Basic principles of STT-MRAM cell operation in memory arrays

AV Khvalkovskiy, D Apalkov, S Watts… - Journal of Physics D …, 2013 - iopscience.iop.org
For reliable operation, individual cells of an STT-MRAM memory array must meet specific
requirements on their performance. In this work we review some of these requirements and …

Perpendicular magnetic tunnel junctions with strong antiferromagnetic interlayer exchange coupling at first oscillation peak

K Yakushiji, H Kubota, A Fukushima… - Applied Physics …, 2015 - iopscience.iop.org
We systematically developed a perpendicularly magnetized synthetic antiferromagnetically
(p-SAF) coupled reference structure with strong interlayer exchange coupling (IEC) at the" …

Abrupt Transition from Ferromagnetic to Antiferromagnetic of Interfacial Exchange in Perpendicularly Magnetized -MnGa/FeCo Tuned by Fermi Level Position

QL Ma, S Mizukami, T Kubota, XM Zhang, Y Ando… - Physical Review Letters, 2014 - APS
An abrupt transition of the interfacial exchange coupling from ferromagnetic to
antiferromagnetic was observed in the interface of perpendicularly magnetized L 1 0 …

Magnetoresistive element and method of manufacturing the same

AM Shukh - US Patent 8,790,798, 2014 - Google Patents
(57) ABSTRACT A magnetoresistive element (and method of fabricating the
magnetoresistive element) that includes a free ferromagnetic layer comprising a first …

Nonmonotonic aftereffect measurements in perpendicular synthetic ferrimagnets

T Fache, HS Tarazona, J Liu, G L'vova, MJ Applegate… - Physical Review B, 2018 - APS
Aftereffect measurements have been performed on synthetic ferrimagnets showing strong
perpendicular magnetic anisotropy, namely (Co/Pt)/Ir/(Co/Pt), by measuring the …

Thermally robust perpendicular Co/Pd-based synthetic antiferromagnetic coupling enabled by a W cap** or buffer layer

JB Lee, GG An, SM Yang, HS Park, WS Chung… - Scientific Reports, 2016 - nature.com
Perpendicularly magnetized tunnel junctions (p-MTJs) that contain synthetic
antiferromagnetic (SAF) frames show promise as reliable building blocks to meet the …

Field-and Current-Driven Magnetization Reversal and Dynamic Properties of CoFeB-MgO-Based Perpendicular Magnetic Tunnel Junctions

Q Fu, K Zhou, L Chen, Y Xu, T Zhou… - Chinese Physics …, 2020 - iopscience.iop.org
We report a perpendicular magnetic tunnel junction (pMTJ) cell with a tunnel
magnetoresistance (TMR) ratio of nearly 200% at room temperature based on …

Engineering Mn3Ga/GaAs interfaces: a first-principles study on energetic stability and magnetic anisotropy

X Wang, K Yang - Journal of Physics D: Applied Physics, 2024 - iopscience.iop.org
Mn 3 Ga-based ferrimagnets have emerged as a promising platform for energy-efficient
spintronics. However, the challenge of identifying an appropriate substrate with minimal …

Continuum micromagnetic modeling of antiferromagnetically exchange-coupled multilayers

R Pellicelli, M Solzi, C Pernechele, M Ghidini - Physical Review B …, 2011 - APS
The micromagnetic continuum theory has been applied to perfect soft/hard multilayers
characterized by antiferromagnetic interface coupling. The soft and hard phases have …

Interlayer exchange coupling between [Pd/Co] multilayers and CoFeB/MgO layers with perpendicular magnetic anisotropy

JH Jung, SH Lim, SR Lee - Applied Physics Letters, 2012 - pubs.aip.org
Interlayer exchange coupling between [Pd/Co] multilayers and CoFeB/MgO layers with
perpendicular magnetic anisotropy (PMA) is investigated as functions of the thicknesses of …