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|Title:||Multiple-mode excitation in spin-transfer nanocontacts with dynamic polarizer|
Wang, X. L.
Yeung, S. H.
Kwok, D. T.
Wong, H. F.
Chu, P. K.
Leung, C. W.
Spin polarised transport
|Publisher:||American Institute of Physics|
|Source:||Applied physics letters, 13 June, 2011, v. 98, no. 24, 242506. p. 1-3.|
|Abstract:||We report our study on the emission response of a magnetic nanocontact with dynamic polarizer in perpendicular magnetic field. In this configuration three modes are accessible, two of which correspond to the precessional motion of a vortex in one of the two ferromagnetic layers with the other working as a static polarizer. At high currents a third mode can be observed that is ascribed to the simultaneous precession of two vortices, one in each layer, with the other layer working as a dynamic polarizer.|
|Rights:||© 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in N Wang et al., Appl. Phys. Lett. 98, 242506 (2011) and may be found at http://apl.aip.org/resource/1/applab/v98/i24/p242506_s1.|
|Appears in Collections:||AP Journal/Magazine Articles|
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