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 …
Piezoelectric MEMS resonators for cigarette particle detection
In this work, we demonstrate the potential of a piezoelectric resonator for develo** 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 …
An overview of sensors and sensing materials for heavy metals in aqueous environments
This paper offers a critical overview of recent advancements in aqueous sensors for heavy
metals. The paper focuses on the challenges and advantages of using …
metals. The paper focuses on the challenges and advantages of using …
Accuracy and precision of resonant piezoelectric MEMS viscosity sensors in highly viscous bituminous materials
This paper reports on the dynamic viscosity analysis of bituminous materials with
piezoelectric MEMS plate-type resonators. To enable measurements even under such …
piezoelectric MEMS plate-type resonators. To enable measurements even under such …
Impedance spectroscopy of Al/AlN/n-Si metal-insulator-semiconductor (MIS) structures
In this work, a comprehensive characterization of metal-insulator-semiconductor structures
by impedance spectroscopy is demonstrated for the case of electrically insulating, highly c …
by impedance spectroscopy is demonstrated for the case of electrically insulating, highly c …
[HTML][HTML] Mechanical and electrical characterization of resonant piezoelectric microbridges for strain sensing
This work reports on a resonantly operated piezoelectric MEMS strain sensor based on a
microbridge structure. The resonator is excited with a sputtered aluminum nitride layer and …
microbridge structure. The resonator is excited with a sputtered aluminum nitride layer and …
Piezoelectric resonators and oscillator circuit based on higher-order out-of-plane modes for density-viscosity measurements of liquids
We report the use of two AlN-based piezoelectric microresonators for the monitoring of
density and viscosity of liquids and its application to detect lubricant oil dilution with diesel …
density and viscosity of liquids and its application to detect lubricant oil dilution with diesel …
Smart density and viscosity sensing based on edge machine learning and piezoelectric MEMS for edible oil monitoring
The new industry requires embedded sensor systems that can monitor processes and
address issues quickly and intelligently. These devices must operate efficiently at any stage …
address issues quickly and intelligently. These devices must operate efficiently at any stage …
Responsivity and sensitivity of piezoelectric MEMS resonators at higher order modes in liquids
G Pfusterschmied, F Patocka, C Weinmann… - Sensors and Actuators A …, 2019 - Elsevier
Micromachined resonators completely submerged in liquids suffer from high viscous
dam** and low measurement signals compared to the operation in gaseous environment …
dam** and low measurement signals compared to the operation in gaseous environment …
Tuneable Q-factor of MEMS cantilevers with integrated piezoelectric thin films
In atomic force microscopes (AFM) a resonantly excited, micro-machined cantilever with a tip
is used for sensing surface-related properties. When targeting the integration of AFMs into …
is used for sensing surface-related properties. When targeting the integration of AFMs into …