News tagged with zinc oxide nanowires

Resistive switches based on piezoelectric nanowires allow electrical signals to be produced from mechanical actions

(PhysOrg.com) -- Taking advantage of the unique properties of zinc oxide nanowires, researchers have demonstrated a new type of piezoelectric resistive switching device in which the write-read access of memory ...

Nanotechnology / Nanophysics

created Jul 26, 2011 | popularity 5 / 5 (5) | comments 3 | with audio podcast

New semiconductor nanowire laser technology could kill viruses, improve DVDs

A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...

Nanotechnology / Nanophysics

created Jul 05, 2011 | popularity 5 / 5 (8) | comments 6 | with audio podcast

Harvesting energy

Imagine a cell phone battery that charges with every step you take or a spacesuit that uses astronauts' expended energy to run the suit's electronics. A team of college students conducting NASA research on ...

Nanotechnology / Nanophysics

created Apr 01, 2011 | popularity 5 / 5 (1) | comments 3

T-Shirt replaces battery: Fiber-based electrochemical micro-supercapacitor

Will we soon be plugging our mobile phone into our t-shirt instead of putting in a battery? This vision is not totally out of reach: the first steps in this direction have already been taken.

Nanotechnology / Nanomaterials

created Jan 18, 2011 | popularity 4 / 5 (4) | comments 5 | with audio podcast

Nanogenerators grow strong enough to power small conventional electronics (w/ Video)

Blinking numbers on a liquid-crystal display (LCD) often indicate that a device's clock needs resetting. But in the laboratory of Zhong Lin Wang at Georgia Tech, the blinking number on a small LCD signals ...

Nanotechnology / Nanophysics

created Nov 08, 2010 | popularity 5 / 5 (18) | comments 5 | with audio podcast

Growing nanowires horizontally yields new benefit: 'nano-LEDs'

While refining their novel method for making nanoscale wires, chemists at the National Institute of Standards and Technology discovered an unexpected bonus -- a new way to create nanowires that produce light ...

Nanotechnology / Nanophysics

created Sep 29, 2010 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Piezotronics: Researchers create new class of piezoelectric logic devices using zinc oxide nanowires

Researchers at the Georgia Institute of Technology have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain ...

Nanotechnology / Nanophysics

created Sep 02, 2010 | popularity 5 / 5 (7) | comments 5 | with audio podcast

Scientists grow 'sea urchin'-shaped structures

Swiss researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide ...

Nanotechnology / Nanomaterials

created Jul 29, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Crystal defect shown to be key to making hollow nanotubes

(PhysOrg.com) -- Scientists have no problem making a menagerie of nanometer-sized objects -- wires, tubes, belts, and even tree-like structures. What they sometimes have been unable to do is explain precisely ...

Nanotechnology / Nanomaterials

created Apr 22, 2010 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Researchers use improved nanogenerators to power sensors based on zinc oxide nanowires

By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that ...

Nanotechnology / Nanophysics

created Mar 28, 2010 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

New material could efficiently power tiny generators

(PhysOrg.com) -- To power a very small device like a pacemaker or a transistor, you need an even smaller generator. The components that operate the generator are smaller yet, and the efficiency of those foundational components ...

Nanotechnology / Nanophysics

created Oct 22, 2009 | popularity 4.2 / 5 (5) | comments 0

New nanogenerator may charge iPods and cell phones with a wave of the hand

Imagine if all you had to do to charge your iPod or your BlackBerry was to wave your hand, or stretch your arm, or take a walk? You could say goodbye to batteries and never have to plug those devices into ...

Nanotechnology / Nanophysics

created Mar 26, 2009 | popularity 4.3 / 5 (18) | comments 3