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Ukr. J. Phys. 2015, Vol. 60, N 2, p.104-113
https://doi.org/10.15407/ujpe60.02.0104    Paper

Prokopenko O.V.

Faculty of Radio Physics, Electronics and Computer Systems, Taras Shevchenko National University of Kyiv
(64/13, Volodymyrska Str., Kyiv 01601, Ukraine; e-mail: Oleksandr.Prokopenko@gmail.com)

Microwave Signal Sources Based on Spin-Torque Nano-Oscillators

Section: Solid matter
Language: English

Abstract: The spin-transfer torque (STT) effect provides a new method of manipulating the magnetization in nano-scale objects. According to the STT effect, a bias dc current traversing magnetic multilayers can transfer angular magnetic moments from one layer to another, which can give rise to the microwave dynamics of magnetization in the layer. This phenomenon can be used to develop novel microwave signal sources (MSSs). In this work, we review the main research results on MSSs based on the STT effect obtained at Taras Shevchenko National University of Kyiv and its foreign collaborating institutions in the recent years.

Key words: spin-transfer torque, spin-torque nano-oscillator, microwave signal source.

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