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Magnetic van der Waals heterostructures provide a unique platform to study magnetism and spintronics device concepts in the two-dimensional limit. Here, we report studies of exchange bias from the van der Waals antiferromagnet CrSBr acting…

The motion of chiral magnetic domain walls (DWs) driven by spin-orbit torque (SOT) has been extensively studied in heavy metal/ferromagnet heterostructures with perpendicular magnetic anisotropy. This study specifically focuses on…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 Nobuyuki Umetsu , Michael Quinsat , Susumu Hashimoto , Tsuyoshi Kondo , Masaki Kado

Neuromorphic computing, which seeks to replicate the brain's ability to process information, has garnered significant attention due to its potential to achieve brain-like computing efficiency and human cognitive intelligence. Spin-orbit…

Applied Physics · Physics 2024-12-25 Cuimei Cao , Wei Duan , Xiaoyu Feng , Yan Xu , Yihan Wang , Zhenzhong Yang , Qingfeng Zhan , Long You

The advent of twist-engineering in two-dimensional (2D) crystals enables the design of van der Waals (vdW) heterostructures exhibiting emergent properties. In the case of magnets, this approach can afford artificial antiferromagnets with…

Mesoscale and Nanoscale Physics · Physics 2024-02-06 Carla Boix-Constant , Sarah Jenkins , Ricardo Rama-Eiroa , Elton J. G. Santos , Samuel Mañas-Valero , Eugenio Coronado

Multiferroic materials provide robust and efficient routes for the control of magnetism by electric fields, which has been diligently sought after for a long time. The two-dimensional (2D) vdW multiferroics is a more exciting endeavour. To…

Materials Science · Physics 2023-10-18 Yangliu Wu , Deju Zhang , Yanning Zhang , Longjiang Deng , Bo Peng

Recent discovery of 2D van der Waals (vdW) magnetic materials has spurred progress in developing advanced spintronic devices. A central challenge lies in enhancing the spin-conversion efficiency for building spin-logic or spin-memory…

Materials Science · Physics 2023-08-30 Shuhan Liu , Shaojie Hu , Xiaomin Cui , Takashi Kimura

Spin-orbit torque (SOT) is a candidate technique in next generation magnetic random-access memory (MRAM). Recently, experiments show that some material with low-symmetric crystalline or magnetic structures can generate anomalous SOT that…

Applied Physics · Physics 2023-08-09 TianYi Zhang , CaiHua Wan , XiuFeng Han

Understanding the evolution of spin-orbit torque (SOT) with increasing heavy-metal thickness in ferromagnet/normal metal (FM/NM) bilayers is critical for the development of magnetic memory based on SOT. However, several experiments have…

Mesoscale and Nanoscale Physics · Physics 2018-07-11 Andrew J. Berger , Eric R. J. Edwards , Hans T. Nembach , Olof Karis , Mathias Weiler , T. J. Silva

We demonstrate approximate storage based on NAND-like spin-orbit torque (SOT) MRAM, through "device-modeling-architecture" explorations. We experimentally achieve down to 1E-5 level selectivity. Selectivity and low-power solutions are…

Magnetic van der Waals (vdW) materials offer a fantastic platform to investigate and exploit rich spin configurations stabilized in reduced dimensions. One tantalizing magnetic order is the interlayer antiferromagnetism in A-type vdW…

The description of the molecular solid phase of O$_2$, especially its ground-state antiferromagnetic insulating phase, is known to be quite unsatisfactory within the conventional local and semilocal density functional approximations used in…

Materials Science · Physics 2017-12-18 Shusuke Kasamatsu , Takeo Kato , Osamu Sugino

Current-driven switching of nonvolatile spintronic materials and devices based on spin-orbit torques offer fast data processing speed, low power consumption, and unlimited endurance for future information processing applications. Analogous…

Mesoscale and Nanoscale Physics · Physics 2020-07-23 Nan Zhang , Yi Cao , Yucai Li , Andrew W. Rushforth , Yang Ji , Houzhi Zheng , Kaiyou Wang

Current-induced domain wall (DW) motion has drawn great attention in the last decades as the key operational principle of emerging magnetic memory devices. As the major driving force of the current-induced DW motion, the spin-orbit torque…

Materials Science · Physics 2017-04-26 Soong-Geun Je , Sang-Cheol Yoo , Joo-Sung Kim , Joon Moon , Byoung-Chul Min , Sug-Bong Choe

Multiferroic tunnel junctions (MFTJs) have aroused significant interest due to their functional properties useful for non-volatile memory devices. So far, however, all the existing MFTJs have been based on perovskite-oxide heterostructures…

Mesoscale and Nanoscale Physics · Physics 2020-12-08 Yurong Su , Xinlu Li , Meng Zhu , Jia Zhang , Long You , Evgeny Y. Tsymbal

High-quality electrostatic gating is a fundamental ingredient for successful semiconducting device physics, and a key element of realizing clean quantum transport. Inspired by the widespread improvement of transport quality when…

Mesoscale and Nanoscale Physics · Physics 2025-11-25 Colin J. Riggert , Pim Lueb , Tyler Littmann , Ghada Badawy , Marco Rossi , Paul A. Crowell , Erik P. A. M. Bakkers , Vlad S. Pribiag

Current-induced spin-orbit torque (SOT) has emerged as a promising method for achieving energy-efficient magnetization switching in advanced spintronic devices. However, technological advancement has been inadequate because an external…

Mesoscale and Nanoscale Physics · Physics 2025-01-23 Badsha Sekh , Hasibur Rahaman , Ramu Maddu , Pinkesh Kumar Mishra , Tianli Jin , S. N. Piramanayagam

Spin-orbit torque characterizations on magnetic heterostructures with perpendicular anisotropy are demonstrated on a projected vector field magnet via hysteresis loop shift measurement and harmonic Hall measurement with planar Hall…

Mesoscale and Nanoscale Physics · Physics 2022-07-26 Chao-Chung Huang , Chia-Chin Tsai , Wei-Bang Liao , Tian-Yue Chen , Chi-Feng Pai

Antiferromagnetic materials are outstanding candidates for next generation spintronic applications, because their ultrafast spin dynamics makes it possible to realize several orders of magnitude higher-speed devices than conventional…

Neuromorphic hardware as a non-Von Neumann architecture has better energy efficiency and parallelism than the conventional computer. Here, with numerical modeling spin-orbit torque (SOT) device using current-induced SOT and Joule heating…

Applied Physics · Physics 2023-04-19 Haotian Li , Liyuan Li , Kaiyuan Zhou , Chunjie Yan , Zhenyu Gao , Zishuang Li , Ronghua Liu

We report the control of vertical magnetization shift (VMS) and exchange bias through spin-orbit torque (SOT) in Pt/Co/Ir25Mn75/Co heterostructure device. The exchange bias accompanying with a large relative VMS of about 30 % is observed…

Applied Physics · Physics 2020-02-26 Z. P. Zhou , X. H. Liu , K. Y. Wang