Perpendicular magnetized magnetic random-access memory cells utilizing the precessional spin-current structure: benefits for modern memory applications

G Wolf, B Kardasz, J Vasquez, T Boone… - IEEE Magnetics …, 2020 - ieeexplore.ieee.org
… intrinsic data retention of STTMRAM is a compelling characteristic [Ikeda 2010] [Thomas
2014] for memory applications. The data retention of an individual MRAM bit is determined by its …

[PDF][PDF] Perpendicular Magnetized Magnetic Random Access Memory (MRAM) Cells Utilizing the Precessional Spin Current Structure, Benefits for Modern Memory …

G Wolf, B Kardasz, J Vasquez, T Boone, D Bozdag… - borecraft.com
… the precessional spin current (PSC) structure we demonstrate a significant gain in the spin
… In the case of the precessional spin current structure (on the right side of Fig. 1a) three …

High performance MRAM with spin-transfer-torque and voltage-controlled magnetic anisotropy effects

H Cai, W Kang, Y Wang, LADB Naviner, J Yang… - Applied Sciences, 2017 - mdpi.com
precessional VCMA mechanism and STT-assisted precessional VCMA—are investigated
with 1T-1M MRAM … Another requirement of the precessional VCMA strategy is the usage of an …

[HTML][HTML] A perspective on electrical generation of spin current for magnetic random access memories

C Safranski, JZ Sun, AD Kent - Applied Physics Letters, 2022 - pubs.aip.org
… by spin filtering—and spin currents with a spin polarization … We also discuss MRAM
characteristics essential for CMOS … at which spin filtering and spin–orbit precession can occur. …

Control of sub-nanosecond precessional magnetic switching in stt-mram cells for sram applications

B Lacoste, MM De Castro, RC Sousa… - 2016 IEEE 8th …, 2016 - ieeexplore.ieee.org
… Figure 7 : Illustration of the working principle of the control of the precessional dynamics
in ultrafast switching STT-MRAM of small aspect ratio by application of a transverse field. a) …

Effect of damping constant on magnetic switching in spin torque driven perpendicular MRAM

X Zhu, JG Zhu - IEEE transactions on magnetics, 2007 - ieeexplore.ieee.org
current always generates a steady magnetization precession of the composite storage layer
around perpendicular axis. For a given current density, the precession … polarized spin current

[HTML][HTML] Spintronics based random access memory: a review

S Bhatti, R Sbiaa, A Hirohata, H Ohno, S Fukami… - Materials Today, 2017 - Elsevier
… in MRAM for storing information was based on spin valve … Precession of the spin in switching
state for (a) J = Jc and (b) J > >Jc . … spin in different directions producing a pure spin current, …

Modeling and exploration of the voltage-controlled magnetic anisotropy effect for the next-generation low-power and high-speed MRAM applications

W Kang, Y Ran, Y Zhang, W Lv… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… strategies, including precessional VCMA, STT-assisted precessional VCMA and STT-… ,
are studied for MRAM applications. Our results show that the STT-assisted precessional VCMA …

Recent developments in spin transfer torque MRAM

R Sbiaa, SN Piramanayagam - physica status solidi (RRL) …, 2017 - Wiley Online Library
… STT in spin torque oscillator devices.31-33 A very small tilt of the reference layer magnetization
could lead to a zero field steady precession of the free layer precession magnetization.…

Unconventional Spin Currents Generated by the Spin-Orbit Precession Effect in Perpendicularly Magnetized Ferrimagnetic System

W Wang, Q Fu, K Zhou, L Chen, L Yang, Z Li, Z Tao… - Physical Review …, 2022 - APS
spin current with in-plane transverse spin polarization, theoretically proposed spin swapping
or spin-orbit precession … substantially generate spin currents with different spin polarizations …