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Valleytronic materials can provide new degrees of freedom to future electronic devices. In this work, the concepts of the ferrovalley metal (FVM) and valley gapless semiconductor (VGS) are proposed, which can be achieved in valleytronic…

Materials Science · Physics 2023-02-07 San-Dong Guo , Yu-Ling Tao , Guang-Zhao Wang , Shaobo Chen , Yee Sin Ang

Deep learning hardware designs have been bottlenecked by conventional memories such as SRAM due to density, leakage and parallel computing challenges. Resistive devices can address the density and volatility issues, but have been limited by…

Emerging Technologies · Computer Science 2020-10-28 Shihui Yin , Xiaoyu Sun , Shimeng Yu , Jae-sun Seo

Large persistent memories such as NVDIMM have been perceived as a disruptive memory technology, because they can maintain the state of a system even after a power failure and allow the system to recover quickly. However, overheads incurred…

Hardware Architecture · Computer Science 2021-06-29 Jie Zhang , Miryeong Kwon , Donghyun Gouk , Sungjoon Koh , Nam Sung Kim , Mahmut Taylan Kandemir , Myoungsoo Jung

This paper presents a PVT-resilient, subthreshold SRAM-based computing-in-memory (CIM) macro tailored for energy-efficient spiking neural networks (SNNs). The macro integrates in-situ current sensors and distributed voltage regulators to…

This project explores the use of non-volatile synapses in neuromorphic computing for pattern recognition tasks through a comprehensive simulation-based approach. The main approach is through spintronic synapses, which leverage the…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 Luis Sosa , Minhyeok Wi , Miguel Barrera , Imran Nasrullah , Yingying Wu

The concept of Perpendicular Shape-Anisotropy Spin-Transfer-Torque Magnetic Random-Access Memory tackles the downsize scalability limit of conventional ultrathin magnetic tunnel junctions (MTJ) below sub-20 nm technological nodes. This…

Mesoscale and Nanoscale Physics · Physics 2023-12-11 N. Caçoilo , L. D. Buda-Prejbeanu , B. Dieny , O. Fruchart , I. L. Prejbeanu

A new approach to increase the downsize scalability of perpendicular STT-MRAM is presented. It consists in significantly increasing the thickness of the storage layer in out-of-plane magnetized tunnel junctions (pMTJ) as compared to…

Antiferromagnetic (AFM) spintronics provides a route towards energy-efficient and ultrafast device applications. Achieving anomalous valley Hall effect (AVHE) in AFM monolayers is thus of considerable interest for both fundamental condensed…

Mesoscale and Nanoscale Physics · Physics 2023-11-22 San-Dong Guo , Wei Xu , Yang Xue , Gangqiang Zhu , Yee Sin Ang

Electronic correlations could have significant impact on the material properties. They are typically pronounced for localized orbitals and enhanced in low-dimensional systems, so two-dimensional (2D) transition metal compounds could be a…

Materials Science · Physics 2021-09-01 Si Li , Qianqian Wang , Chunmei Zhang , Ping Guo , Shengyuan A. Yang

With the staggering increase of edge compute applications like Internet-of-Things (IoT) and artificial intelligence (AI), the demand for fast, energy-efficient on-chip memory is growing. While the fast and mature static random-access memory…

Emerging Technologies · Computer Science 2026-03-30 Albi Mema , Simon Thomann , Narendra Singh Dhakad , Hussam Amrouch

Emerging resistive-crossbar memory (RCM) technology can be promising for computationally-expensive analog pattern-matching tasks. However, the use of CMOS analog-circuits with RCM would result in large power-consumption and poor…

Materials Science · Physics 2013-08-26 Mrigank Sharad , Deliang Fan , Kaushik Roy

Hierarchical temporal memory (HTM) tries to mimic the computing in cerebral-neocortex. It identifies spatial and temporal patterns in the input for making inferences. This may require large number of computationally expensive tasks like,…

Emerging Technologies · Computer Science 2016-11-17 Deliang Fan , Mrigank Sharad , Abhronil Sengupta , Kaushik Roy

Non-volatile memory (NVM) has the potential to disrupt the boundary between memory and storage, including the abstractions that manage this boundary. Researchers comparing the speed, durability, and abstractions of hybrid systems with DRAM,…

Programming Languages · Computer Science 2018-08-02 Shoaib Akram , Jennifer B. Sartor , Kathryn S. McKinley , Lieven Eeckhout

We propose an analog implementation of the transcendental activation function leveraging two spin-orbit torque magnetoresistive random-access memory (SOT-MRAM) devices and a CMOS inverter. The proposed analog neuron circuit consumes 1.8-27x…

Emerging Technologies · Computer Science 2022-06-10 Md Hasibul Amin , Mohammed Elbtity , Mohammadreza Mohammadi , Ramtin Zand

Valleytronic materials, characterized by local extrema (valley) in their bands, and topological insulators have separately attracted great interest recently. However, the interplay between valleytronic and topological properties in one…

Mesoscale and Nanoscale Physics · Physics 2018-08-27 Tong Zhou , Jiayong Zhang , Hua Jiang , Igor Zutic , Zhongqin Yang

Computing-in-memory (CIM) is renowned in deep learning due to its high energy efficiency resulting from highly parallel computing with minimal data movement. However, current SRAM-based CIM designs suffer from long latency for loading…

Volatile memristors have recently gained popularity as promising devices for neuromorphic circuits, capable of mimicking the leaky function of neurons and offering advantages over capacitor-based circuits in terms of power dissipation and…

Hardware Architecture · Computer Science 2025-07-22 Tanay Patni , Rishona Daniels , Shahar Kvatinsky

Large-scale integration of emerging nanoscale non-volatile memory devices, e.g. resistive random-access memory (RRAM), can enable a new generation of neuromorphic computers that can solve a wide range of machine learning problems. Such…

Emerging Technologies · Computer Science 2016-12-20 Xinyu Wu , Vishal Saxena

PCM is a popular backing memory for DRAM main memory in tiered memory systems. PCM has asymmetric access energy; writes dominate reads. MLC asymmetry can vary by an order of magnitude. Many schemes have been developed to take advantage of…

Hardware Architecture · Computer Science 2021-12-06 Stephen Longofono , Seyed Mohammad Seyedzadeh , Alex K. Jones

The performance and efficiency of running large-scale datasets on traditional computing systems exhibit critical bottlenecks due to the existing "power wall" and "memory wall" problems. To resolve those problems, processing-in-memory (PIM)…

Hardware Architecture · Computer Science 2022-04-22 Yinglin Zhao , Jianlei Yang , Bing Li , Xingzhou Cheng , Xucheng Ye , Xueyan Wang , Xiaotao Jia , Zhaohao Wang , Youguang Zhang , Weisheng Zhao