Results 31 to 40 of about 176,511 (248)
Surface acoustic waves in acoustic superlattice lithium niobate coated with a waveguide layer
AIP Advances, 2017 The effects of the waveguide layer on the band structure of Rayleigh waves are studied in this work based on a one-dimensional acoustic superlattice lithium niobate substrate coated with a waveguide layer.
G. Y. Yang +4 more
doaj +1 more source
Crystals, 2022 The monoclinic YCOB crystal still maintains good piezoelectric properties at 800 °C; thus, it has a good application prospect in high-temperature piezoelectric acoustic wave sensors.
Dudu Chen +7 more
doaj +1 more source
MathematicsThe nonlinear deformation and vibrations of elastic plates represent a fundamental problem in structural vibration analysis, frequently encountered in engineering applications and classical mathematical studies.
Jie Han +6 more
doaj +1 more source
A theoretical analysis of a piezoelectric ultrasound device with an active matching layer [PDF]
, 2007 This paper investigates the use of magnetically active materials in the matching layer of a piezoelectric transducer. This then allows the performance of the device to be dynamically altered by applying an external field.
Mulholland, A. +8 more
core +3 more sources
The influence of Bi content on dielectric properties of Bi4–xTi3O12–1.5x ceramics [PDF]
Journal of Advanced Dielectrics, 2017 A kind of lead-free dielectric materials, such as the bismuth layered perovskite-type structure of Bi4–xTi3O12–1.5x (x=0.04,0.02,0,–0.02,–0.04), was prepared by the conventional solid-state method at 800∘C and sintered at 1100∘C.
Hui Gong +10 more
doaj +1 more source
A Thick-film Piezoelectric Multimorph Cantilever [PDF]
, 2009 Free-standing thick-film cantilevers have the potential to be used as micro-generators as well as self-generating resonant sensors. Earlier versions of free-standing devices were implemented by fabricating in the form of multilayer structures. Instead of
Kok, Swee Leong +2 more
core
Hydrogel platforms for 3D cardiac tissue engineering and fibrotic disease modelling
FEBS Open Bio, EarlyView.Hydrogel‐based cardiac tissue models are advancing our understanding of heart health and disease. By incorporating electrical conductivity, aligned structures, and tunable mechanical properties, these platforms better replicate the complex environment of native heart tissue.
Harrison Porritt +2 more
wiley +1 more source
Thick-film piezoelectric bimorph actuators for MEMS devices [PDF]
, 2011 Active ow control can be used to improve the aerodynamic e ciency of passenger aircraft, road tra c and wind turbines amongst other applications. This work describes the fabrication of an ultra-compact microvalve that has been designed as part of an
Owens, Sam
core +4 more sources
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Journal of Materials Research and Technology, 2021 Two-dimensional (2D) lead halide perovskites have garnered increasing interest due to their high photoluminescence quantum yields and tunable luminescence characters, making them excellent materials in light-emitting, especially for white-light emission.
Huanfeng He +8 more
doaj +1 more source