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Excitation of a Magnetic Multilayer by an Electric Current
Abstract
We describe variations in the resistance of $\mathrm{Co}/\mathrm{Cu}$ multilayers, induced by means of a high current density $\ensuremath{\approx}{10}^{8}\mathrm{A}/{\mathrm{cm}}^{2}$ injected into the multilayer through a point contact. We propose that the observed resistance changes are due to excitations of zero-wave-number spin waves in the magnetic layers. As predicted, such current-driven excitation of a magnetic multilayer occurs for only one direction of current flow and has a current threshold which increases linearly with the applied magnetic field.
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Metadata
- Authors
- Tsoi, M., Jansen, A. G. M., Bass, J., Chiang, W.-C., Seck, M., Tsoi, V., & Wyder, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-05-11
- Volume
- 80
- Issue
- 19
- Pages
- 4281-4284
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2038682136
- Cited by
- 1,169
- References
- 0
- FWCI
- 12.76
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tsoi, M., Jansen, A. G. M., Bass, J., Chiang, W.-C., Seck, M., Tsoi, V., & Wyder, P. (1998). Excitation of a Magnetic Multilayer by an Electric Current. Physical Review Letters. https://doi.org/10.1103/physrevlett.80.4281
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