ReaxFF reactive molecular dynamics simulations of mechano-chemical decomposition of perfluoropolyether lubricants in heat-assisted magnetic recording

X Chen, K Kawai, H Zhang, K Fukuzawa… - The Journal of …, 2020 - ACS Publications
A thorough understanding of the decomposition of perfluoropolyether (PFPE) lubricants is
crucial to achieve heat-assisted magnetic recording (HAMR). In contrast to previous studies …

Enhancement of thermal conductance at metal-dielectric interfaces using subnanometer metal adhesion layers

M Jeong, JP Freedman, HJ Liang, CM Chow… - Physical Review …, 2016 - APS
We show that the use of subnanometer adhesion layers significantly enhances the thermal
interface conductance at metal-dielectric interfaces. A metal-dielectric interface between Au …

Write-induced head contamination in heat-assisted magnetic recording

JD Kiely, PM Jones, Y Yang, JL Brand… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
One detrimental by-product of heat-assisted magnetic recording writing is the creation of
head contamination. Here, we present the current understanding of the driving forces …

Interlaced magnetic recording

E Hwang, J Park, R Rauschmayer… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, an alternative magnetic recording architecture and corresponding signal
processing schemes are presented, named interlaced magnetic recording (IMR). Tracks are …

Thermal interface conductance across metal alloy–dielectric interfaces

JP Freedman, X Yu, RF Davis, AJ Gellman, JA Malen - Physical Review B, 2016 - APS
We present measurements of thermal interface conductance as a function of metal alloy
composition. Composition spread alloy films of A ux C u 1− x and A ux P d 1− x solid …

An implicit spin lattice dynamics integrator in LAMMPS

JR Cooke III, JR Lukes - Computer Physics Communications, 2022 - Elsevier
An iterative implicit solver is implemented in LAMMPS for spin lattice dynamics simulations.
An approach to treat multibody interactions, specifically in metallic materials described by …

Setting write spacing in heat assisted magnetic recording

S Xiong, R Smith, J Xu, S Nishida… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Heat assisted magnetic recording (HAMR) has the potential to deliver higher storage areal
density beyond 1 Tb/in 2. A laser is integrated in the flying read/write head to heat up the …

Measurement and simulation of nanoscale gap heat transfer using a read/write head with a contact sensor

Y Ma, A Ghafari, BV Budaev… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Heat-assisted magnetic recording (HAMR), microwave-assisted magnetic recording, and
other new technologies are being developed to boost the storage capacity of current hard …

Thermal aspects and static/dynamic protrusion behaviors in heat-assisted magnetic recording

E Schreck, D Li, SV Canchi, L Huang… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
The pressure of increasing the areal density of magnetic storage media demands the leap to
new storage technologies. Among the prime candidates, available is heat-assisted magnetic …

Nanocavity induced light concentration for energy efficient heat assisted magnetic recording media

C Deng, H Song, J Parry, Y Liu, S He, X Xu, Q Gan… - Nano Energy, 2018 - Elsevier
Enhancing light absorption in the recording media layer can improve the energy efficiency
and prolong the device lifetime in heat assisted magnetic recording (HAMR). In this work, we …