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Piezoelectric Current Events, Piezoelectric News Articles.
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Rutgers scientists perform 'materials magic' to simplify crystal-making for electronics
Materials scientists at Rutgers have devised a novel and easy technique to make thin, crystal-like materials for electronic devices. The technique could supplement today's tedious and exacting method of growing crystals with an additional benefit of producing materials in sizes and shapes not now possible. The scientists report on a method where they coax thousands of microscopic grains of individual crystals to assemble into tightly packed layers. (2005-05-30)

Sound defence
An ear-blasting acoustic gun could be used to hinder terrorists who try to hijack passenger aircraft. The device, being considered by the US Department of Defence, would shoot out a pulse of sound which would cause intense pain in the ear drums and could even disarm hijackers. (2001-11-14)

Acoustic tweezers can position tiny objects
Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough to place on a chip, according to Penn State engineers. (2009-08-28)

Using physics to print living tissue
3D printers can be used to make a variety of useful objects by building up a shape, layer by layer. Scientists have used this same technique to 'bioprint' living tissues. Bioprinting is a relatively new technology that has advanced mostly by trial and error. Scientists are now using the laws of physics and predictive computer modeling to improve these techniques and optimize the bioprinting process. These new advances are reviewed in Applied Physics Reviews. (2019-06-04)

NIST microanalysis technique makes the most of small nanoparticle samples
Researchers from the National Institute of Standards and Technology and the Food and Drug Administration have demonstrated that they can make sensitive chemical analyses of minute samples of nanoparticles by, essentially, roasting them on top of a quartz crystal. The National Institute of Standards and Technology-developed technique, 'microscale thermogravimetric analysis,' holds promise for studying nanomaterials in biology and the environment, where sample sizes often are quite small and larger-scale analysis won't work. (2014-02-24)

Measuring ultrasound for better treatment of muscle injuries
A new tool developed at the National Physical Laboratory, the UK's National Measurement Institute, could help improve the quality of ultrasound treatment for soft tissue injuries such as muscle strains and ligament damage. (2013-04-03)

Controllable functional ferroelectric domain walls under piezoresponse microscope
Although ferroelectric bulk materials have excellent photoelectric, piezoelectric and dielectric properties, they could hardly meet the increasing need for integrated, micro-sized and wearable devices. As a functional two-dimensional structure, possessing distinctive electric, magnetic, optic and mechanical properties, ferroelectric domain walls have attracted widespread attention in recent years, yet the lack of maneuverability holds off their potential application. Scientists from China and America study the domain wall dynamics statistically and manipulate them successfully. (2020-02-06)

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