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A spiking artificial neuron based on one diffusive memristor, one transistor and one resistor 基于一个扩散性忆阻器、一个晶体管和一个电阻器的尖峰人工神经元
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-27 DOI: 10.1038/s41928-025-01488-x
Ruoyu Zhao, Tong Wang, Taehwan Moon, Yichun Xu, Jian Zhao, Piyush Sud, Seung Ju Kim, Han-Ting Liao, Ye Zhuo, Rivu Midya, Shiva Asapu, Dawei Gao, Zixuan Rong, Qinru Qiu, Cynthia Bowers, Krishnamurthy Mahalingam, S. Ganguli, A. K. Roy, Qing Wu, Jin-Woo Han, R. Stanley Williams, Yong Chen, J. Joshua Yang
Neuromorphic computing could be used to create artificial intelligence with high compactness and efficiency. However, complementary metal–oxide–semiconductor (CMOS) circuits are inherently different to biological neurons, and intricate CMOS circuits are needed to realize neuromorphic behaviours. Diffusive memristors are based on ion dynamics and have similarities with biological neurons. They could, thus, be used to create energy- and area-efficient neuromorphic systems. Here we describe a spiking artificial neuron comprising one diffusive memristor, one transistor and one resistor (1M1T1R), which occupies the footprint of a single transistor when vertically integrated. Our neuron exhibits six key neuronal characteristics: leaky integration, threshold firing, cascaded connection, intrinsic plasticity, refractory period and stochasticity. The energy consumption of our 1M1T1R neuron reaches the picojoule per spike level and could reach attojoule per spike levels with further scaling. We simulate a recurrent spiking neural network based on our artificial neuron model and show the impact of the key neuronal characteristics on system performance. An artificial neuron that is based on one diffusive memristor, one transistor and one resistor can exhibit six key biological neuronal characteristics—leaky integration, threshold firing, cascaded connection, intrinsic plasticity, refractory period and stochasticity—with the footprint of a single transistor when vertically integrated.
神经形态计算可以用来创造高度紧凑和高效的人工智能。然而,互补金属氧化物半导体(CMOS)电路本质上不同于生物神经元,需要复杂的CMOS电路来实现神经形态行为。扩散性忆阻器基于离子动力学原理,与生物神经元有相似之处。因此,它们可以用来创造能量和面积效率高的神经形态系统。在这里,我们描述了一个由一个扩散忆阻器、一个晶体管和一个电阻(1M1T1R)组成的尖峰人工神经元,当垂直集成时,它占用单个晶体管的占地面积。我们的神经元表现出六个关键的神经元特征:泄漏整合、阈值放电、级联连接、内在可塑性、不应期和随机性。我们的1M1T1R神经元的能量消耗达到了每尖峰皮焦耳的水平,如果进一步扩展,可以达到每尖峰1焦耳的水平。我们在人工神经元模型的基础上模拟了一个循环尖峰神经网络,并展示了关键神经元特征对系统性能的影响。一个人造神经元基于一个扩散性忆阻器、一个晶体管和一个电阻器,可以展示六个关键的生物神经元特征——漏集成、阈值激发、级联连接、内在可塑性、不应期和随机性——而当垂直集成时,它的覆盖面积只有一个晶体管。
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引用次数: 0
Emerging characterization challenges 新出现的表征挑战
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-27 DOI: 10.1038/s41928-025-01497-w
Characterizing the performance and assessing the technological potential of devices based on emerging semiconductors such as perovskites is challenging. Third-party certification processes, as well as more standardized approaches to device testing, could help.
