junctions DOI
Yingjie Luo, Jiwei Chen, Aumber Abbas

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(34)

Published: June 27, 2024

Abstract Ferroelectric tunnel junctions (FTJs) have gained substantial attention as emerging electronic devices such nonvolatile memory and artificial synapse, owing to their low power consumption properties. In this work, a 2D semiconductor (2DS)/α‐In 2 Se 3 /metal FTJ structure is proposed that combines ferroelectric material semiconducting electrode. The incorporation of 2DS not only enhances the barrier height modulation but also provides an effective approach mitigate thermionic current leakage. Notably, MoS /α‐In /Ti FTJs exhibit both room‐temperature negative differential resistance (NDR) effect high electroresistance (TER) exceeding 10 4 simultaneously. Furthermore, versatility extends several (including , PdSe SnSe ) graphene electrodes rationalize tunneling transport mechanisms. 2DS/α‐In present great superiority over existing structures in terms robustness, temperature independence, TER, for various potential application scenarios.

Language: Английский

Citations

3

Emerging 2D Materials Hardware for In-sensor Computing DOI

Yufei Shi,

Ngoc Thanh Duong,

Kah‐Wee Ang

et al.

Nanoscale Horizons, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

This review covers recent advancements and future directions in 2DM-based devices for in-sensor computing, focusing on unique physical mechanisms sensory responses, biomimetic synaptic features, potential applications.

Language: Английский

Citations

3

New Device Strategy for Multilevel Nociceptor-Mediated Synaptic Analogs DOI
Chengdong Yang, Xinwei Li,

Linlin Su

et al.

ACS Photonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

In-sensor neuromorphic computing promises to operate real-time information perception and processing on a hardware level based the no-latency state adaptability. Furthermore, an essentially parallel compute-in-memory architecture could address inherent efficiency limitation of conventional von Neumann architecture, resulting from redundant data transmission. As efficient platform, it has expanded into complex bionic interaction application field, leading new possibilities for powerful neural network implementation. first line defense against any potential damage, pain sense represents alarm triggered by external noxious stimuli drives some nociceptive reactions avoid risks. Although there is progress in devices as nociceptor-mediated synaptic analogs, few studies obtain clear threshold feature fully present their high-threshold nature, no have been able define levels (all previous works only one jumping represent production pain) that are key adaptive system. In our device scheme, tunneling modes were used switch operating modes, where changes occur following photogating field scanning. Besides, we easily tune properties layer via its thickness, which nociceptors containing different produced. Based these, not systematically mimicked normal synapse but also displayed features level-I, level-II, level-III specific stimulation patterns.

Language: Английский

Citations

0

A review of hafnium-based ferroelectrics for advanced computing DOI

Xiangdong Xu,

Z. Luo,

Huabin Sun

et al.

Solid-State Electronics, Journal Year: 2025, Volume and Issue: unknown, P. 109053 - 109053

Published: Jan. 1, 2025

Language: Английский

Citations

0

Advanced Materials Research at CUHK: From Biomedicine to Electronics and Beyond DOI
Chuanbin Mao

Advanced Materials, Journal Year: 2025, Volume and Issue: 37(2)

Published: Jan. 1, 2025

This special issue spans a diverse array of topics, including nanomedicine, tissue engineering, regenerative medicine, organs-on-chips, biosensing, soft robotics, smart devices, nanofabrication, energy saving and storage, catalysis, spintronics, electronics, neuromorphic computing. It showcases the breadth depth advanced materials research at Chinese University Hong Kong (CUHK), highlighting innovation, collaboration, excellence CUHK's scientists.

Language: Английский

Citations

0

Synergistic Control of Ferroelectric and Optical Properties in Molecular Ferroelectric for Multiplexing Nonvolatile Memory DOI Open Access

Xiao‐Xing Cao,

Suwan Ding, Guo‐Wei Du

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Abstract Utilizing the correlation among diverse physical properties to facilitate multiplexing and multistate memory is anticipated emerge as an efficient strategy enhance capacity, achieve device miniaturization, ensure information security. As important functional material, ferroelectrics have long been considered a potential candidate in devices. Furthermore, integration of optical response offers alternative path realizing features, further enhancing versatility efficiency these However, combining ferroelectricity activity always challenging because very sensitive crystal structure. In this study, on between ferroelectric polarization (FP) molecular trimethylchloromethyl ammonium trichloromanganese (TMCM‐MnCl 3 ) reported. This research demonstrated that FP can modulate photoluminescence (PL) emission, while illumination trigger reversal. Based these, both electric‐writing optical‐reading (EWOR) optical‐writing electrical‐reading (OWER) modes conclusively established, seamless transition two be achieved by adjusting excitation light intensity. These findings reveal intriguing interconnection imply viability implementing functionalities systems based ferroelectrics.

Language: Английский

Citations

0

Emerging Optoelectronic Applications of Sliding Ferroelectricity DOI Open Access
Shuang Du,

Jijian Liu,

Shoujun Zheng

et al.

Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown

Published: March 2, 2025

Abstract Sliding ferroelectricity, a novel type of is discovered in some van der Waals materials, where polarization switching can be achieved through in‐plane interlayer sliding. The ferroelectric involves atomic displacements during the process, which makes sliding materials advantageous terms high speed, low barriers, and fatigue resistance contrast to conventional bulk materials. specific mechanism creates an opportunity for exploring numerous practical applications such as high‐speed storage, photovoltaic effect, neuromorphic computing. In this review, recently emerging are aimed summarize prospect future developing tendency First, mechanisms typical characterization methods briefly introduced. Second, recent progress summarized including field‐effect transistors, tunneling junction, memristor, multi‐bit superconductivity, random‐access memory, ultra‐fast optical response, effect. Finally, outlook on potential provided offer insight into current challenges further development advanced optoelectronic devices based ferroelectricity.

Language: Английский

Citations

0