FePt heat assisted magnetic recording media

D Weller, G Parker, O Mosendz, A Lyberatos… - Journal of Vacuum …, 2016 - pubs.aip.org
Heat-assisted magnetic recording (HAMR) media status, requirements, and challenges to
extend the areal density (AD) of magnetic hard disk drives beyond current records of around …

Ultra-high coercivity small-grain FePt media for thermally assisted recording

O Mosendz, S Pisana, JW Reiner, B Stipe… - Journal of Applied …, 2012 - pubs.aip.org
Thermally assisted magnetic recording (TAR), a promising approach to extend data storage
densities beyond 1 terabit/in. 2, requires high anisotropy granular magnetic media with small …

Effect of MgO underlayer misorientation on the texture and magnetic property of FePt–C granular film

J Wang, S Hata, YK Takahashi, H Sepehri-Amin… - Acta Materialia, 2015 - Elsevier
A transmission electron microscope (TEM) based orientation mapping technique and
micromagnetic simulations were applied to study the influence of easy axis distribution …

Mechanism of coercivity enhancement by Ag addition in FePt-C granular films for heat assisted magnetic recording media

BSD Varaprasad, YK Takahashi, J Wang, T Ina… - Applied Physics …, 2014 - pubs.aip.org
We investigated the Ag distribution in a FePtAg-C granular film that is under consideration
for a heat assisted magnetic recording medium by aberration-corrected scanning …

Data-driven optimization of FePt heat-assisted magnetic recording media accelerated by deep learning TEM image segmentation

N Kulesh, A Bolyachkin, I Suzuki, YK Takahashi… - Acta Materialia, 2023 - Elsevier
The main bottleneck for heat-assisted magnetic recording (HAMR) to achieve a potential
areal density of 4 Tb/in 2 is the difficulty in obtaining FePt-X nanogranular media with an …

Structure, magnetic and thermal properties of FePt–C–BN granular films for heat assisted magnetic recording

S Chen, X Shu, Q Xie, C Zhou, J Zhou… - Journal of Physics D …, 2020 - iopscience.iop.org
The structure, magnetic and thermal properties of (FePt 0.78–C 0.22)–BN granular films with
various BN volume concentrations are systematically studied. Compared to the FePt–C film …

Magnetization reversal of FePt based exchange coupled composite media

J Wang, H Sepehri-Amin, YK Takahashi, S Okamoto… - Acta Materialia, 2016 - Elsevier
Microstructure and magnetic properties of L1 0-ordered FePt-C nanogranular films capped
with A1-disordered FePt layers with various thicknesses were investigated. After the growth …

Microstructure and in-plane component of L10-FePt films deposited on MgO and MgAl2O4 substrates

H Sepehri-Amin, H Iwama, T Ohkubo, T Shima, K Hono - Scripta Materialia, 2017 - Elsevier
Microstructures of FePt films deposited on MgO and MgAl 2 O 4 single crystalline substrates
were studied using aberration corrected scanning transmission electron microscopy (STEM) …

Microstructure Control of L10-Ordered FePt Granular Film for Heat-Assisted Magnetic Recording (HAMR) Media

BSDCS Varaprasad, YK Takahashi, K Hono - JOM, 2013 - Springer
L1 0-ordered FePt nanogranular film is one of the promising candidates for the next-
generation high areal density media for heat-assisted magnetic recording (HAMR). To …

L10 FePt Granular Films for Heat-Assisted Magnetic Recording Media

K Hono, YK Takahashi - Ultrahigh Density Magnetic …, 2016 - api.taylorfrancis.com
FePt–C nanogranular films are coming close to the actual application as recording media for
the next-generation high-density recording system, heat-assisted magnetic recording …