Search Results - "Gayathri Pillai"
-
1
Quality factor boosting of bulk acoustic wave resonators based on a two dimensional array of high-Q resonant tanks
Published in Applied physics letters (20-04-2020)“…An innovative resonance excitation methodology of a two-dimensional array of uniformly patterned structure into extremely high-quality factor (Q) mode using…”
Get full text
Journal Article -
2
Controllable multichannel acousto-optic modulator and frequency synthesizer enabled by nonlinear MEMS resonator
Published in Scientific reports (25-05-2021)“…Nonlinear physics-based harmonic generators and modulators are critical signal processing technologies for optical and electrical communication. However, most…”
Get full text
Journal Article -
3
Piezoelectric MEMS Resonators: A Review
Published in IEEE sensors journal (01-06-2021)“…Since two decades piezoelectric MEMS resonator research has been making a headway by leaps and bounds in multiple fronts such as micro/nanofabrication…”
Get full text
Journal Article -
4
Exploration and Realization of Novel High-Q Bulk Modes Using Support Transducer Topology
Published in Journal of microelectromechanical systems (01-10-2021)“…This work reports an exploratory study of novel high quality factor acoustic modes that can be excited using the support transducer topology. The removal of…”
Get full text
Journal Article -
5
Synchronized Opto-Electro-Mechanical Measurements for Estimation of Energy Dissipation in Thin-Film-Piezoelectric-on-Substrate MEMS/NEMS Devices
Published in Journal of microelectromechanical systems (04-10-2024)“…Piezoelectric microelectromechanical systems have significant market potential owing to their superior capabilities of transduction to those of standard…”
Get full text
Journal Article -
6
A Thin-Film Piezoelectric-on-Silicon MEMS Oscillator for Mass Sensing Applications
Published in IEEE sensors journal (01-07-2020)“…In this study, a Thin-film Piezoelectric-on-Silicon (TPoS) MEMS oscillator is successfully demonstrated that uses lead zirconate titanate (PZT) thin-film…”
Get full text
Journal Article -
7
Tiny-Gap Titanium-Nitride-Composite MEMS Resonator Designs With High Power Handling Capability
Published in Journal of microelectromechanical systems (01-04-2023)“…In this work, we have explored the power handling and motional resistance for the MEMS resonators fabricated using the Titanium-Nitride-Composite (TiN-C)…”
Get full text
Journal Article -
8
Exploring soliton solutions and interesting wave-form patterns of the (1 + 1)-dimensional longitudinal wave equation in a magnetic-electro-elastic circular rod
Published in Optical and quantum electronics (03-05-2024)“…In this work, we use two newly powerful and efficient techniques, the unified method and the unified Riccati equation expansion (UREE) method, to derive…”
Get full text
Journal Article -
9
Piezoelectric-Based Support Transducer Design to Enable High-Performance Bulk Mode Resonators
Published in Journal of microelectromechanical systems (01-02-2019)“…An innovative topology to realize high-performance bulk mode devices made up of low-defect material by driving them into resonance using piezoelectric…”
Get full text
Journal Article -
10
A chip-scale frequency down-conversion realized by MEMS-based filter and local oscillator
Published in Sensors and actuators. A. Physical. (01-02-2020)“…[Display omitted] •Wide clamped-clamped (CC) beam resonator and filter has been designed and characterized to achieve mixler operation on a chip.•Performance…”
Get full text
Journal Article -
11
A PM2.5 Sensor Module Based on a TPoS MEMS Oscillator and an Aerosol Impactor
Published in IEEE sensors journal (15-12-2020)“…In this work, a real-time PM2.5 sensor module with high mass resolution and wide detection range is successfully demonstrated while the module consists of a…”
Get full text
Journal Article -
12
High-Q Support Transducer MEMS Resonators Enabled Low-Phase-Noise Oscillators
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-04-2021)“…Structural and electrode material engineering methodology to attain quality factor enhancement in a support transducer enabled Wine-glass and Lamé mode…”
Get full text
Journal Article -
13
Design and Optimization of SHF Composite FBAR Resonators
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-12-2017)“…We propose an apodization technique-based composite thin-film bulk acoustic wave resonator (c-FBAR) design to enable the displacement and strain energy…”
Get full text
Journal Article -
14
Nonlinearity Driven Higher Order Harmonics in CMOS-MEMS Resonators
Published in 2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF) (01-07-2020)“…In this work, we explore the generation of higher order harmonics in an electrostatically actuated wide-width beam resonator fabricated by a CMOS-MEMS Titanium…”
Get full text
Conference Proceeding -
15
Fabrication and characterization of lithium-niobate thin film MEMS piezoelectric resonators
Published in 2016 IEEE 11th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) (01-04-2016)“…This work proposes single crystal X-cut thin film Lithium Niobate (LN) resonators operating in a shear horizontal (SH 0 ) acoustic plate wave mode to achieve a…”
Get full text
Conference Proceeding -
16
Ultrasensitive Pressure Sensor Based on an Integrated Circular Piezoelectric MEMS Resonator and Diaphragm Structure
Published in IEEE sensors letters (01-12-2023)“…In this letter, we report an ultrasensitive pressure sensor based on an integrated circular piezoelectric microelectromechanical resonator and stainless-steel…”
Get full text
Journal Article -
17
Low Phase Noise Wine-Glass Oscillator Realized Using Enhanced Support Transducer Design
Published in 2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF) (01-07-2020)“…An array of short mechanical couplers scheme to realize a support transducer enabled Wine-glass resonator/oscillator exhibiting a quality factor ( Q ) of…”
Get full text
Conference Proceeding -
18
A Miniaturized PM2.5 Sensor Module Based on a Thin-Film Piezoelectric-on-Silicon MEMS Oscillator
Published in 2021 IEEE International Symposium on Applications of Ferroelectrics (ISAF) (16-05-2021)“…This study reports on a miniaturized PM2.5 sensor module utilizing a thin-film piezoelectric-on-silicon (TPoS) MEMS oscillator with real-time detection and…”
Get full text
Conference Proceeding -
19
Conceptual Design of a Resonant Pirani Gauge Toward Wide-Range Pressure Sensing
Published in IEEE sensors letters (01-11-2019)“…This letter reports a CMOS-microelectromechanical system (MEMS) pressure sensor comprising a double-ended tuning fork capacitive resonant transducer and a…”
Get full text
Journal Article -
20
Synchronized Opto-Electro-Mechanical Measurements for Energy Loss Estimation in Thin-Film-Piezoelectric-on-Substrate MEMS/NEMS Devices
Published 16-03-2024“…Piezoelectric micro-electro-mechanical systems have significant market potential owing to their superior capabilities of transduction to those of standard…”
Get full text
Journal Article