activity
20202023
most citedStochastic Domain Wall-Magnetic Tunnel Junction Artificial Neurons for Noise-Resilient Spiking Neural Networks

23 citations · 48 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mes-hall2023

Magnetic Tunnel Junction Random Number Generators Applied to Dynamically Tuned Probability Trees Driven by Spin Orbit Torque

Andrew Maicke, Jared Arzate, Samuel Liu +7

Perpendicular magnetic tunnel junction (pMTJ)-based true-random number generators (RNG) can consume orders of magnitude less energy per bit than CMOS pseudo-RNG. Here, we numerical…

cond-mat.mes-hall2023

Graphene-Based Artificial Dendrites for Bio-Inspired Learning in Spiking Neuromorphic Systems

Samuel Liu, Deji Akinwande, Dmitry Kireev +1

Analog neuromorphic computing systems emulate the parallelism and connectivity of the human brain, promising greater expressivity and energy efficiency compared to digital systems.…

cs.NE2023★ 23 cited

Stochastic Domain Wall-Magnetic Tunnel Junction Artificial Neurons for Noise-Resilient Spiking Neural Networks

Thomas Leonard, Samuel Liu, Harrison Jin +1

The spatiotemporal nature of neuronal behavior in spiking neural networks (SNNs) make SNNs promising for edge applications that require high energy efficiency. To realize SNNs in h…

cond-mat.mes-hall2023

Parallel Matrix Multiplication Using Voltage Controlled Magnetic Anisotropy Domain Wall Logic

Nicholas Zogbi, Samuel Liu, Christopher H. Bennett +4

The domain wall-magnetic tunnel junction (DW-MTJ) is a versatile device that can simultaneously store data and perform computations. These three-terminal devices are promising for…

cs.ET2022★ 2 cited

Probabilistic Neural Circuits leveraging AI-Enhanced Codesign for Random Number Generation

Suma G. Cardwell, Catherine D. Schuman, J. Darby Smith +7

Stochasticity is ubiquitous in the world around us. However, our predominant computing paradigm is deterministic. Random number generation (RNG) can be a computationally inefficien…

cond-mat.mes-hall2022★ 2 cited

Random Bitstream Generation using Voltage-Controlled Magnetic Anisotropy and Spin Orbit Torque Magnetic Tunnel Junctions

Samuel Liu, Jaesuk Kwon, Paul W. Bessler +6

Probabilistic computing using random number generators (RNGs) can leverage the inherent stochasticity of nanodevices for system-level benefits. The magnetic tunnel junction (MTJ) h…

cond-mat.mes-hall2022★ 1 cited

Metaplastic and Energy-Efficient Biocompatible Graphene Artificial Synaptic Transistors for Enhanced Accuracy Neuromorphic Computing

Dmitry Kireev, Samuel Liu, Harrison Jin +4

CMOS-based computing systems that employ the von Neumann architecture are relatively limited when it comes to parallel data storage and processing. In contrast, the human brain is…

cond-mat.mes-hall2021

Shape-Dependent Multi-Weight Magnetic Artificial Synapses for Neuromorphic Computing

Thomas Leonard, Samuel Liu, Mahshid Alamdar +8

In neuromorphic computing, artificial synapses provide a multi-weight conductance state that is set based on inputs from neurons, analogous to the brain. Additional properties of t…

cond-mat.mes-hall2021★ 19 cited

Controllable reset behavior in domain wall-magnetic tunnel junction artificial neurons for task-adaptable computation

Samuel Liu, Christopher H. Bennett, Joseph S. Friedman +3

Neuromorphic computing with spintronic devices has been of interest due to the limitations of CMOS-driven von Neumann computing. Domain wall-magnetic tunnel junction (DW-MTJ) devic…

physics.app-ph2020★ 1 cited

Adaptive cognition implemented with a context-aware and flexible neuron for next-generation artificial intelligence

Priyamvada Jadaun, Can Cui, Sam Liu +1

Neuromorphic computing mimics the organizational principles of the brain in its quest to replicate the brain's intellectual abilities. An impressive ability of the brain is its ada…