Vibrational modes in MEMS resonators
Advances in microfabrication technology have enabled micromechanical systems (MEMS)
to become a core component in a manifold of applications. For many of these applications …
to become a core component in a manifold of applications. For many of these applications …
[HTML][HTML] Microstructure and piezoelectric response of YxAl1− xN thin films
PM Mayrhofer, H Riedl, H Euchner, M Stöger-Pollach… - Acta Materialia, 2015 - Elsevier
Transition metal doping of aluminium nitride (AlN) type thin films was recently employed to
increase the piezoelectric constants for application in micro electromechanical systems. Y x …
increase the piezoelectric constants for application in micro electromechanical systems. Y x …
[HTML][HTML] Phononic crystal sensors: A new class of resonant sensors—chances and challenges for the determination of liquid properties
R Lucklum, N Mukhin, B Djafari Rouhani… - Frontiers in Mechanical …, 2021 - frontiersin.org
Resonant mechanical sensors are often considered as mass balance, which responds to an
analyte adsorbed on or absorbed in a thin sensitive (and selective) layer deposited on the …
analyte adsorbed on or absorbed in a thin sensitive (and selective) layer deposited on the …
Large bias-induced piezoelectric response in the ferroelectric polymer P (VDF-TrFE) for MEMS resonators
Piezoelectricity in ferroelectrics arises from electrostriction biased by their spontaneous
polarisation, which can be enhanced through a bias-induced polarisation. Doing so, the …
polarisation, which can be enhanced through a bias-induced polarisation. Doing so, the …
Precision density and viscosity measurement using two cantilevers with different widths
We introduce a novel method for fast measurement of liquid viscosity and density using two
cantilevers with different geometries. Our method can be used for real-time monitoring in lab …
cantilevers with different geometries. Our method can be used for real-time monitoring in lab …
AlN film based piezoelectric large-aperture MEMS scanning micromirror integrated with angle sensors
H Lei, Q Wen, F Yu, D Li, Z Shang… - Journal of …, 2018 - iopscience.iop.org
This paper reports on the successful implementation of an aluminum nitride (AlN)
piezoelectric film for the fabrication of a large-aperture MEMS scanning micromirror. To …
piezoelectric film for the fabrication of a large-aperture MEMS scanning micromirror. To …
[HTML][HTML] Piezoelectric MEMS resonators for cigarette particle detection
In this work, we demonstrate the potential of a piezoelectric resonator for developing a low-
cost sensor system to detect microscopic particles in real-time, which can be present in a …
cost sensor system to detect microscopic particles in real-time, which can be present in a …
[HTML][HTML] Novel resonant MEMS sensor for the detection of particles with dielectric properties in aged lubricating oils
F Patocka, C Schneidhofer, N Dörr, M Schneider… - Sensors and Actuators A …, 2020 - Elsevier
We present a novel resonant MEMS sensor for the detection of particles with dielectric
properties in liquid environments. The sensor consists of a piezoelectrically excited silicon …
properties in liquid environments. The sensor consists of a piezoelectrically excited silicon …
Temperature dependent performance of piezoelectric MEMS resonators for viscosity and density determination of liquids
G Pfusterschmied, M Kucera, E Wistrela… - Journal of …, 2015 - iopscience.iop.org
It is the objective of this paper to report on the performance of piezoelectric MEMS
resonators for viscosity and density measurements at elevated temperatures. A custom-built …
resonators for viscosity and density measurements at elevated temperatures. A custom-built …
Piezoelectrically excited MEMS sensor with integrated planar coil for the detection of ferrous particles in liquids
F Patocka, M Schlögl, C Schneidhofer, N Dörr… - Sensors and Actuators B …, 2019 - Elsevier
We present a novel MEMS sensor which allows the detection of ferrous particles in liquid
environments. The device is based on a resonantly excited silicon microcantilever with an …
environments. The device is based on a resonantly excited silicon microcantilever with an …