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Alternative title: Nano-Structural Control and Principle Proposal for Thermal, Spin, and Optical Hybridized Advanced Magnetic Recording

Description:

we review recent progress on advanced magnetic recording technologies based on the hybridization of thermal, spin, and optical effects. We focus on two emerging approaches: three-dimensional heat-assisted magnetic recording (3D-HAMR) and thermal spin-torque heat-assisted magnetic recording (TST-HAMR). In addition, we introduce time-resolved magneto-optical Kerr effect (TRMOKE) measurements using femtosecond laser pulses as a powerful tool for probing ultrafast magnetization dynamics in the recording media. These developments highlight that HDD research is no longer a mature and isolated field but rather a multidisciplinary frontier where ideas from magnetic materials science, spintronics, optics, and thermal physics converge.

Rights:

• In Copyright
  

  © 公益社団法人 日本磁気学会 (The Magnetics Society of Japan)

Keyword: HDD, HAMR media, Spin torque, TRMOKE

Date published: 2026-06-01

Publisher: 公益社団法人 日本磁気学会

Journal:

• まぐね (ISSN: 18807208) vol. 21 issue. 3

Funding:

• JST JPMJC22C3
• MEXT JPMXS0320230032

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.6433

First published URL: https://www.magnetics.jp/publication/mag_2026_21_03/

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Updated at: 2026-07-31 11:21:23 +0900

Published on MDR: 2026-07-31 12:27:56 +0900