Chenyi Zhou

Chenyi Zhou

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Chenyi Zhou

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Physics - Mesoscopic Systems and Quantum Hall Effect (1)

Publications Authored By Chenyi Zhou

The phenomenon of spin transfer torque (STT) has attracted a great deal of interests due to its promising prospects in practical spintronic devices. In this paper, we report a theoretical investigation of STT in a noncollinear magnetic tunnel junction under ac modulation based on the nonequilibrium Green's function formalism, and derive a closed-formulation for predicting the time-averaged STT. Using this formulation, the ac STT of a carbon-nanotube-based magnetic tunnel junction is analyzed. Read More