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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2019.2944174
|2 doi
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|a pubmed24n1005.xml
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|a eng
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| 100 |
1 |
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|a Branch, Darren W
|e verfasserin
|4 aut
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|a Investigation of a Solid-State Tuning Behavior in Lithium Niobate
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|c 2020
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|a Text
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|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 04.03.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Electric field-based frequency tuning of acoustic resonators at the material level may provide an enabling technology for building complex tunable filters. Tunable acoustic resonators were fabricated in thin plates (h/ λ ∼ 0.05 ) of X-cut lithium niobate (LiNbO3) (90°, 90°, ψ = 170° ). LiNbO3 is known for its large electromechanical coupling ( K 2 ) for the shear and symmetric Lamb modes (SH0: K 2 = 40 %, S0: K 2 = 30 %) in thin plates and, thus, applicability for low-insertion loss and wideband filter applications. We demonstrate the effect of a dc bias in X-cut LiNbO3 to shift the resonant frequency by ~0.4% through direct tuning of the resonator material. A nonlinear acoustic computation predicted 0.36% tuning, which was in excellent agreement with the tuning measurement. For X-cut, we predicted electrical tuning of the S0 mode up to 1.6% and for Y-cut the electrical tuning of the SH0 and S0 modes was up to 7.0% with K 2 = 27.1 %. The mechanism is based on the nonlinearities that exist in the piezoelectric properties of LiNbO3. The X-cut SH0 mode resonators were centered near 335 MHz and achieved a frequency tuning of 6 kHz/V through the application of a dc bias
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|a Journal Article
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1 |
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|a Jensen, Daniel S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nordquist, Christopher D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Siddiqui, Aleem
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Douglas, James K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Eichenfield, Matthew
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Friedmann, Thomas A
|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 67(2020), 2 vom: 30. Feb., Seite 365-373
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:67
|g year:2020
|g number:2
|g day:30
|g month:02
|g pages:365-373
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|u http://dx.doi.org/10.1109/TUFFC.2019.2944174
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