Understanding the dynamic response in ferroelectret nanogenerators to enable self-powered tactile systems and human-controlled micro-robots

Y Cao, J Figueroa, W Li, Z Chen, ZL Wang… - Nano Energy, 2019 - Elsevier
Self-powered pressure sensors are critical devices in IoT sensing networks. Continuous
efforts have been made in the community to improve the device performances by optimizing …

Microfluidic thermal flow sensor based on phase-change material with ultra-high thermal sensitivity

Y Cao, T Wang, N Sepúlveda - Journal of Materials Chemistry C, 2023 - pubs.rsc.org
A microfluidic thermal mass flow sensor based on planar micro-machining technology and a
phase-change material is designed, fabricated, and characterized. The sensor configuration …

[HTML][HTML] Thermal-stimulated phase transition of vanadium dioxide enabling versatile transduction and smart applications

Y Zhou, S Su, Z Zhu, D Hou, H Zhang… - Journal of Applied …, 2024 - pubs.aip.org
Vanadium dioxide (⁠ VO 2⁠) as a typically strongly correlated material has an attractive
near-room-temperature metal–insulator transition (MIT). This transition shifted between …

Automatic mode-matching method for MEMS disk resonator gyroscopes based on virtual coriolis force

Z Ruan, X Ding, Z Qin, J Jia, H Li - Micromachines, 2020 - mdpi.com
An automatic mode-matching method for MEMS (Micro-electromechanical Systems) disk
resonator gyroscopes (DRGs) based on virtual Coriolis force is presented in this paper. For …

Interface stress for bidirectional frequency tuning of Prebuckled vanadium dioxide MEMS resonators

Y Cao, N Sepúlveda - Advanced Materials Interfaces, 2019 - Wiley Online Library
Interface stress between structural materials and thin film coatings has a significant influence
on the resonant frequency of microelectromechanical system (MEMS) resonators. In this …

[HTML][HTML] A thermally activated VO2-based attenuator with SRR structure

Z Chen, Y Cao, Y He, W Tian - Materials & Design, 2022 - Elsevier
To meet the requirement of blocking unwanted or interfering signals in modern
communication systems, wideband phased-array antenna systems, and 5G mobile …

A Simplified Approach for Obtaining Optical Properties of VO2 Thin Films, and Demonstration of Infrared Shape‐Shifting Devices

J Figueroa, Y Cao, H Dsouza… - Advanced Materials …, 2019 - Wiley Online Library
Micrometer‐sized VO2‐based devices with integrated resistive heaters of different
configurations are fabricated. Quality of the VO2 films is confirmed by measuring the …

Piezoelectric lateral-extensional mode resonators with reconfigurable electrode and resonance mode-switching behavior enabled by a VO₂ thin-film

TH Liu, X Han, J Pastrana… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents the first two-port lateral-extensional mode zinc oxide (ZnO) piezoelectric
resonator with a reconfigurable bottom electrode that is enabled by embedding a vanadium …

Photoinduced Multistable Resonance Frequency Switching of Phase Change Microstring at Room Temperature

SA Bukhari, R McGee, A Mahdavi… - Advanced Electronic …, 2022 - Wiley Online Library
Abstract Vanadium dioxide (VO2), a promising phase change material, exhibits insulator to
metal transition at 68° C, manifests a drastic change in multiple physical properties, such as …

Fabrication of Phase Change Microstring Resonators via Top Down Lithographic Techniques: Incorporation of VO2/TiO2 Into Conventional Processes

R McGee, A Goswami, SAM Bukhari… - Journal of …, 2019 - ieeexplore.ieee.org
The electronic, optical, and mechanical properties of vanadium dioxide (VO 2) can be
significantly altered by external stimuli such as heat, electric field, and so on, due to its metal …