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Search results for piezoelectric

General Âé¶¹ÒùÔºics Jul 26, 2018

Soundwave-surfing droplets leave no traces

Engineers at Duke University have developed a way to manipulate, split and mix droplets of biological fluids by having them surf on acoustic waves in oil. The technology could form the basis of a small-scale, programmable, ...

Condensed Matter Jul 20, 2018

Scientists answer long-held questions about relaxor ferroelectrics

The properties of a solid depend on the arrangement of its atoms, which form a periodic crystal structure. At the nanoscale, arrangements that break this periodic structure can drastically alter the behavior of the material, ...

Quantum Âé¶¹ÒùÔºics Jul 11, 2018

Researchers couple artificial atom to acoustic resonator

Researchers from Russia and Britain have demonstrated an artificial quantum system in which a quantum bit interacts with an acoustic resonator in the quantum regime. This allows quantum optics principles to be applied in ...

Engineering Jul 3, 2018

Smarter, safer bridges with Sandia sensors

Along with flying cars and instantaneous teleportation, smart bridges, roads and subway lines that can send out warnings when they're damaged are staples of futuristic transportation systems in science fiction.

Materials Science Jun 20, 2018

An unlikely marriage among oxides

The term alloy usually refers to a mixture of several metals. However, other materials can also be alloyed. In the semiconductor industry, for instance, oxide and nitride alloys have long been used successfully to tune the ...

Energy & Green Tech May 21, 2018

Flexible, highly efficient multimodal energy harvesting

A 10-fold increase in the ability to harvest mechanical and thermal energy over standard piezoelectric composites may be possible using a piezoelectric ceramic foam supported by a flexible polymer support, according to Penn ...

General Âé¶¹ÒùÔºics May 17, 2018

Supersonic waves may help electronics beat the heat

Researchers at the Department of Energy's Oak Ridge National Laboratory made the first observations of waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice—a discovery ...

Condensed Matter May 17, 2018

Main regularities of thermal expansion and thermal stability of layered ferroelectrics established

The scientists of the Lobachevsky University and the Institute of Low Temperatures and Structural Research in Wroclaw (Poland) have conducted unique studies of oscillation properties using optical spectroscopy.

Quantum Âé¶¹ÒùÔºics May 9, 2018

The BIG Bell Test—Global physics experiment challenges Einstein with the help of 100,000 volunteers

On November 30th, 2016, more than 100,000 people around the world contributed to a suite of first-of-a-kind quantum physics experiments known as The BIG Bell Test. Using smartphones and other internet-connected devices, participants ...

Materials Science May 7, 2018

New ceramic material could cut down cost of piezoelectric devices

Piezoelectrics are materials that change their shape when an electric field is applied, with wide-ranging applications including printing ink onto paper and precisely moving the tip of a scanning tunnelling microscope. Currently, ...

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