Breaking the current density threshold in spin-orbit-torque magnetic random access memory
نویسندگان
چکیده
منابع مشابه
Spin-transfer torque switching in magnetic tunnel junctions and spin-transfer torque random access memory
We present experimental and numerical results of current-driven magnetization switching in magnetic tunnel junctions. The experiments show that, for MgObased magnetic tunnelling junctions, the tunnelling magnetoresistance ratio is as large as 155% and the intrinsic switching current density is as low as 1.1× 10 A cm. The thermal effect and current pulse width on spin-transfer magnetization swit...
متن کاملAnalysis of self-heating of thermally assisted spin-transfer torque magnetic random access memory
Thermal assistance has been shown to significantly reduce the required operation power for spin torque transfer magnetic random access memory (STT-MRAM). Proposed heating methods include modified material stack compositions that result in increased self-heating or external heat sources. In this work we analyze the self-heating process of a standard perpendicular magnetic anisotropy STT-MRAM dev...
متن کاملHigh reliability sensing circuit for deep submicron spin transfer torque magnetic random access memory
Techset Com A high reliability offset-tolerant sensing circuit is presented for deep submicron spin transfer torque magnetic tunnel junction (STT-MTJ) memory. This circuit, using a triple-stage sensing operation, is able to tolerate the increased process variations as technology scales down to the deep submicron nodes, thus improving significantly the sensing margin. Meanwhile, it clamps the bi...
متن کاملSelf-current induced spin-orbit torque in FeMn/Pt multilayers
Extensive efforts have been devoted to the study of spin-orbit torque in ferromagnetic metal/heavy metal bilayers and exploitation of it for magnetization switching using an in-plane current. As the spin-orbit torque is inversely proportional to the thickness of the ferromagnetic layer, sizable effect has only been realized in bilayers with an ultrathin ferromagnetic layer. Here we demonstrate ...
متن کاملCurrent driven spin–orbit torque oscillator: ferromagnetic and antiferromagnetic coupling
We consider theoretically the impact of Rashba spin-orbit coupling on spin torque oscillators (STOs) in synthetic ferromagnets and antiferromagnets that have either a bulk multilayer or a thin film structure. The synthetic magnets consist of a fixed polarizing layer and two free magnetic layers that interact through the Ruderman-Kittel-Kasuya-Yosida interaction. We determine analytically which ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2018
ISSN: 2469-9950,2469-9969
DOI: 10.1103/physrevb.97.144416