98 citations · 184 across the 5 of their papers we have counts for
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cond-mat.mtrl-sci2009★ 34 cited
Measurement of nonlinear frequency shift coefficient in spin-torque oscillators based on MgO tunnel junctions
Kiwamu Kudo, Tazumi Nagasawa, Rie Sato +1
The nonlinear frequency shift coefficient, which represents the strength of the transformation of amplitude fluctuations into phase fluctuations of an oscillator, is measured for M…
cond-mat.mtrl-sci2008★ 33 cited
Amplitude-Phase Coupling in a Spin-Torque Nano-Oscillator
Kiwamu Kudo, Tazumi Nagasawa, Rie Sato +1
The spin-torque nano-oscillator in the presence of thermal fluctuation is described by the normal form of the Hopf bifurcation with an additive white noise. By the application of t…
cond-mat.mtrl-sci2005★ 16 cited
Synchronized Magnetization Oscillations in F/N/F Nanopillars
Kiwamu Kudo, Rie Sato, Koichi Mizushima
Current-induced magnetization dynamics in a trilayer structure composed of two ferromagnetic free layers and a nonmagnetic spacer is examined. Both free layers are treated as a mon…