Microwave assisted magnetic recording technologies and related physics
S Okamoto, N Kikuchi, M Furuta… - Journal of Physics D …, 2015 - iopscience.iop.org
Microwave assisted magnetic recording (MAMR) has been proposed as one of the
prospective recording technologies for forthcoming tera-bit-class magnetic recording. In this …
prospective recording technologies for forthcoming tera-bit-class magnetic recording. In this …
Microwave assisted magnetic recording: Physics and application to hard disk drives
M Takagishi, N Narita, Y Nakagawa… - Journal of Magnetism …, 2022 - Elsevier
Microwave assisted magnetic recording (MAMR) is one of the key candidate technologies
for ten terabits class magnetic recording. In this article, we review MAMR technology and its …
for ten terabits class magnetic recording. In this article, we review MAMR technology and its …
An induction method to calculate the complex permeability of soft magnetic films without a reference sample
A new analytical method has been proposed by utilizing an electromagnetic induction
principle with a short-circuited microstrip line jig and the complex permeability spectra can …
principle with a short-circuited microstrip line jig and the complex permeability spectra can …
Designing and tuning magnetic resonance with exchange interaction.
Exchange interaction at the interface between magnetic layers exhibits significant
contribution to the magnetic resonance frequency. The in situ tuning of the resonance …
contribution to the magnetic resonance frequency. The in situ tuning of the resonance …
Pushing down the lateral dimension of single and coupled magnetic dots to the nanometric scale: Characteristics and evolution of the spin-wave eigenmodes
G Carlotti - Applied Physics Reviews, 2019 - pubs.aip.org
Planar magnetic nanoelements, either single-or multilayered, are exploited in a variety of
current or forthcoming spintronic and/or ICT devices, such as read heads, magnetic memory …
current or forthcoming spintronic and/or ICT devices, such as read heads, magnetic memory …
Effect of substrate roughness on the magnetic properties of CoFeB films
H Xie, L Pan, X Cheng, Z Zhu, H Feng, J Wang… - Journal of Magnetism …, 2018 - Elsevier
In this paper, a serious of CoFeB films of 30 nm prepared by a DC magnetron sputtering on
Si substrates with different roughness etched by NaOH solution are investigated. It is found …
Si substrates with different roughness etched by NaOH solution are investigated. It is found …
Theory and experiment of microwave-assisted magnetization switching in perpendicular magnetic nanodots
S Okamoto, M Furuta, N Kikuchi… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we review the theory and experiment on microwave-assisted magnetization
switching in perpendicular magnetic nanodots. Within the framework of the single-macrospin …
switching in perpendicular magnetic nanodots. Within the framework of the single-macrospin …
Fast magnetization reversal of a magnetic nanoparticle induced by cosine chirp microwave field pulse
We investigate the magnetization reversal of single-domain magnetic nanoparticle driven by
the circularly polarized cosine chirp microwave pulse (CCMP). The numerical findings …
the circularly polarized cosine chirp microwave pulse (CCMP). The numerical findings …
Magnetization Dynamics and Damping for L10-FePd Thin Films with Perpendicular Magnetic Anisotropy
Magnetization dynamics and damping for FePd films were investigated using the all-optical
time-resolved magneto-optical Kerr effect. We deposited 16-nm-thick FePd thin films on a …
time-resolved magneto-optical Kerr effect. We deposited 16-nm-thick FePd thin films on a …
Evaluation of the effective potential barrier height in nonlinear magnetization dynamics excited by ac magnetic field
G Okano, Y Nozaki - Physical Review B, 2018 - APS
An alternating current (ac) magnetic field or spin current can reduce the switching field of a
ferromagnet through resonance excitation of a large-angle precession of magnetization. The …
ferromagnet through resonance excitation of a large-angle precession of magnetization. The …