[HTML][HTML] Heat-assisted magnetic recording—Micromagnetic modeling of recording media and areal density: A review

WH Hsu, RH Victora - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
Hard disk drives have become the most commonly used mass storage devices because of
their low cost and high storage capacity. However, the current perpendicular magnetic …

Composite media for high density heat assisted magnetic recording

Z Liu, Y Jiao, RH Victora - Applied Physics Letters, 2016 - pubs.aip.org
A heat assisted magnetic recording composite media with a superparamagnetic writing layer
is proposed. The recording process is initiated in the write layer that is magnetically softer …

Curvature and skew in heat-assisted magnetic recording

Z Liu, I Gilbert, S Hernandez, C Rea… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Curvature of recorded bit and skew are two factors limiting further improvement of the areal
density capacity of heat-assisted magnetic recording. Performance degradation due to …

Effectiveness of a pulsed laser in heat-assisted magnetic recording

Y Chen, RH Victora - Scientific reports, 2023 - nature.com
Recently, much effort has been directed towards increasing the areal density of heat-
assisted magnetic recording (HAMR). Here, we use our HAMR recording simulation that …

High data rate spin-wave transmitter

K Xue, RH Victora - Scientific Reports, 2024 - nature.com
Spin-wave devices have recently become a strong competitor in computing and information
processing owing to their excellent energy efficiency. Researchers have explored magnons …

Signal-to-Noise Ratio in Heat-Assisted-Recording Media: A Comparison between Simulations and Experiments

A Meo, K Pituso, P Kampun, K Pornpitakpong… - Physical Review …, 2023 - APS
We develop a code to extract the signal-to-noise ratio (SNR) arising from the magnetic film in
a recording medium. The approach allows us to separate the remanence and transition …

[HTML][HTML] Sub-10 nm magnetic sensor for gigahertz operation using lateral spin valve structure

R Hao, RH Victora - Journal of Magnetism and Magnetic Materials, 2024 - Elsevier
We present a new magnetic sensor design using a lateral spin valve (LSV) structure that
features a sensing end less than 10 nm thick, making it suitable for integration with …

Dependence of predicted areal density on common optimization strategies for heat-assisted magnetic recording

Y Jiao, RH Victora - IEEE Magnetics Letters, 2017 - ieeexplore.ieee.org
The ultimate user storage-area density for heat-assisted magnetic recording is an important
consideration both from research and commercial perspectives. We propose two new …

[HTML][HTML] SNR improvement by variation of recording and media parameters for a HAMR exchange coupled composite media

NA Natekar, Z Liu, S Hernandez, RH Victora - AIP Advances, 2018 - pubs.aip.org
An exchange coupled composite media structure proposed previously seems to address
both the issue of T c variation in FePt as well as poor SNR/User Density during the HAMR …

[HTML][HTML] Composite media with reduced write temperature for heat assisted magnetic recording

NA Natekar, W Tipcharoen, RH Victora - Journal of Magnetism and …, 2019 - Elsevier
A major issue plaguing Heat Assisted Magnetic Recording (HAMR) is the high writing (T
write) and peak heat spot temperatures (T peak). To counter this, a low temperature thermal …