Results 81 to 90 of about 1,443,984 (310)

Convergence of biocompatible printed electronics and sensing in wound dressings: a leap forward in sustainable health monitoring

npj Flexible Electronics
The healthcare system is moving away from traditional hospital-centric models towards a more personalised, patient-centric approach driven by the concept called ‘lab on wearables’.
Manoj Jose, Mani Teja Vijjapu, Lukas Neumaier, Lukas Rauter, Anna Heba Chakkunny, Daniel Corzo, Ronald Thoelen, Antoni Picard, Jürgen Kosel, Wim Deferme   +9 more
doaj   +1 more source

Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V

Advanced Engineering Materials, EarlyView.
This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann, Berend Denkena, Hilke Petersen, Florian Schaper   +3 more
wiley   +1 more source

Modeling of nanocrystalline common-mode chokes with custom shape by simulation-based extraction of electromagnetic material properties

Power Electronic Devices and Components
Knowing the complex relative permeability and permittivity of a ferrite or nanocrystalline core material is crucial to predict the insertion impedance of common-mode chokes.
Herbert Hackl, Werner Konrad, Martin Stoiber, Christian Riener, Bernhard Auinger, Martin Heinisch   +5 more
doaj   +1 more source

Mid-Infrared, Ultra-Broadband, Low-Loss, Compact Arbitrary Power Splitter Based on Adiabatic Mode Evolution

IEEE Photonics Journal, 2019
We designed and demonstrated TE-mode arbitrary power splitters based on adiabatic mode evolution. The power splitters are designed with a footprint of smaller than 12 × 2.9 μm2, fabricated on a 400-nm silicon-on-insulator platform ...
Jia Xu Brian Sia, Wanjun Wang, Xin Guo, Jin Zhou, Zecen Zhang, Mohamed Said Rouifed, Xiang Li, Zhong Liang Qiao, Chong Yang Liu, Callum Littlejohns, Graham T. Reed, Hong Wang   +11 more
doaj   +1 more source

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

Advanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz, Maik Szafarska, René Gustus, Kai Möhwald, Hans Jürgen Maier   +4 more
wiley   +1 more source

Characterization and analysis of reverse breakdown voltage onset of solar cells with different cell architectures

EPJ Photovoltaics
In 2016 Passivated Emitter and Rear Cell (PERC) solar cells started to dominated the PV industry as cell technology. Since 2023, the prices of Tunnel Oxide Passivated Contact (TOPCon) and Heterojunction (HJT) solar cells have become lower, leading to a ...
Jaeckel Bengt, Froebel Jens, Pander Matthias, Maixner Andreas, Hanifi Hamed   +4 more
doaj   +1 more source

Radioactive silicon as a marker in thin-film silicide formation [PDF]

, 1977
A new technique using radioactive 31Si (half-life =2.62 h), formed in a nuclear reactor, as a marker for studying silicide formation is described. A few hundred angstroms of radioactive silicon is first deposited onto the silicon substrate, followed ...
Lau, S. S., Nicolet, M.-A., Pretorius, R., Ramiller, C. L.   +3 more
core   +1 more source

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Performance Assessment of Cell-Separation Processes for Rear-Contact Solar Cells: Comparison of Indoor and Outdoor Measurements

SiliconPV Conference Proceedings
Half-cell and third-cell modules are the current module technology standard due to their enhanced electrical performance. Also, special module layouts for building or vehicle integrated photovoltaics rely on non-standard cell formats obtained by ...
Manuel Meusel, Amir A. Abdallah, Marko Turek, Christian Hagendorf   +3 more
doaj   +1 more source

Fluorescent Silicon Clusters and Nanoparticles

, 2017
The fluorescence of silicon clusters is reviewed. Atomic clusters of silicon have been at the focus of research for several decades because of the relevance of size effects for material properties, the importance of silicon in electronics and the ...
Dasog, Dohnalová K., Erogbogbo F., Feng, Fox M., Hayes W., He Y., Hoffmann M. A., Hofmeister H., Lyon J. T., Pavesi L., von Haeften K., Yazdanfar H.   +12 more
core   +1 more source