A wearable energy-harvesting device could generate energy from the swing of an arm while walking or jogging, according to a team of researchers from Penn State's Materials Research Institute and the University of Utah. The ...
General Physics
Aug 31, 2018
6
702
In today's "internet of things," devices connect primarily over short ranges at high speeds, an environment in which surface acoustic wave (SAW) devices have shown promise for years, resulting in the shrinking size of your ...
General Physics
Dec 20, 2017
0
81
Piezoelectric materials are used for applications ranging from the spark igniter in barbeque grills to the transducers needed by medical ultrasound imaging. Thin-film piezoelectrics, with dimensions on the scale of micrometers ...
Condensed Matter
Oct 25, 2017
1
7
The production of nano-scale devices has drastically increased with the rise in technological applications, yet a major drawback to the functionality of nano-sized systems is the need for an equally small energy resource.
Nanophysics
Sep 28, 2017
0
142
A team of researchers at the University of Pennsylvania is gaining new insight into the smart materials used in ultrasound technology. While forming the most thorough model to date of how these materials work, they have found ...
Materials Science
Jun 15, 2017
0
33
With the tap of your finger, your tablet comes to life – thanks to tiny force sensors and accelerometers that contain piezoelectric materials.
Nanophysics
May 8, 2017
0
229
All ferroelectric materials possess a property known as piezoelectricity in which an applied mechanical force can generate an electrical current and an applied electrical field can elicit a mechanical response. Ferroelectric ...
Condensed Matter
Jan 10, 2017
2
17
The lighter wand for your gas BBQ, a submarine's sonar device and the ultrasound machine at your doctor's office all rely on piezoelectric materials, which turn mechanical stress into electrical energy, and vice versa. In ...
Condensed Matter
Sep 16, 2016
0
319
Researchers at the University of Twente's MESA+ research institute, together with researchers from several other knowledge institutions, have developed a 'flexo-electric' nanomaterial. The material has built-in mechanical ...
Nanophysics
Nov 17, 2015
0
89
Researchers from Columbia Engineering and the Georgia Institute of Technology report today that they have made the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, ...
Nanophysics
Oct 15, 2014
1
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