| Autor: |
Sarina Kinoshita, Hiroki Kishi, Kota Izumi, Takahiko Yanagitani |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
Applied Physics Express, Vol 17, Iss 11, p 116501 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
1882-0786 |
| DOI: |
10.35848/1882-0786/ad8da5 |
| Popis: |
GHz voltage amplification was found in a stacked structure of piezoelectric layers (such as ScAlN) and non-piezoelectric layers (such as SiO _2 ). This allows for large-area fabrication using commercial equipment. This approach contributes to wireless sensor activation. The electromechanical coupling coefficients k _t ^2 of the input and output layers were found to be 17.6% and 13.7%, respectively. An experimental open-circuit voltage gain of 4.5 (+13 dB) at 0.8 GHz was observed, with a maximum transmission loss (S _21 ) of −5 dB. The experimental result shows good agreement with the theoretical prediction simulated by the electromechanical transmission line model. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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