Parametric excitation of magnetization oscillations controlled by pure spin current

Physical Review B - Condensed Matter and Materials Physics

Volumn 86, Issue 13, 2012, Pages

  Edwards, E R J ^a   Ulrichs, H ^a   Demidov, V E ^a   Demokritov, S O ^a   Urazhdin, S ^b  

^a UNIVERSITY OF MÜNSTER   (Germany)

^b EMORY UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84867824131     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.86.134420     Document Type: Article

References (26)

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25. Note that the microwave current in the Pt line additionally creates an alternating spin current periodically modulating the damping in the Py disk, which can also contribute to the parametric excitation. However, this contribution is not expected to be significant, since the magnitude of the microwave current is smaller by at least one order of magnitude than the dc current needed to produce a sizable effect on the damping.
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