Heat-assisted magnetic recording's extensibility to high linear and areal density

Y Kubota, Y Peng, Y Ding, EKC Chang… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Heat-assisted magnetic recording (HAMR) is being developed as the next generation
magnetic recording technology. Critical components of this technology, such as the …

Microstructure evolution in FePt-Cr2O3 granular thin films

I Suzuki, T Abe, H Sepehri-Amin, K Hono… - Journal of Magnetism …, 2023 - Elsevier
Increase in the FePt grain density is necessary to achieve an ultra-high recording density of
the heat-assisted magnetic recording. Herein, the highest grain density in FePt-Cr 2 O 3 …

Grain density control in FePt granular films for heat-assisted magnetic recording media

I Suzuki, YK Takahashi - Japanese journal of applied physics, 2022 - iopscience.iop.org
To realize high areal density, hard disk drives larger than 4 Tbit in− 2, ultrafine FePt grains of
less than 5 nm and grain density larger than 24 T in− 2 are required. Although there have …

Microstructure and magnetic properties of FePt-(C, SiO2) granular films deposited on MgO, MgTiO, and MgTiON underlayers

H Sepehri-Amin, M Nagano, T Seki, H Ho, D Tripathy… - Scripta Materialia, 2018 - Elsevier
We investigated the microstructure and magnetic properties of FePt-(C, SiO 2) granular films
deposited on MgO, MgTiO, and MgTiON underlayers. The coercivity and grain size of the …

Statistical approach based on the Stoner-Wohlfarth model for the switching field in a misoriented magnet array

D Lee, J Park, D Han, S Ippei, T Yukiko, S Noh, J Lee… - Physical Review …, 2024 - APS
The Stoner-Wohlfarth model (SW model) is used to explain the relationship between the
external magnetic field and the magnetization reversal of a single magnetic domain …

Magnetic anisotropy phase-graded A1/L10-FePt films on amorphous glass substrates

G Barucca, T Speliotis, G Giannopoulos, D Niarchos… - Materials & Design, 2017 - Elsevier
Magnetic anisotropy phase-graded A1/L1 0-FePt films deposited on amorphous glass
substrates were investigated combining ultra-high resolution electron microscopy and …

High melting point metal (Pt, W) seed layer for grain size refinement of FePt-based heat-assisted magnetic recording media

J Wang, D Liu, I Suzuki, Y Takahashi… - Applied Physics …, 2019 - iopscience.iop.org
Refinement of the FePt grain size for heat-assisted magnetic recording (HAMR) media was
explored by utilizing high melting point metals Pt and W as seed layers. Unlike the W, the Pt …

Synthesis of a High‐Coercivity FePt–Ag Nanocomposite Magnet via Block Copolymer‐Templated Self‐Assembly

H Wakayama, H Yonekura - Journal of Nanomaterials, 2017 - Wiley Online Library
Magnetic recording media are composed of magnetic thin films consisting of magnetically
isolated crystallites. For practical use of magnetic particles as recording media, it will be …

[PDF][PDF] Research Article Synthesis of a High-Coercivity FePt–Ag Nanocomposite Magnet via Block Copolymer-Templated Self-Assembly

H Wakayama, H Yonekura - 2017 - academia.edu
Magnetic recording media are composed of magnetic thin films consisting of magnetically
isolated crystallites. For practical use of magnetic particles as recording media, it will be …

L10-FePt-C グラニュラー媒体の残留磁区状態に依存したスピン軌道トルク

鈴木一平, 磯上慎二, 杉本聡志… - 応用物理学会学術講演会 …, 2020 - jstage.jst.go.jp
14p-PA1-45 Page 1 Remanent magnetic domain dependent spin-orbit torques in L10-FePt-C
granular media 1 NIMS, 2 Waseda Univ.; I. Suzuki1, ○S. Isogami1, S. Sugimoto1, and YK …