表征性能和评估基于新兴半导体(如钙钛矿)的设备的技术潜力是具有挑战性的。第三方认证流程以及更标准化的设备测试方法可能会有所帮助。
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引用次数: 0
Implantable fibres made of rolled-up electronics 由卷起的电子产品制成的可植入纤维
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-20 DOI: 10.1038/s41928-025-01492-1
Yan Huang
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引用次数: 0
A thin hydrogel that won’t dry out 一种不会变干的薄水凝胶
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-20 DOI: 10.1038/s41928-025-01493-0
Matthew Parker
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引用次数: 0
Metaphotonic photodetectors for direct Stokes quantification 直接斯托克斯量化的变光子光电探测器
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-20 DOI: 10.1038/s41928-025-01481-4
Xingsi Liu, Yinzhu Chen, Xianghong Kong, Weixin Liu, Zhenhua Ni, Junpeng Lu, Qi Jie Wang, Chengkuo Lee, Jingxuan Wei, Cheng-Wei Qiu
Metaphotonics uses nanoengineered materials to manipulate the electromagnetic fields and is of use in multidimensional optoelectronic applications such as Stokes detection. Machine learning algorithms are often used in the device design and post-signal processing of these systems. During post-signal processing, such algorithms can be used to reconstruct the physical quantities from multiparameter optical responses, typically via inversion of the system’s response function. However, when response channels are coupled or signal amplitudes vary greatly, post-detection decoding becomes difficult due to potential information loss. Here we report a metaphotonic photodetector capable of direct Stokes quantification. We use channel-level decoupling to design independent photovoltage channels for each Stokes parameter with minimal crosstalk. The device responsivity matrix achieves a near-unity condition number, reducing reliance on complex algorithmic post-processing. Our approach illustrates how device-level optimization can enhance detection capabilities in parallel with algorithmic techniques. Using channel-level decoupling to design independent photovoltage channels for each Stokes parameter with minimal crosstalk, a metaphotonic photodetector can be created that provides direct Stokes quantification.
变光子学使用纳米工程材料来操纵电磁场,并用于多维光电应用,如斯托克斯检测。机器学习算法常用于这些系统的设备设计和信号后处理。在信号后处理过程中,这种算法可用于从多参数光学响应中重建物理量,通常是通过对系统响应函数的反演。然而,当响应通道耦合或信号幅度变化较大时,由于潜在的信息丢失,检测后解码变得困难。在这里,我们报告了一种能够直接斯托克斯量化的变光子光电探测器。我们使用通道级解耦来设计具有最小串扰的每个Stokes参数的独立光电压通道。器件响应矩阵实现了接近统一的条件数,减少了对复杂算法后处理的依赖。我们的方法说明了设备级优化如何与算法技术并行地增强检测能力。利用通道级解耦为每个Stokes参数设计具有最小串扰的独立光电压通道,可以创建一个提供直接Stokes量化的变光子光电探测器。
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引用次数: 0
A tale of microrobot communication 一个微型机器人交流的故事
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-20 DOI: 10.1038/s41928-025-01494-z
Katharina Zeissler
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引用次数: 0
Capillary flow printing of submicrometre carbon nanotube transistors 亚微米碳纳米管晶体管的毛细管流动印刷
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-17 DOI: 10.1038/s41928-025-01470-7
Brittany N. Smith, Faris M. Albarghouthi, James L. Doherty, Xuancheng Pei, Quentin Macfarlane, Matthew Salfity, Daniel Badia, Marc Pascual, Pascal Boncenne, Nathan Bigan, Amin M’Barki, Aaron D. Franklin
Printed transistors have a wide range of applications, but the limited resolution of printing techniques (10–30 µm) has been a barrier to utility and scalability. Printed submicrometre channel lengths have previously been achieved. However, this has required chemical processes or tedious post-processing, which limits applicability. Here we show that capillary flow printing can create submicrometre carbon nanotube thin-film transistors without chemical modification or physical manipulation after printing. We show that the approach can be used to print conducting, semiconducting and insulating inks on different types of substrate (silicon, Kapton and paper), and can be used to fabricate various thin-film transistor device architectures. The printed carbon nanotube thin-film transistors exhibit on-currents of 1.12 mA mm−1 when back gated on Si/SiO2 and 490 µA mm−1 when side gated through ion gel on Kapton. We also show that devices printed on Kapton offer mechanical bending and sweep rate resilience, illustrating the potential of these printed devices for flexible applications. A capillary flow printing technique can be used to fabricate printed carbon nanotube thin-film transistors with submicrometre channel lengths on rigid or flexible substrates.
