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Embedded non-volatile memory technologies such as resistive random access memory (RRAM) and spin-transfer torque magnetic RAM (STT MRAM) are increasingly being researched for application in neuromorphic computing and hardware accelerators…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Debasis Das , Xuanyao Fong

The balance between low power consumption and high efficiency in memory devices is a major limiting factor in the development of new technologies. Magnetic random access memories (MRAM) based on CoFeB/MgO magnetic tunnel junctions (MTJs)…

Materials Science · Physics 2020-08-24 Andrea Meo , Roman Chepulskyy , Dmytro Apalkov , Roy W. Chantrell , Richard F. L. Evans

Antiferromagnets are emerging as promising alternatives to ferromagnets in spintronics applications. A key feature of antiferromagnets is their anisotropic magnetoresistance (AMR), which has the potential to serve as a sensitive marker for…

Altermagnets, a newly discovered class of magnets, integrate the advantages of both ferromagnets and antiferromagnets, such as enabling anomalous transport without stray fields and supporting ultrafast spin dynamics, offering exciting…

Mesoscale and Nanoscale Physics · Physics 2026-01-05 Xian-Peng Zhang , Run-Wu Zhang , Xiaolong Fan , Wanxiang Feng , Xiangrong Wang , Yugui Yao

A femtosecond laser pulse is able to switch the magnetic state of a 3d-4f ferrimagnetic material on a pico-second time scale. Devices based on this all-optical switching (AOS) mechanism are competitive candidates for ultrafast memory…

Applied Physics · Physics 2022-01-12 Pingzhi Li , Mark J. G. Peeters , Youri L. W. van Hees , Reinoud Lavrijsen , Bert Koopmans

We describe a new class of systems exhibiting return point memory (RPM) that are different from those discussed before in the context of ferromagnets. We show numerically that one dimensional random Ising antiferromagnets have RPM, when…

Statistical Mechanics · Physics 2009-11-10 J. M. Deutsch , Abhishek Dhar , Onuttom Narayan

Heat waste is a bottleneck in the development of green information technologies and much effort has been devoted to suppress the heating effect in both electronic and spintronic devices. Here we take an alternative approach and show that…

Mesoscale and Nanoscale Physics · Physics 2026-05-22 H. Y. Yuan , Yizheng Wu , Olena Gomonay

Phenomena originated from spin-orbit interaction, such as magnetic anisotropy (MA), Rashba-type interactions, or topological insulators, have drawn huge attention for its intriguing physics. In particular, the search for a novel…

Materials Science · Physics 2016-02-17 Dorj Odkhuu , Noejung Park

Recent advances in tuning the correlated behavior of graphene and transition-metal dichalcogenides (TMDs) have opened a new frontier in the study of many-body physics in two dimensions and promise exciting possibilities for new quantum…

Strongly Correlated Electrons · Physics 2019-11-06 Nityan L. Nair , Eran Maniv , Caolan John , Spencer Doyle , J. Orenstein , James G. Analytis

The concept of perpendicular shape anisotropy spin-transfer torque magnetic random-access memory (PSA-STT-MRAM) consists in increasing the storage layer thickness to values comparable to the cell diameter, to induce a perpendicular shape…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 N. Caçoilo , S. Lequeux , B. M. S. Teixeira , B. Dieny , R. C. Sousa , N. A. Sobolev , O. Fruchart , I. L. Prejbeanu , L. D. Buda-Prejbeanu

Increasing the magnetic data recording density requires reducing the size of the individual memory elements of a recording layer as well as employing magnetic materials with temperature-dependent functionalities. Therefore, it is predicted…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 A. A. Ünal , S. Valencia , D. Marchenko , K. J. Merazzo , F. Radu , M. Vázquez , J. Sánchez-Barriga

Applications of magnetic memory devices greatly benefit from ultra-fast, low-power switching. Here we propose how this can be achieved efficiently in a nano-sized synthetic antiferromagnet by using perpendicular-to-the-plane…

Mesoscale and Nanoscale Physics · Physics 2016-04-06 B. C. Koop , T. Descamps , V. Korenivski

Compute-in-memory (CiM) is a promising approach to alleviating the memory wall problem for domain-specific applications. Compared to current-domain CiM solutions, charge-domain CiM shows the opportunity for higher energy efficiency and…

Emerging Technologies · Computer Science 2021-02-03 Guodong Yin , Yi Cai , Juejian Wu , Zhengyang Duan , Zhenhua Zhu , Yongpan Liu , Yu Wang , Huazhong Yang , Xueqing Li

We present a phenomenological theory of filamentary resistive random access memory (RRAM) describing the commonly observed features of their current-voltage characteristics. Our approach follows the approach of thermodynamic theory…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Victor Karpov , Dipesh Niraula , Ilya Karpov , Roza Kotlyar

Antiferromagnetic Tunnel Junctions (AFMTJs) offer picosecond switching and high integration density for in-memory computing, but their ultrafast dynamics and low tunnel magnetoresistance (TMR) make state-of-the-art MRAM interfaces…

Hardware Architecture · Computer Science 2026-02-13 Yousuf Choudhary , Tosiron Adegbija

Multiferroic (MF) devices based on simultaneous ferroelectric and ferromagnetic phenomena are considered to be promising candidates for future bi-functional micro/nano-electronics. The multiferroic phenomena in two-dimensional materials is…

Applied Physics · Physics 2022-08-30 Rabia Tahir , Sabeen Fatima , Syedah Afsheen Zahra , Deji Akinwande , Syed Rizwana

Heat-assisted magnetic recording (HAMR) is a recent advancement in magnetic recording, allowing to significantly increase the areal density capability (ADC) of hard disk drives (HDDs) compared to the perpendicular magnetic recording (PMR)…

Dielectric capacitors hold a tremendous advantage for energy storage due to their fast charge/discharge times and stability in comparison to batteries and supercapacitors. A key limitation to today's dielectric capacitors, however, is the…

Antiferromagnets (AFMs) exhibit spin arrangements with no net magnetization, positioning them as promising candidates for spintronics applications. While electrical manipulation of the single-crystal AFMs, composed of periodic spin…

Materials Science · Physics 2023-10-19 Chao-Yao Yang , Sheng-Huai Chen , Chih-Hsiang Tseng , Chang-Yang Kuo , Hsiu-Hau Lin , Chih-Huang Lai

Electrical manipulation of antiferromagnets with specific symmetries offers the prospect of creating novel, antiferromagnetic spintronic devices. Such devices aim to make use of the insensitivity to external magnetic fields and the…

Materials Science · Physics 2018-07-04 Markus Meinert , Dominik Graulich , Tristan Matalla-Wagner