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Recently, spin-transfer torque (STT) based magnetization switching has been widely utilized in magnetic resistance-based memories, which have broad applications in microcontroller units and other devices. This study utilizes a macrospin…

Materials Science · Physics 2025-03-18 Tomoki Watanabe , Keisuke Yamada , Yoshinobu Nakatani

Spin amplification is one of the most critical challenges for spintronics and spin-based logic in order to achieve spintronic circuits with fan-out. We propose a new concept for spin amplification that will allow a small spin current in a…

Mesoscale and Nanoscale Physics · Physics 2015-12-01 Roland K. Kawakami

Electrically manipulating the quantum properties of nano-objects, such as atoms or molecules, is typically done using scanning tunnelling microscopes and lateral junctions. The resulting nanotransport path is well established in these model…

A diode, a device allowing unidirectional signal transmission, is a fundamental element of logic structures and lies in the heart of modern information systems. Spin wave or magnon, representing a collective quasi-particle excitation of the…

Materials Science · Physics 2016-01-06 Jin Lan , Weichao Yu , Ruqian Wu , Jiang Xiao

Spintronic devices operating with pure spin currents represent a new paradigm in nanoelectronics, with higher energy efficiency and lower dissipation as compared to charge currents. This technology, however, will be viable only if the…

Mesoscale and Nanoscale Physics · Physics 2019-10-08 Kumar Sourav Das , Denys Makarov , Paola Gentile , Mario Cuoco , Bart J. van Wees , Carmine Ortix , Ivan J. Vera-Marun

Current studies of non-reciprocal superconducting (SC) transport have centered on the forward-backward asymmetry of the critical current measured along a single axis. In most realizations, this diode effect is achieved via introducing…

Superconductivity · Physics 2025-12-05 F. Yang , L. Q. Chen

In many modern AI chips and multicore systems-on-chip, embedded applications exhibit predictable inter-core traffic behavior that can be characterized at design time. For such applications, a variety of design-time traffic management and…

Hardware Architecture · Computer Science 2026-05-07 Meysam Zaeemi , Mehdi Modarressi

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

Low barrier nanomagnets have attracted a lot of research interest for their use as sources of high quality true random number generation. More recently, low barrier nanomagnets with tunable output have been shown to be a natural hardware…

Applied Physics · Physics 2020-03-09 Punyashloka Debashis , Rafatul Faria , Kerem Y. Camsari , Supriyo Datta , Zhihong Chen

Antiferromagnetic (AFM) materials with zero or vanishingly small macroscopic magnetization are nowadays the constituent elements of spintronic devices. However, possibility to use them as active elements that show nontrivial controllable…

Materials Science · Physics 2013-05-30 Helen V. Gomonay , Roman Kunitsyn , Vadim M. Loktev

The spin filtering effect, distinct decaying lengths experienced by oppositely spin-polarized electrons in a magnetic barrier, generally occurs in ferromagnetic (FM) insulators or semiconductors. With the rise of altermagnetic (ALM)…

Materials Science · Physics 2025-01-08 Boyuan Chi , Leina Jiang , Yu Zhu , Guoqiang Yu , Caihua Wan , Xiufeng Han

Spin-polarized antiferromagnets (AFMs), including altermagnets, noncollinear AFMs, and two-dimensional layer-polarized AFMs, have emerged as transformative materials for next-generation spintronic and optoelectronic technologies. These…

Materials Science · Physics 2025-06-23 Zhenzhou Guo , Xiaotian Wang , Wenhong Wang , Gang Zhang , Xiaodong Zhou , Zhenxiang Cheng

With the increasing demand for low-power electronics, nanomagnetic devices have emerged as strong potential candidates to complement present day transistor technology. A variety of novel switching effects such as spin torque and giant spin…

Mesoscale and Nanoscale Physics · Physics 2018-02-02 Yunkun Xie , Jianhua Ma , Samiran Ganguly , Avik W Ghosh

The recent demonstration of current-driven magnetic domain wall logic [Z. Luo et al., Nature 579:214] was based on a three-input logic gate that was identified as a reconfigurable NAND/NOR function. We reinterpret this logic gate as a…

Emerging Technologies · Computer Science 2020-07-14 Xuan Hu , Brighton A. Hill , Felipe Garcia-Sanchez , Joseph S. Friedman

Planar ferromagnetic channels have been shown to theoretically support a long-range ordered and coherently precessing state where the balance between local spin injection at one edge and damping along the channel establishes a dissipative…

Mesoscale and Nanoscale Physics · Physics 2017-11-08 Ezio Iacocca , T. J. Silva , Mark A. Hoefer

This work proposes a novel logic device (SkyLogic) based on skyrmions, which are magnetic vortex-like structures that have low depinning current density and are robust to defects. A charge current sent through a polarizer ferromagnet (P-FM)…

Emerging Technologies · Computer Science 2019-05-01 Meghna G. Mankalale , Zhengyang Zhao , Jian-Ping Wang , Sachin S. Sapatnekar

Nanomagnetic logic has emerged as a potential replacement for traditional CMOS-based logic because of superior energy-efficiency. One implementation of nanomagnetic logic employs shape-anisotropic (e.g. elliptical) ferromagnets (with two…

Mesoscale and Nanoscale Physics · Physics 2016-10-12 M. Salehi-Fashami , M. Al-Rashid , Wei-Yang Sun , P. Nordeen , S. Bandyopadhyay , A. C. Chavez , G. P. Carman , J. Atulasimha

Contents Preface I Electromagnetism of type II superconductors 1 General Statements Of The Critical State 1.1 The CS In The Maxwell Equations Formalism 1.2 The CS Regime And The MQS Limit 2 Variational Theory for CS Problems 2.1 General…

Superconductivity · Physics 2012-03-12 H. S. Ruiz

This paper presents a novel design concept for spintronic nanoelectronics that emphasizes a seamless integration of spin-based memory and logic circuits. The building blocks are magneto-logic gates based on a hybrid graphene/ferromagnet…

Spintronics, which utilizes spin as information carrier, is a promising solution for nonvolatile memory and low-power computing in the post-Moore era. An important challenge is to realize long distance spin transport, together with…

Mesoscale and Nanoscale Physics · Physics 2017-09-20 Li Su , Xiaoyang Lin , Youguang Zhang , Arnaud Bournel , Yue Zhang , Jacques-Olivier Klein , Weisheng Zhao , Albert Fert