印刷晶体管具有广泛的应用,但印刷技术的有限分辨率(10-30 μ m)一直是实用性和可扩展性的障碍。印刷亚微米通道长度以前已经实现。然而,这需要化学过程或繁琐的后处理,这限制了适用性。在这里,我们证明了毛细管流动印刷可以在印刷后不需要化学修饰或物理操作的情况下制造亚微米碳纳米管薄膜晶体管。我们证明,该方法可用于在不同类型的衬底(硅、卡普顿和纸)上印刷导电、半导体和绝缘油墨,并可用于制造各种薄膜晶体管器件结构。在Si/SiO2上背门控时,碳纳米管薄膜晶体管的导通电流为1.12 mA mm−1,在Kapton上通过离子凝胶侧门控时,导通电流为490µA mm−1。我们还表明,在Kapton上印刷的设备具有机械弯曲和扫描速率弹性,说明了这些印刷设备在灵活应用方面的潜力。毛细管流动印刷技术可用于在刚性或柔性衬底上制备通道长度为亚微米的碳纳米管薄膜晶体管。
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引用次数: 0
Non-volatile methylammonium chloride substitution for tin halide perovskite transistors 非挥发性甲基氯化铵取代卤化锡钙钛矿晶体管
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-17 DOI: 10.1038/s41928-025-01467-2
Hansol Park, Cheong Beom Lee, Jongmin Lee, Seon-Jeong Lim, Bum Ho Jeong, Hakjun Kim, Seong Jae Lee, Hayoung Oh, Hyungju Ahn, Do Hwan Kim, Kyeounghak Kim, Hui Joon Park
Tin halide perovskites are a potential p-type channel material for thin-film transistors due to their high room-temperature hole mobility and easy processability. However, creating a high-quality thin film with a three-dimensional tin halide perovskite is challenging due to its inherent instability and defect density. Here we show that the coordinated control of A-site cations and X-site anions in a three-dimensional perovskite, formamidinium tin iodide (FASnI3), using methylammonium chloride (MACl) can stabilize the crystal structure. Unlike lead halide perovskites, where MACl functions only as a volatile intermediate-phase stabilizer, we show that MACl is incorporated into the FASnI3 crystal structure through the substitution of FA and I components with MA and Cl, which enhances its stability. The resulting uniform thin films offer improved crystallinity and larger grain sizes. A MACl-substituted FASnI3 transistor exhibits a field-effect hole mobility of over 80 cm2 V−1 s−1, an on/off current ratio over 3.0 × 109 and a threshold voltage of around 0 V, as well as high operational reliability and hysteresis-free behaviour. A three-dimensional tin halide perovskite can be stabilized by incorporating methylammonium chloride into the perovskite structure and used to create p-type thin-film transistors with a hole mobility of over 80 cm2 V−1 s−1.
