SAW propagation characteristics of TeO<sub>3</sub>/3C-SiC/LiNbO<sub>3</sub>layered structure

Soni, Namrata Dewan

doi:10.1088/2053-1591/aabe6b

Cited by 3 publications

(1 citation statement)

References 34 publications

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“…[12,18,22,23], and are presented in Table 1. The effective coupling of inter digital transducer to the surface-wave is measured in terms of the electromechanical coupling coefficient, K 2 given by [1,26,27]…”

Section: Methodsmentioning

confidence: 99%

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Soni

Bhola

2021

Crystals

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The present study depicts the first-ever optimized surface acoustic wave (SAW) device based on Beryllium Oxide (BeO) thin film. The feasibility of surface acoustic wave devices based on BeO/128° YX LiNbO3 layered structure has been examined theoretically. The SAW phase velocity, electromechanical coupling coefficient, and temperature coefficient of delay for BeO/128° YX LiNbO3 layered structure are calculated. The layered structure is found to exhibit optimum value of phase velocity (4476 ms−1) and coupling coefficient (~9.66%) at BeO over layer thickness of 0.08λ. The BeO (0.08λ)/128° YX LiNbO3 SAW device is made temperature stable, by integrating it with negative temperature coefficient of delay (TCD) TeO3 over layer of thickness 0.026λ.

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Section: Methodsmentioning

confidence: 99%

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Soni

Bhola

2021

Crystals

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Development of chipless and wireless underground temperature sensor system based on magnetic antennas and SAW sensor

Kim

Adib

Lee

2019

Sensors and Actuators A: Physical

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Investigation of Surface Acoustic Wave Propagation Characteristics in New Multilayer Structure: SiO2/IDT/LiNbO3/Diamond/Si

Zhang

Wang

2021

Micromachines

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Surface acoustic wave (SAW) devices are widely used in many fields such as mobile communication, phased array radar, and wireless passive sensor systems. With the upgrade of mobile networks, the requirements for the performance of SAW devices have also increased, and high-frequency wideband SAW devices have become an important research topic in communication systems and other application fields. In this paper, a theoretical study for the realization of a layered SAW filter based on a new SiO2/IDT/128°YX-LiNbO3/diamond/silicon layered structure using the modeling software COMSOL Multiphysics is presented. The effects of lithium niobate (LiNbO3), an interdigital transducer (IDT), and SiO2 thin films on the evolution of the phase velocity, electromechanical coupling coefficient (k2), and temperature coefficient of frequency were studied by employing a finite element method simulation. Furthermore, a longitudinal coupling resonator filter was designed. To investigate the SAW characteristics of the filter, a transient analysis was conducted to calculate the electrical potential and particle displacement under the resonance condition and to analyze the frequency response. The study concluded that this new multilayer structure can be applied to design and manufacture a variety of high-frequency and wideband SAW filters with a temperature compensation function, for operation above the GHz range.

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SAW propagation characteristics of TeO₃/3C-SiC/LiNbO₃layered structure

Cited by 3 publications

References 34 publications

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Development of chipless and wireless underground temperature sensor system based on magnetic antennas and SAW sensor

Investigation of Surface Acoustic Wave Propagation Characteristics in New Multilayer Structure: SiO2/IDT/LiNbO3/Diamond/Si

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SAW propagation characteristics of TeO3/3C-SiC/LiNbO3layered structure

Cited by 3 publications

References 34 publications

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Enhanced Properties of SAW Device Based on Beryllium Oxide Thin Films

Development of chipless and wireless underground temperature sensor system based on magnetic antennas and SAW sensor

Investigation of Surface Acoustic Wave Propagation Characteristics in New Multilayer Structure: SiO2/IDT/LiNbO3/Diamond/Si

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SAW propagation characteristics of TeO₃/3C-SiC/LiNbO₃layered structure