the effect of length variation on the magnetic properties of nife alloy nanowires electrodeposited into the alumina template was investigated. the diameter (45±2.5 nm) and length (~ 1.9, 7.12, 8.3, 9.5 and 13.3 µm) of the nanowires were estimated from scanning electron microscopy images. energy dispersive spectroscopy results showed ni3fe7 composition of the alloy nanowires.  the magnetic prope...

Over the past two decades, quick development of wireless sensor networks has required nodes being self-powered. Pushed by this goal, in work, we demonstrated a ZnO nanowire-array-based piezoelectric nanogenerator (NG) prototype, which can convert mechanical energy into electricity. High-quality single crystalline nanowires, having an aspect ratio about 15, grown on gold-coated silicon substrate...

There is evidence to support the claim that speedbreakers can cause accidents and injury. When a vehicle approaches a speed-breaker at a speed greater than some threshold velocity, the risk of accident or injury is substantial. Speed-breakers are inconspicuous in low visibility conditions, like at night, or when there is fog, rain or snow. This problem is particularly acute in developing countr...

We introduce herein the advanced application of low-pressure plasma procedures for development piezo and triboelectric mode I hybrid nanogenerators. Thus, assisted deposition functionalization methods are presented as key enabling technologies nanoscale design ZnO polycrystalline shells, formation conducting metallic cores in [email protected] nanowires, solventless surface modification polymer...

We have shown that thermal ink jet print heads can be used to place GaN nanowires on patterned substrates. The semiconductor nanowires had diameters ranging from 70 to 300 nm and lengths from 5 μm to 20 μm. They were dispersed in alcohol-water solutions for loading into ink reservoirs. To avoid clogging, the thermal ink jet heads were chosen with drop weights from 72 to 165 ng. The thermal ink ...

Zinc oxide (ZnO) nanogenerators have attracted increasing interest in the scientific community for use energy harvesting and mechanical sensing applications. Understanding interplay between piezoelectricity semiconductor physics is fundamental to enhancing these devices’ performances, although direct characterization at nanoscale challenging. With this work, we present a new strategy improve pi...

Abstract The question of the length dependence electromechanical response semiconducting (SC) piezoelectric nanowires (NWs) was explored. We identified a new physical mechanism piezoresponse saturation, which originates from combination influence interface traps and polarization in depleted NW. Our results are better qualitative agreement with experimental observations than presently existing t...