Super-High-Frequency SAW Resonators on AlN/Diamond

Rodriguez-Madrid, J. G., Iriarte, G. F., Pedros, J., Williams, Oliver Aneurin ORCID: https://orcid.org/0000-0002-7210-3004, Brink, D. and Calle, F. 2012. Super-High-Frequency SAW Resonators on AlN/Diamond. IEEE Electron Device Letters 33 (4) , pp. 495-497. 10.1109/LED.2012.2183851

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Abstract

This letter describes the procedure to manufacture high-performance surface acoustic wave (SAW) resonators on AlN/diamond heterostructures working at frequencies beyond 10 GHz. In the design of SAW devices on AlN/diamond systems, the thickness of the piezoelectric layer is a key parameter. The influence of the film thickness on the SAW device response has been studied. Optimized thin films combined with advanced e-beam lithographic techniques have allowed the fabrication of one-port SAW resonators with finger width and pitch of 200 nm operating in the 10-14 GHz range with up to 36 dB out-of-band rejection.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	AlN/diamond; super-high-frequency band; surface acoustic wave (SAW) resonator; thickness influence
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	0741-3106
Funders:	EPSRC
Last Modified:	25 Oct 2022 08:20
URI:	https://orca.cardiff.ac.uk/id/eprint/52425

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