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We propose a quantum gate architecture that allows for the systematic control of the effective exchange interactions between magnetic impurities embedded in nano-scale graphene flakes connected by a gated bridge. The entanglement between…

Mesoscale and Nanoscale Physics · Physics 2021-09-06 Phillip Weinberg , Adrian E. Feiguin

Flexible metal oxide/graphene oxide hybrid multi-gate neuron transistors were fabricated on flexible graphene substrates. Dendritic integrations in both spatial and temporal modes were successfully emulated, and spatiotemporal correlated…

Neurons and Cognition · Quantitative Biology 2016-09-02 Chang Jin Wan , Wei Wang , Li Qiang Zhu , Yang Hui Liu , Ping Feng , Zhao Ping Liu , Yi Shi , Qing Wan

In this letter, we demonstrate a non-volatile memory device in a graphene FET structure using ferroelectric gating. The binary information, i.e. "1" and "0", is represented by the high and low resistance states of the graphene working…

Mesoscale and Nanoscale Physics · Physics 2009-04-23 Yi Zheng , Guang-Xin Ni , Chee-Tat Toh , Ming-Gang Zeng , Shu-Ting Chen , Kui Yao , Barbaros Ozyilmaz

Functional connectivity (FC) as derived from fMRI has emerged as a pivotal tool in elucidating the intricacies of various psychiatric disorders and delineating the neural pathways that underpin cognitive and behavioral dynamics inherent to…

Neurons and Cognition · Quantitative Biology 2024-01-22 Gang Qu , Anton Orlichenko , Junqi Wang , Gemeng Zhang , Li Xiao , Aiying Zhang , Zhengming Ding , Yu-Ping Wang

Although inspired by neuronal systems in the brain, artificial neural networks generally employ point-neurons, which offer far less computational complexity than their biological counterparts. Neurons have dendritic arbors that connect to…

Emerging Technologies · Computer Science 2025-10-22 A N M Nafiul Islam , Xuezhong Niu , Jiahui Duan , Shubham Kumar , Kai Ni , Abhronil Sengupta

The effects of thermal fluctuations on the morphology of two-dimensional materials are hard to harness. We propose that a geometrically constrained graphene nanoribbon (GNR) can exhibit thermally activated snap-through transitions with a…

Soft Condensed Matter · Physics 2025-11-18 Renjie Zhao , Yiquan Zhang , Chenglin Luo , Yihang Wang

Despite all the progress of semiconductor integrated circuit technology, the extreme complexity of the human cerebral cortex makes the hardware implementation of neuromorphic networks with a comparable number of devices exceptionally…

Emerging Technologies · Computer Science 2015-05-20 Mirko Prezioso , Farnood Merrikh-Bayat , Brian Hoskins , Gina Adam , Konstantin K. Likharev , Dmitri B. Strukov

Optical wave-based computing has enabled the realization of real-time information processing in both space and time domains. In the past few years, analog computing has experienced rapid development but mostly for a single function.…

Applied Physics · Physics 2021-04-23 Ali Momeni , Kasra Rouhi , Romain Fleury

An energy-efficient voltage controlled domain wall device for implementing an artificial neuron and synapse is analyzed using micromagnetic modeling in the presence of room temperature thermal noise. By controlling the domain wall motion…

Mesoscale and Nanoscale Physics · Physics 2020-03-31 Md Ali Azam , Dhritiman Bhattacharya , Damien Querlioz , Caroline A. Ross , Jayasimha Atulasimha

Non-Boolean computing based on emerging post-CMOS technologies can potentially pave the way for low-power neural computing platforms. However, existing work on such emerging neuromorphic architectures have either focused on solely mimicking…

Emerging Technologies · Computer Science 2016-11-15 Abhronil Sengupta , Yong Shim , Kaushik Roy

The absence of a band gap in graphene restricts its straight forward application as a channel material in field effect transistors. In this letter, we report on a new approach to engineer a band gap in graphene field effect devices (FED) by…

Materials Science · Physics 2009-11-13 T. J. Echtermeyer , M. C. Lemme , M. Baus , B. N. Szafranek , A. K. Geim , H. Kurz

A nanoscale device consisting of a metal nanowire, a dielectric, and a gate is proposed. A combination of quantum and thermal stochastic effects enable the device to have multiple functionalities, serving alternately as a transistor, a…

Mesoscale and Nanoscale Physics · Physics 2010-09-06 J. Bürki , C. A. Stafford , D. L. Stein

Aside from recent advances in artificial intelligence (AI) models, specialized AI hardware is crucial to address large volumes of unstructured and dynamic data. Hardware-based AI, built on conventional complementary metal-oxidesemiconductor…

The excellent mechanical properties make graphene promising for realizing nanomechanical resonators with high resonant frequencies, large quality factors, strong nonlinearities, and the capability to effectively interface with various…

Mesoscale and Nanoscale Physics · Physics 2025-07-24 Yi-Bo Wang , Zhuo-Zhi Zhang , Chen-Xu Wu , Yu-Shi Zhang , Guo-Sheng Lei , Xiang-Xiang Song , Guo-Ping Guo

Artificial neural networks and computational neuroscience models have made tremendous progress, allowing computers to achieve impressive results in artificial intelligence (AI) applications, such as image recognition, natural language…

Neural and Evolutionary Computing · Computer Science 2019-11-05 Giacomo Indiveri , Yulia Sandamirskaya

Neuromorphic devices, with their distinct advantages in energy efficiency and parallel processing, are pivotal in advancing artificial intelligence applications. Among these devices, memristive transistors have attracted significant…

Applied Physics · Physics 2024-11-08 Shengbo Wang , Jingfang Pei , Cong Li , Xuemeng Li , Li Tao , Arokia Nathan , Guohua Hu , Shuo Gao

It is shown that one can explore the optical conductivity of graphene, together with the ability of controlling its electronic density by an applied gate voltage, in order to achieve resonant coupling between an external electromagnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Yu. V. Bludov , M. I. Vasilevskiy , N. M. R. Peres

We report a detailed study of neuromorphic switching behaviour in inherently complex percolating networks of self-assembled metal nanoparticles. We show that variation of the strength and duration of the electric field applied to this…

Disordered Systems and Neural Networks · Physics 2019-03-06 S. K. Bose , S. Shirai , J. B. Mallinson , S. A. Brown

Neuron is the most important building block in our brain, and information processing in individual neuron involves the transformation of input synaptic spike trains into an appropriate output spike train. Hardware implementation of neuron…

Neurons and Cognition · Quantitative Biology 2015-11-19 Changjin Wan , Liqiang Zhu , Yanghui Liu , Ping Feng , Zhaoping Liu , Hailiang Cao , Peng Xiao , Yi Shi , Qing Wan

Graphene electrodes provide a suitable alternative to metal contacts in molecular conduction nanojunctions. Here, we propose to use graphene electrodes as a platform for effective photon assisted tunneling through molecular conduction…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Boris Fainberg