Results 171 to 180 of about 130,653 (318)

Stray magnetic field data of a synchronous generator with a faulty rotor winding – data report

open access: yesFrontiers in Energy Research
Tarcisio Pollnow Kruger   +5 more
doaj   +1 more source

Flexible Implantable Silicon Carbide Multi‐Electrode Array (MEA) for Cell Multichannel Recording and Cell Ablation

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible silicon carbide (SiC) microelectrode arrays enable high‐fidelity, multichannel cell extracellular recording and precise localized ablation. SiC has been extensively evaluated to persist long‐term in chronic physiological conditions while remaining robust, with excellent electrical and electrochemical stability.
Minh Anh Huynh   +4 more
wiley   +1 more source

Design and performance evaluation of fast electromagnetic field probes

open access: yes, 2013
Modern signals in, for instance, advanced wireless communication systems or radars, make use of very complex modulation. This type of fast modulation is also present in signals often measured in reverberation chambers with fast mode stirring.
Leferink, FBJ Frank   +5 more
core  

Biodegradable Wireless Soil Urea Sensor Using Metamaterial Perfect Absorber for Distributed Deployment in Precision Agriculture

open access: yesAdvanced Materials Technologies, EarlyView.
In this study, we propose a biodegradable wireless soil urea sensor for precision agriculture. The sensor's electromagnetic response varies depending on the urea concentration, allowing the measurement of relative soil urea concentrations by analyzing the time‐transient electromagnetic response.
Yu Tanaami   +5 more
wiley   +1 more source

High‐Performance Piezoelectric Nanogenerators Based on Wurtzite BeO Nanowire Arrays

open access: yesAdvanced Materials Technologies, EarlyView.
This study demonstrates high‐performance piezoelectric nanogenerators based on 1D BeO nanowire arrays. The BeO nanowires exhibit a high piezoelectric coefficient (∼15.8 pm V−1) and deliver an output voltage of ∼26.1 V and power density of ∼0.32 µW cm−2.
Yoonseo Jang   +7 more
wiley   +1 more source

The design of switched reluctance motors for efficient energy conversion [PDF]

open access: yes
A new switched reluctance motor configuration is proposed, in which the windings are arranged to encourage short magnetic flux paths within the motor.
Michaelides, Alexandros M.
core  

Thickness‐Dependent Infrared Emissivity of Ultrathin Freestanding MoSiN Nanocomposite Membranes

open access: yesAdvanced Optical Materials, EarlyView.
ABSTRACT Metals and dielectrics show opposite trends in thickness‐dependent infrared emissivity: metallic films exhibit a rise in emissivity below a critical thickness, while dielectric films show a corresponding decline. For applications demanding both high emissivity and mechanical strength in membranes with nanoscale thickness, combining these ...
Reethu Sebastian   +3 more
wiley   +1 more source

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