Results 21 to 30 of about 682,894 (319)

Increasing Light Load Efficiency in Phase-Shifted, Variable Frequency Multiport Series Resonant Converters

open access: yesIEEE Access, 2023
Multiport power conversion topologies provide the capability of multiple independent converters with a single transformer having multiple windings (i.e., ports) potentially increasing power densities and enabling flexible (and bidirectional) power ...
Thomas Langbauer   +5 more
doaj   +1 more source

Sustainable Multifunctional Biface Sensor Tag

open access: yesAdvanced Sensor Research, 2023
In this article, a sustainable, multifunctional, low‐cost, wireless sensor tag is presented. The sensor tag combines three different environmental sensors in one single platform for the dedicated purpose of wireless structural health monitoring of a ...
Lukas Rauter   +11 more
doaj   +1 more source

Additive Manufacturing for Nano-Feature Applications: Electrohydrodynamic Printing as a Next-Generation Enabling Technology

open access: yesIEEE Open Journal of Nanotechnology, 2022
Regardless of the technology, additive or subtractive, the miniaturization trend is constantly pushing for smaller resolutions. The rise of global challenges in material availability, fabrication in three dimensions (3D), design flexibility and rapid ...
Goran Miskovic, Robin Kaufhold
doaj   +1 more source

Photoluminescence of Silicon Nanocrystals in Silicon Oxide [PDF]

open access: yesJournal of Nanomaterials, 2007
Recent results on the photoluminescence properties of silicon nanocrystals embedded in silicon oxide are reviewed and discussed. The attention is focused on Si nanocrystals produced by high-temperature annealing of silicon rich oxide layers deposited by plasma-enhanced chemical vapor deposition.
Ferraioli, Luigi   +6 more
openaire   +4 more sources

Correlation of Scale Factor Non-Linearity and Vibration Rectification Error in Vibrating Beam Accelerometers

open access: yesIEEE Access
Vibration Rectification Error (VRE) is a critical parameter for high-performance accelerometers operating in dynamic environments. This paper presents a focused experimental study to rigorously investigate the relationship between VRE and Scale Factor ...
Theo Miani   +6 more
doaj   +1 more source

Towards Robust Thermal MEMS: Demonstration of a Novel Approach for Solid Thermal Isolation by Substrate-Level Integrated Porous Microstructures

open access: yesMicromachines, 2022
Most current thermal MEMS use fragile structures such as thin-film membranes or microcantilevers for thermal isolation. To increase the robustness of these devices, solid thermal insulators that are compatible with MEMS cleanroom processing are needed ...
Ole Behrmann   +2 more
doaj   +1 more source

A silicon single-electron pump with tunable electrostatic confinement

open access: yes, 2015
Nanoscale single-electron pumps could serve as the realization of a new quantum standard of electrical current. Here, a silicon quantum dot with tunable tunnel barriers is used as a source of quantized current.
Tanttu, T.   +9 more
core   +1 more source

Evaluation of the Sheet Resistance of Inkjet-Printed Ag-Layers on Flexible, Uncoated Paper Substrates Using Van-der-Pauw’s Method

open access: yesSensors, 2020
With the growing significance of printed sensors on the electronics market, new demands on quality and reproducibility have arisen. While most printing processes on standard substrates (e.g., Polyethylene terephthalate (PET)) are well-defined, the ...
Johanna Zikulnig   +3 more
doaj   +1 more source

Raman Spectroscopy and Spectral Signatures of AlScN/Al2O3

open access: yesMicromachines, 2022
III-V solid solutions are sensitive to growth conditions due to their stochastic nature. The highly crystalline thin films require a profound understanding of the material properties and reliable means of their determination.
Dmytro Solonenko   +4 more
doaj   +1 more source

3D characterisation of tool wear whilst diamond turning silicon [PDF]

open access: yes, 2006
Nanometrically smooth infrared silicon optics can be manufactured by the diamond turning process. Due to its relatively low density, silicon is an ideal optical material for weight sensitive infrared (IR) applications. However, rapid diamond tool edge
Luo, X.   +5 more
core   +1 more source

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