卤化锡钙钛矿具有较高的室温空穴迁移率和易加工性,是一种潜在的p型薄膜晶体管沟道材料。然而,由于其固有的不稳定性和缺陷密度,用三维卤化锡钙钛矿制造高质量的薄膜是具有挑战性的。本研究表明,使用甲基氯化铵(MACl)协调控制三维钙钛矿甲脒碘化锡(FASnI3)中的a位阳离子和x位阴离子可以稳定晶体结构。与卤化铅钙钛矿不同,MACl仅作为挥发性中间相稳定剂起作用,我们发现MACl通过MA和Cl取代FA和I组分加入到FASnI3晶体结构中,从而增强了其稳定性。所得的均匀薄膜提供了更好的结晶度和更大的晶粒尺寸。macl取代的FASnI3晶体管具有超过80 cm2 V−1 s−1的场效应空穴迁移率,超过3.0 × 109的开/关电流比和约0 V的阈值电压,以及高工作可靠性和无迟滞行为。通过在钙钛矿结构中加入甲基氯化铵,可以稳定三维卤化锡钙钛矿,并用于制造空穴迁移率超过80 cm2 V−1 s−1的p型薄膜晶体管。
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引用次数: 0
Third-party certification of high mobility values in perovskite transistors 钙钛矿晶体管中高迁移率值的第三方认证
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-17 DOI: 10.1038/s41928-025-01415-0
Yuanyuan Hu, Lang Jiang
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引用次数: 0
Three-dimensional integrated hybrid complementary circuits for large-area electronics 用于大面积电子学的三维集成混合互补电路
IF 40.9 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2025-10-17 DOI: 10.1038/s41928-025-01469-0
Saravanan Yuvaraja, Mohamad Insan Nugraha, Qiao He, Leo Raj Solay, Patsy Arely Miranda Cortez, Na Xiao, Martin Heeney, Thomas D. Anthopoulos, Xiaohang Li
The development of low-power computing sectors requires compact, power-efficient and high-performance integrated circuits. Hybrid technology that combines n-type metal oxide thin-film transistors and p-type organic thin-film transistors offers a potential solution. However, increasing the transistor density of these systems through vertical stacking is challenging due to issues related to thermal budget and interface roughness. Here we report a six-stack hybrid complementary transistor technology that has 41 layers and uses n-type indium oxide (In2O3) and a p-type organic semiconductor (C16IDT-BT) as channel materials. We test 600 transistors and show that n-type oxide devices and p-type organic devices exhibit comparable field-effect mobilities and saturation currents. We also create 300 hybrid inverters by integrating the oxide and organic transistors; the circuits exhibit a gain of 94.84 V V−1 and a power consumption of 0.47 µW. We also fabricate NAND and NOR gates comprising transistors from four stacks. Thermal stability analysis shows that device characteristics begin to degrade above 50 °C, a known limitation of low-thermal-budget processes. Such performance is sufficient for many large-area electronics applications, but further thermal optimization will be necessary to extend operational robustness towards standard industrial conditions. A six-stack hybrid complementary transistor technology that uses n-type indium oxide and a p-type organic semiconductor as channel materials can be used to build inverters that exhibit a gain of 94.84 V V−1 and a power consumption of 0.47 µW.
低功耗计算领域的发展需要紧凑、节能和高性能的集成电路。结合n型金属氧化物薄膜晶体管和p型有机薄膜晶体管的混合技术提供了一个潜在的解决方案。然而,由于与热预算和界面粗糙度相关的问题,通过垂直堆叠来增加这些系统的晶体管密度是具有挑战性的。在这里,我们报告了一种六层混合互补晶体管技术,该技术有41层,使用n型氧化铟(In2O3)和p型有机半导体(C16IDT-BT)作为通道材料。我们测试了600个晶体管,并表明n型氧化物器件和p型有机器件具有相当的场效应迁移率和饱和电流。我们还通过集成氧化物和有机晶体管创造了300个混合逆变器;电路增益为94.84 V V−1,功耗为0.47µW。我们还制造由四层晶体管组成的NAND和NOR门。热稳定性分析表明,器件特性在50°C以上开始退化,这是已知的低热预算工艺的限制。这样的性能对于许多大面积的电子应用来说已经足够了,但是进一步的热优化将是必要的,以扩展在标准工业条件下的操作稳健性。采用n型氧化铟和p型有机半导体作为沟道材料的六叠混合互补晶体管技术可用于构建增益为94.84 V V−1,功耗为0.47 μ W的逆变器。
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引用次数: 0
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Nature Electronics
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