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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2023.3245809
|2 doi
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|a pubmed24n1184.xml
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|a (NLM)37027530
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|a DE-627
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|a eng
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|a Zhao, Xuanyi
|e verfasserin
|4 aut
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|a Extending the Linearity of AlScN Contour-Mode Resonators Through Acoustic Metamaterials-Based Reflectors
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.10.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This work describes the implementation of acoustic metamaterials (AMs) made of a forest of rods at the sides of a suspended aluminum scandium nitride (AlScN) contour-mode resonator (CMR) to increase its power handling without causing degradations of its electromechanical performance. The increase in usable anchoring perimeter with respect to conventional CMR designs, enabled by the adoption of two AM-based lateral anchors, permits to achieve improved heat conduction from the resonator's active region to the substrate. Furthermore, thanks to such AM-based lateral anchors' unique acoustic dispersion features, the attained increase of anchored perimeter does not cause any degradations of the CMR's electromechanical performance, even leading to a ~15% improvement in the measured quality factor. Finally, we experimentally show that using our AM-based lateral anchors leads to a more linear CMR's electrical response, which is enabled by a 32% reduction of its Duffing nonlinear coefficient with respect to the corresponding value attained by a conventional CMR design that uses fully etched lateral sides
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|a Journal Article
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|a Kaya, Onurcan
|e verfasserin
|4 aut
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|a Pirro, Michele
|e verfasserin
|4 aut
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|a Simeoni, Pietro
|e verfasserin
|4 aut
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|a Segovia-Fernandez, Jeronimo
|e verfasserin
|4 aut
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|a Cassella, Cristian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 70(2023), 10 vom: 15. Okt., Seite 1229-1238
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:70
|g year:2023
|g number:10
|g day:15
|g month:10
|g pages:1229-1238
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|u http://dx.doi.org/10.1109/TUFFC.2023.3245809
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