Gallium nitride (GaN) and zinc oxide (ZnO) are among the most technologically relevant semiconducting materials. Gallium nitride is ubiquitous today in optoelectronic elements such as blue lasers (hence the blue-ray disc) ...
Nanophysics
Jan 26, 2011
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0
Battery replacement may soon be a thing of the past. Researchers from A*STAR's Institute of Microelectronics (IME) are tapping into low frequency vibrations, the most abundant and ubiquitous energy source in the surroundings, ...
Engineering
Feb 6, 2014
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0
Wearable and implantable devices are currently used for a variety of functions, including health tracking and monitoring. However, supplying energy usually requires cumbersome batteries and downtime due to recharging. Now, ...
Cell & Microbiology
Sep 10, 2020
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59
(Phys.org) —Researchers have long thought that biological molecules and synthetic nanocrystals were similar only in size. Now, University of Illinois at Urbana-Champaign chemists have found that they can add reactivity ...
Nanomaterials
Dec 17, 2013
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0
A bird flapping its wings or a fish's deep dive may be pictures of nature in action, but in their elegant simplicity Michael Shafer sees the complex challenges of merging technology with a biological system.
Engineering
Feb 13, 2014
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0
(Phys.org) —Using the interaction between light and charge fluctuations in metal nanostuctures called plasmons, a University of Arkansas physicist and his collaborators have demonstrated the capability of measuring temperature ...
Nanophysics
Jan 17, 2014
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0
Researchers at the ARC Centre of Excellence in Exciton Science have made an important discovery with significant implications for the future of solar cell material design.
Materials Science
Jan 22, 2018
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177
Energy harvesting is a process that captures energy that would otherwise be lost as heat, light, sound, vibration or motion. It can use this captured energy to improve the efficiency of existing systems or even to power new ...
Engineering
Jul 5, 2011
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0
Scientists at the University of Liverpool have controlled the structure of a material to simultaneously generate both magnetisation and electrical polarisation, an advance which has potential applications in information storage ...
Condensed Matter
Jan 26, 2015
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50
When a metal is heated to a sufficiently high temperature, electrons can be ejected out from the surface in a process known as the thermionic emission, a process that is similar to the evaporation of water molecules from ...
Nanomaterials
Oct 7, 2019
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