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Award ID contains: 1810143

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  1. ; (, IEEE Transactions on Microwave Theory and Techniques)
    Full Text Available 
  2. ; (, IEEE MEMS 2022)
    Full Text Available 
  3. ; (, 2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS))
    Full Text Available 
  4. ; (, IEEE Electron Device Letters)
    Full Text Available 
  5. ; (, IEEE MTTS International Microwave Symposium digest)
    Accepted Manuscript Full Text Available
  6. ; (, Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum)
    Accepted Manuscript Full Text Available
  7. ; (, Proceedings of the IEEE Frequency Control Symposium)
    In this work, evidence for acoustoelectric (AE) amplification in lateral-extensional thin-film piezoelectric-on- silicon (TPoS) resonant cavities for the first time is demonstrated. Due to the piezoelectric coupling, an evanescent electromagnetic wave is induced in the silicon (Si) layer that is a part of the resonant cavity, exchanging momentum with the carriers. Therefore, by injecting an electric current in this layer, the acoustic equivalent of Cherenkov radiation – AE amplification – can be realized. Such phenomenon is observed in a 1 GHz TPoS resonant cavity in which lateral field excitation is utilized to excite the acoustic wave. 
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    Accepted Manuscript Full Text Available