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View article: In Situ X‐Ray Absorption Studies on Local Structure of Annealed Metallic Glasses FeGaB and FeCoSiB
In Situ X‐Ray Absorption Studies on Local Structure of Annealed Metallic Glasses FeGaB and FeCoSiB Open
The microscopic structure of Fe‐based metallic glasses (FeGaB) and (FeCoSiB) is investigated during in situ thermal annealing using extended X‐ray absorption fine structure spectroscopy (EXAFS) above the Fe–K and Co–K absorption edges. FeG…
On the Origin of Signal and Bandwidth of Converse Magnetoelectric Magnetic Field Sensors Open
Converse magnetoelectric sensors enable the detection of low‐frequency and low‐amplitude magnetic fields over a bandwidth of several kilohertz by combining the electrical excitation of a magnetoelectric resonator via a piezoelectric layer …
Low-noise inverse magnetoelectric magnetic field sensor Open
In the development of any type of magnetic field sensor based on magnetic films, special consideration must be given to the magnetic layer component. The presented work investigates the use of scalable flux closing magnetostrictive multila…
Low Noise Inverse Magnetoelectric Magnetic Field Sensor Open
In the development of any type of magnetic field sensor based on magnetic films, special consideration must be given to the magnetic layer component. The presented work investigates the use of flux closing magnetostrictive multilayers for …
Magnetic Bucket Brigade Transport Networks for Cell Transport Open
Controlled transport of biological cells in biomedical applications such as sorting, cell sequencing, and assembly of multicellular structures is a technological challenge. Research areas such as drug delivery or tissue engineering can ben…
Austenite reversion suppression with deep cryogenic treatment: A novel pathway towards 3rd generation advanced high-strength steels Open
This study investigates the impact of deep cryogenic treatment (DCT) on microstructure and properties of a martensitic stainless steel AISI 431. The reasonably simplistic microstructure tailoring with DCT delivers a novel pathway towards a…
AlScN-Based SAW Magnetic Field Sensor for Isolated Closed-Loop Hysteretic Current Control of Switched-Mode Power Converters Open
This letter uses a surface acoustic wave magnetic field sensor for measurement and closed-loop current control of the inductor current in a GaN-based dc-dc power converter. The sensor is based on aluminium scandium nitride thin films with …
MEMS Magnetic Field Source for Frequency Conversion Approaches for ME Sensors Open
Some magnetoelectric sensors require predefined external magnetic fields to satisfy optimal operation depending on their resonance frequency. While coils commonly generate this external magnetic field, a microelectromechanical systems (MEM…
View article: Sputter Deposited Magnetostrictive Layers for SAW Magnetic Field Sensors
Sputter Deposited Magnetostrictive Layers for SAW Magnetic Field Sensors Open
For the best possible limit of detection of any thin film-based magnetic field sensor, the functional magnetic film properties are an essential parameter. For sensors based on magnetostrictive layers, the chemical composition, morphology a…
View article: Thin-Film-Based SAW Magnetic Field Sensors
Thin-Film-Based SAW Magnetic Field Sensors Open
In this work, the first surface acoustic-wave-based magnetic field sensor using thin-film AlScN as piezoelectric material deposited on a silicon substrate is presented. The fabrication is based on standard semiconductor technology. The aco…
Integration of AlN piezoelectric thin films on ultralow fatigue TiNiCu shape memory alloys Open
A stress sensor based on a silicon field effect transistor comprising a piezoelectric AlN gate dielectric Open
Piezoelectric materials have been introduced to transistor gate stacks to improve MOSFET behaviour and develop sensor applications. In this work, we present an approach to a partly industrial field effect transistor, with a gate stack base…