Role of metal electrodes in the generation of third order nonlinearities in TC-SAW devices
- In the present work, nonlinearities in temperature compensating (TC) SAW devices are investigated. The materials used are LiNbO₃-rot128YX as the substrate and Copper electrodes covered with a SiO₂-layer as the compensating layer. In order to understand the role of these materials for the nonlinearities in such acoustic devices, a FEM simulation model in combination with a perturbation approach isIn the present work, nonlinearities in temperature compensating (TC) SAW devices are investigated. The materials used are LiNbO₃-rot128YX as the substrate and Copper electrodes covered with a SiO₂-layer as the compensating layer. In order to understand the role of these materials for the nonlinearities in such acoustic devices, a FEM simulation model in combination with a perturbation approach is applied. The nonlinear tensor data of the different materials involved in TC-SAW devices have been taken from literature, but were partially modified to fit experimental data by introducing scaling factors. An effective nonlinearity constant is determined by comparison of nonlinear P-matrix simulations to IMD3 measurements of test filters. By employing these constants in nonlinear periodic P-matrix simulations a direct comparison to nonlinear periodic FEM-simulations yields the scaling factors for the material used. Thus, the contribution of different materials to the nonlinear behavior of TC-SAW devices is obtained and the role of metal electrodes is discussed in detail.…
Document Type: | Conference Proceeding |
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Conference Type: | Konferenzartikel |
Zitierlink: | https://opus.hs-offenburg.de/6968 | Bibliografische Angaben |
Title (English): | Role of metal electrodes in the generation of third order nonlinearities in TC-SAW devices |
Conference: | IEEE International Ultrasonics Symposium (IUS), 06-09 September 2017, Washington, DC, USA |
Author: | Vikrant Chauhan, Robert Weigel, Amelie Hagelauer, Markus Mayer, Werner Ruile, Thomas Ebner, Ingo Bleyl, Karl Wagner, Elena MayerStaff Member, Andreas MayerStaff MemberGND |
Year of Publication: | 2017 |
Publisher: | IEEE |
Page Number: | 4 |
Parent Title (English): | 2017 IEEE International Ultrasonics Symposium (IUS) |
ISBN: | 978-1-5386-3383-0 (Elektronisch) |
ISBN: | 978-1-5386-3382-3 (USB) |
ISSN: | 978-1-5386-3384-7 (Print on Demand) |
ISSN: | 1948-5727 |
DOI: | https://doi.org/10.1109/ULTSYM.2017.8091770 |
Language: | English | Inhaltliche Informationen |
Institutes: | Fakultät Wirtschaft (W) |
Institutes: | Bibliografie | Formale Angaben |
Open Access: | Closed |
Licence (German): | Urheberrechtlich geschützt |