Perpendicular magnetic anisotropy at transition metal/oxide interfaces and applications

B Dieny, M Chshiev - Reviews of Modern Physics, 2017 - APS
Spin electronics is a rapidly expanding field stimulated by a strong synergy between
breakthrough basic research discoveries and industrial applications in the fields of magnetic …

Scaling magnetic tunnel junction down to single-digit nanometers—Challenges and prospects

B Jinnai, K Watanabe, S Fukami, H Ohno - Applied physics letters, 2020 - pubs.aip.org
Magnetic tunnel junction (MTJ), a spintronics device, has been intensively developed in the
past couple of decades because of its high potential in terms of non-volatility, fast operation …

Properties of magnetic tunnel junctions with a MgO/CoFeB/Ta/CoFeB/MgO recording structure down to junction diameter of 11 nm

H Sato, ECI Enobio, M Yamanouchi, S Ikeda… - Applied Physics …, 2014 - pubs.aip.org
We investigate properties of perpendicular anisotropy magnetic tunnel junctions (MTJs) with
a recording structure of MgO/CoFeB/Ta/CoFeB/MgO down to junction diameter (D) of 11 nm …

Evaluation of write error rate for voltage-driven dynamic magnetization switching in magnetic tunnel junctions with perpendicular magnetization

Y Shiota, T Nozaki, S Tamaru, K Yakushiji… - Applied Physics …, 2015 - iopscience.iop.org
We investigated the write error rate (WER) for voltage-driven dynamic switching in magnetic
tunnel junctions with perpendicular magnetization. We observed a clear oscillatory behavior …

High emission power and Q factor in spin torque vortex oscillator consisting of FeB free layer

S Tsunegi, H Kubota, K Yakushiji… - Applied Physics …, 2014 - iopscience.iop.org
Microwave oscillation properties of spin torque vortex oscillators (STVOs) consisting of an
FeB vortex free layer were investigated. Because of a high MR ratio and large DC current, a …

Non-volatile artificial synapse based on a vortex nano-oscillator

L Martins, AS Jenkins, LSE Alvarez, J Borme… - Scientific reports, 2021 - nature.com
In this work, a new mechanism to combine a non-volatile behaviour with the spin diode
detection of a vortex-based spin torque nano-oscillator (STVO) is presented. Experimentally …

[HTML][HTML] Spin-torque ferromagnetic resonance measurements utilizing spin Hall magnetoresistance in W/Co40Fe40B20/MgO structures

C He, A Navabi, Q Shao, G Yu, D Wu, W Zhu… - Applied Physics …, 2016 - pubs.aip.org
We study the magnetic properties of W/Co 40 Fe 40 B 20 (CoFeB)/MgO films using the spin-
torque ferromagnetic resonance (ST-FMR) technique. This study takes the advantage of the …

Self-injection locking of a vortex spin torque oscillator by delayed feedback

S Tsunegi, E Grimaldi, R Lebrun, H Kubota… - Scientific reports, 2016 - nature.com
The self-synchronization of spin torque oscillators is investigated experimentally by re-
injecting its radiofrequency (rf) current after a certain delay time. We demonstrate that the …

[HTML][HTML] Enhanced interfacial perpendicular magnetic anisotropy in Fe/MgO heterostructure via interfacial engineering

S Nazir, S Jiang, J Cheng, K Yang - Applied Physics Letters, 2019 - pubs.aip.org
Interfacial perpendicular magnetic anisotropy in the Fe/MgO heterostructure has attracted
increasing attention because of its potential usage in building out-of-plane magnetized …

[HTML][HTML] First-Principles Study of Strain Effects on the Perpendicular Magnetic Anisotropy of Fe/MgO Heterostructures

S Nazir, S Jiang, K Yang - Inorganics, 2024 - mdpi.com
The interfacial perpendicular magnetic anisotropy (PMA) observed at ferromagnet/oxide
interfaces presents great promise for energy-efficient spintronic technologies. The epitaxial …