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Heat Assisted Magnetic Recording
Abstract
Heat-assisted magnetic recording is a promising approach for enabling large increases in the storage density of hard disk drives. A laser is used to momentarily heat the recording area of the medium to reduce its coercivity below that of the applied magnetic field from the recording head. In such a system, the recording materials have a very high magnetic anisotropy, which is essential for the thermal stability of the magnetization of the extremely small grains in the medium. This technology involves new recording physics, new approaches to near field optics, a recording head that integrates optics and magnetics, new recording materials, lubricants that can withstand extremely high temperatures, and new approaches to the recording channel design. This paper surveys the challenges for this technology and the progress that has been made in addressing them.
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Citations
Cited by
Organic Phase Syntheses of Magnetic Nanoparticles and Their Applications
Wu, L., Mendoza-Garcia, A., Li, Q., & Sun, S. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00687 · Cited by 601
Bit-Patterned Magnetic Recording: Theory, Media Fabrication, and Recording Performance
Albrecht, T. R., Arora, H., Ayanoor-Vitikkate, V., Beaujour, J.-M., Bedau, D., Berman, D., Bogdanov, A. L., Chapuis, Y.-A., Cushen, J., Dobisz, E. E., et al. (2015) · IEEE Transactions on Magnetics · doi:10.1109/tmag.2015.2397880 · Cited by 398
Directed self-assembly of block copolymers for use in bit patterned media fabrication
Griffiths, R. A., Williams, A., Oakland, C., Roberts, J., Vijayaraghavan, A., & Thomson, T. (2013) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/46/50/503001 · Cited by 375
Thermal conductance of metal–diamond interfaces at high pressure
Hohensee, G. T., Wilson, R. B., & Cahill, D. G. (2015) · Nature Communications · doi:10.1038/ncomms7578 · Cited by 197
Fontana, R. E., & Decad, G. M. (2018) · AIP Advances · doi:10.1063/1.5007621 · Cited by 49
Metadata
- Authors
- Kryder, M. H., Gage, E. C., McDaniel, T. W., Challener, W. A., Rottmayer, R. E., Ju, G., Hsia, Y.-T., & Erden, M. F.
- Venue
- Proceedings of the IEEE
- Published
- 2008-11
- Volume
- 96
- Issue
- 11
- Pages
- 1810-1835
- ISSN
- 0018-9219 (ISSN-L)
- 1558-2256
- OpenAlex
- W2073102712
- Cited by
- 1,079
- References
- 0
- FWCI
- 16.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Heat Assisted Magnetic Recording. https://app.cochat.ai/papers/10.1109/jproc.2008.2004315
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- Kryder, M. H., Gage, E. C., McDaniel, T. W., Challener, W. A., Rottmayer, R. E., Ju, G., Hsia, Y.-T., & Erden, M. F. (2008). Heat Assisted Magnetic Recording. Proceedings of the IEEE. https://doi.org/10.1109/jproc.2008.2004315
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
