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Spin-polarized current switching of a Co thin film nanomagnet
Abstract
A thin film Co nanomagnet in the shape of an elongated hexagon has been incorporated in a vertical device structure consisting of the nanomagnet and a thin Cu spacer layer formed on top of a thick Co film. The spin-polarized current flowing between the nanomagnet and the Co film is used to abruptly switch the magnetic alignment of the nanomagnet relative to that of the thick Co layer by the transfer of spin angular momentum from the conduction electrons to the nanomagnet moment. The shape anisotropy in the nanomagnet promotes the single domain behavior required for nonvolatile memory applications.
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Citations
Cited by
The emergence of spin electronics in data storage
Chappert, C., Fert, A., & Van Dau, F. N. (2007) · Nature Materials · doi:10.1038/nmat2024 · Cited by 2,546
Towards a magnetoelectric memory
Bibes, M., & Barthélémy, A. (2008) · Nature Materials · doi:10.1038/nmat2189 · Cited by 1,613
Ordered magnetic nanostructures: fabrication and properties
Martı́n, J. I., Nogués, J., Liu, K., Vicent, J. L., & Schuller, I. K. (2003) · Journal of Magnetism and Magnetic Materials · doi:10.1016/s0304-8853(02)00898-3 · Cited by 889
Current-induced domain-wall switching in a ferromagnetic semiconductor structure
Yamanouchi, M., Chiba, D., Matsukura, F., & Ohno, H. (2004) · Nature · doi:10.1038/nature02441 · Cited by 697
Magnetism in ultrathin film structures
Vaz, C. A. F., Bland, J. A. C., & Lauhoff, G. (2008) · Reports on Progress in Physics · doi:10.1088/0034-4885/71/5/056501 · Cited by 592
Metadata
- Authors
- Albert, F. J., Katine, J. A., Buhrman, R. A., & Ralph, D. C.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2000-12-04
- Volume
- 77
- Issue
- 23
- Pages
- 3809-3811
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1971684003
- Cited by
- 375
- References
- 0
- FWCI
- 11.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Spin-polarized current switching of a Co thin film nanomagnet. https://app.cochat.ai/papers/10.1063/1.1330562
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- Albert, F. J., Katine, J. A., Buhrman, R. A., & Ralph, D. C. (2000). Spin-polarized current switching of a Co thin film nanomagnet. Applied Physics Letters. https://doi.org/10.1063/1.1330562
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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.
