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Synthetic antiferromagnets (SAF) have been proposed to replace ferromagnets in magnetic memory devices to reduce the stray field, increase the storage density and improve the thermal stability. Here we investigate the spin-orbit torque in a…

Materials Science · Physics 2018-07-04 P. X. Zhang , L. Y. Liao , G. Y. Shi , R. Q. Zhang , H. Q. Wu , Y. Y. Wang , F. Pan , C. Song

The origin of spin-orbit torques generated from the conversion of charge-to-spin currents is of considerable debate. Solid understanding of the physics behind is key to the development of current and voltage controlled switching dynamics in…

Materials Science · Physics 2018-06-14 Yuanmin Du

Spin-orbit torques offer a promising mechanism for electrically controlling magnetization dynamics in nanoscale heterostructures. While spin-orbit torques occur predominately at interfaces, the physical mechanisms underlying these torques…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Vivek P. Amin , Paul M. Haney , Mark D. Stiles

A spin field effect transistor (FET) is proposed by utilizing a graphene nanoribbon as the channel. Similar to the conventional spin FETs, the device involves ferromagnetic metals as a source and drain; they, in turn, are connected to the…

Materials Science · Physics 2007-07-23 Y. G. Semenov , K. W. Kim , J. M. Zavada

The ability of spintronic devices to utilize an electric current for manipulating the magnetization has resulted in large-scale developments, such as, magnetic random access memories and boosted the spintronic research area. In this regard,…

Mesoscale and Nanoscale Physics · Physics 2018-08-22 Rajagopalan Ramaswamy , Jong Min Lee , Kaiming Cai , Hyunsoo Yang

We present the first spintronic semiconductor field effect transistor. The injector and collector contacts of this device were made from magnetic permalloy thin films with different coercive fields so that they could be magnetized either…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 S. Gardelis , C. G Smith , C. H. W. Barnes , E. H. Linfield , D. A. Ritchie

The magnetic Gilbert damping and spin-orbital to charge interconversion phenomenon play vital role in controlling the modern spintronics device performances. Though the ferromagnets (FMs) and heavy metals (HMs) are considered to be the key…

Mesoscale and Nanoscale Physics · Physics 2024-11-05 Antarjami Sahoo , Swayang Priya Mahanta , Subhankar Bedanta

We propose and numerically simulate novel reconfigurable logic gates employing spin metal-oxide-semiconductor field-effect transistors (spin MOSFETs). The output characteristics of the spin MOSFETs depend on the relative magnetization…

Materials Science · Physics 2007-05-23 Satoshi Sugahara , Tomohiro Matsuno , Masaaki Tanaka

Recently spin-transistors receive considerable attention as a highly-functional building block of future integrated circuits. In order to realize spin-transistors, it is essential that technology of efficient spin injection/detection for…

Materials Science · Physics 2009-10-29 Y. Shuto , R. Nakane , H. Sukegawa , S. Yamamoto , M. Tanaka , K. Inomata , S. Sugahara

Spin transfer torques allow the electrical manipulation of the magnetization at room temperature, which is desirable in spintronic devices such as spin transfer torque memories. When combined with spin-orbit coupling, they give rise to…

Spin-torque memristors were proposed in 2009, which could provide fast, low-power and infinite memristive behavior for large-density non-volatile memory and neuromorphic computing. However, the strict requirements of combining high…

Spintronic devices as alternatives to traditional semiconductor-based electronic devices attract considerable interest as they offer zero quiescent power, built-in memory, scalability, and reconfigurability. To realize spintronic logic…

Applied Physics · Physics 2017-12-04 Seung-heon Chris Baek , Kyung-Woong Park , Deok-Sin Kil , Kyung-Jin Lee , Byong-Guk Park

The continued evolution of CMOS technology demands materials and architectures that emphasize low power consumption, particularly for computations involving large scale data processing and multivariable optimization. Ferroelectric materials…

The control of magnetization by electric current is a rapidly developing area motivated by a strong synergy between breakthrough basic research discoveries and industrial applications in the fields of magnetic recording, magnetic field…

Applied Physics · Physics 2018-09-05 Yucai Li , Kevin William Edmonds , Xionghua Liu , Houzhi Zheng , Kaiyou Wang

Current-induced spin-orbit torques provide a versatile tool for switching magnetic devices. In perpendicular magnets, the dampinglike component of the torque is the main driver of magnetization reversal. The degree to which the fieldlike…

Antiferromagnets are outstanding candidates for the next generation of spintronic applications, with great potential for downscaling and decreasing power consumption. Recently, the manipulation of bulk properties of antiferromagnets has…

Applied Physics · Physics 2020-02-05 X. H. Liu , K. W. Edmonds , Z. P. Zhou , K. Y. Wang

Electrically controlled rotation of spins in a semiconducting channel is a prerequisite for the successful realization of many spintronic devices, like, e.g., the spin field effect transistor (sFET). To date, there have been only a few…

Mesoscale and Nanoscale Physics · Physics 2023-06-28 Franz Eberle , Dieter Schuh , Benedikt Grünewald , Dominique Bougeard , Dieter Weiss , Mariusz Ciorga

Spin-orbit torque in heavy metal/ferromagnet heterostructures with broken spatial inversion symmetry provides an efficient mechanism for manipulating magnetization using a charge current. Here, we report the presence of a spin torque in a…

Mesoscale and Nanoscale Physics · Physics 2019-05-29 Ziyan Luo , Qi Zhang , Yanjun Xu , Yumeng Yang , Xinhai Zhang , Yihong Wu

Controlling/storing information carriers, such as electron charge and spin, is key for modern information society, and significant efforts have been paid made to establish novel technologies at the nanoscale. The rise of Si-based…

Materials Science · Physics 2025-10-24 R. Matsumoto , R. Ohshima , M. Funato , Y. Ando , Y. Mokrousov , D. Go , M. Shiraishi

Spin-transfer torque magnetoresistive random access memory (STT-MRAM) is an attractive alternative to current random access memory technologies due to its non-volatility, fast operation and high endurance. STT-MRAM does though have…

Mesoscale and Nanoscale Physics · Physics 2018-08-27 Noriyuki Sato , Fen Xue , Robert M. White , Chong Bi , Shan X. Wang
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