Using Tunnel Junction And Bias For Effective Current Injection Into Magnetic Phonon-Gain Medium
Using Tunnel Junction And Bias For Effective Current Injection Into Magnetic Phonon-Gain Medium
Description
Abstract:
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- An apparatus for generating ultra-high frequency sound waves with frequencies between (1 GHz-10 GHz) is proposed. The apparatus comprises a magnetic phonon-gain medium configured to generate high frequency non-equilibrium phonons by non-equilibrium magnons having the magnon velocity exceeding the sound velocity in the magnetic phonon-gain medium. The non-equilibrium magnons having the magnon velocity exceeding the sound velocity in the magnetic phonon-gain medium are generated by injected via a tunnel junction non-equilibrium electrons having spin opposite to the direction of magnetization of the magnetic phonon-gain medium.
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Issue/Publication date:
09/15/2015
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