High-performance surface acoustic wave resonators in the 1 to 3 GHz range using a ScAlN/6H-SiC structure

This paper describes application of Sc-doped AlN (ScAlN) to wideband SAW devices in the 1 to 3 GHz range. First, it is shown theoretically that large SAW velocity and electromechanical coupling factor are simultaneously achievable when the ScAlN film is combined with a base substrate with extremely...

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Détails bibliographiques
Publié dans:IEEE transactions on ultrasonics, ferroelectrics, and frequency control. - 1986. - 60(2013), 3 vom: 01. März, Seite 637-42
Auteur principal: Hashimoto, Ken-ya (Auteur)
Autres auteurs: Sato, Shuhei, Teshigahara, Akihiko, Nakamura, Takuya, Kano, Kazuhiko
Format: Article en ligne
Langue:English
Publié: 2013
Accès à la collection:IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Sujets:Journal Article Research Support, Non-U.S. Gov't
Description
Résumé:This paper describes application of Sc-doped AlN (ScAlN) to wideband SAW devices in the 1 to 3 GHz range. First, it is shown theoretically that large SAW velocity and electromechanical coupling factor are simultaneously achievable when the ScAlN film is combined with a base substrate with extremely high acoustic wave velocities, such as diamond and SiC. Next, SAW delay lines are fabricated on the ScAlN/6H-SiC structure, and reasonable agreement between the theory and experiment is obtained. Finally, one-port SAW resonators are fabricated on the structure, and it is shown that high-performance is achievable in the 1 to 3 GHz range by use of the structure
Description:Date Completed 20.08.2013
Date Revised 11.03.2013
published: Print
Citation Status PubMed-not-MEDLINE
ISSN:1525-8955
DOI:10.1109/TUFFC.2013.2606