Results 21 to 30 of about 22,436 (254)
Advances in Mechanical Engineering, 2015 An analytical model on electromechanical coupling coefficient and the length optimization of a bending piezoelectric ultrasonic transducer are proposed. The piezoelectric transducer consists of 8 PZT elements sandwiched between four thin electrodes, and ...
Qiang Zhang, Shengjun Shi, Weishan Chen
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Improvement in the Electromechanical Properties of a Partially Diced Piezoelectric Disc Transducer
IEEE Access, 2018 Piezoelectric discs vibrating in the thickness mode are widely used in underwater electroacoustic and electromechanical applications. It is well known and established that the first fundamental mode along the thickness of the disc determines the ...
Sairajan Sarangapani, Xiang Yan
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Demonstration of Thin Film Bulk Acoustic Resonator Based on AlN/AlScN Composite Film with a Feasible
Micromachines, 2022 Film bulk acoustic resonators (FBARs) with a desired effective electromechanical coupling coefficient (Keff2) are essential for designing filter devices.
Laixia Nian +10 more
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Micromachines, 2023 This paper presents an advanced method that combines coupling-of-modes (COM) theory and the finite element method (FEM), which enables the quick extraction of COM parameters and the accurate prediction of the electroacoustic and temperature behavior of ...
Lingqi Li +6 more
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Shuttle-promoted nano-mechanical current switch [PDF]
, 2015 We investigate electron shuttling in three-terminal nanoelectromechanocal device built on a movable metallic rod oscillating between two drains. The device shows a double-well shaped electromechanical potential tunable by a source-drain bias voltage ...
Gorelik, Leonid Y. +4 more
core +2 more sources
Effect of a Herringbone Mesostructure on the Electromechanical Properties of Piezofiber Composites for Energy Harvesting Applications [PDF]
, 2017 Piezoelectric materials are often used in energy harvesting devices that convert the waste mechanical energy into effective electrical energy. Polymer-based piezoelectric composites appear to be promising candidates for use in these devices, as they ...
Avazmohammadi, R., Hashemi, R.
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Nanomaterials, 2023 Despite the dominance of bulk acoustic wave (BAW) filters in the high-frequency market due to their superior performance and compatible integration process, the advent of the 5G era brings up new challenges to meet the ever-growing demands on high ...
Wentong Dou +6 more
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Multilevel Modeling of 1-3 Piezoelectric Energy Harvester Based on Porous Piezoceramics [PDF]
Journal of Applied and Computational Mechanics, 2023 The paper presents a computer analysis of the properties of a piezoelectric composite consisting of porous piezoceramic rods regularly arranged in an elastic matrix (piezocomposite with a connectivity of 1-3).
Thanh Binh Do +3 more
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Monolithic ultrasound fingerprint sensor. [PDF]
, 2017 This paper presents a 591×438-DPI ultrasonic fingerprint sensor. The sensor is based on a piezoelectric micromachined ultrasonic transducer (PMUT) array that is bonded at wafer-level to complementary metal oxide semiconductor (CMOS) signal processing ...
Boser, Bernhard E +7 more
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Mechanical On-Chip Microwave Circulator [PDF]
, 2017 Nonreciprocal circuit elements form an integral part of modern measurement and communication systems. Mathematically they require breaking of time-reversal symmetry, typically achieved using magnetic materials and more recently using the quantum Hall ...
Barzanjeh, S. +6 more
core +7 more sources