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Search results for piezoelectric

Optics & Photonics Apr 20, 2022

Developing a low-cost, high-precision fabrication method for thin mirrors and silicon wafers

Technologies that depend on lightweight, high-precision optical systems, like space telescopes, X-ray mirrors, and display panels, have developed significantly over the past several decades, but more advanced progress has ...

Nanophysics Apr 1, 2022

Nanomaterials: Light dependent atom clusters for sensing applications

In a new report now published in Nature Asia Materials, Kenshi Harada and a team in materials science and analytical science in Japan and France formed a new environment sensing device that explored the opto-ionic-electronic ...

Cell & Microbiology Mar 24, 2022

Cells dancing harmonic duets could enable personalized cancer therapies

Mechanical engineers at Duke University are using two electronic "voices" singing a harmonic duet to control suspended particles and cells in new and valuable ways. Their prototype device can form and rotate a single-layer ...

Polymers Mar 24, 2022

Enhancing the electromechanical behavior of a flexible polymer

Piezoelectric materials convert mechanical stress into electricity, or vice versa, and can be useful in sensors, actuators and many other applications. But implementing piezoelectrics in polymers—materials composed of molecular ...

Analytical Chemistry Mar 23, 2022

NIST discovery could increase accuracy in measuring blood flow for cancer diagnosis, other applications

Researchers at the National Institute of Standards and Technology (NIST) have discovered a potential source of error when using acoustic waves to measure the properties of fluids such as blood. Their discovery raises the ...

Optics & Photonics Mar 11, 2022

New vibes in information technology: A ground-breaking platform for advanced multi-signal systems

Current computer and telecommunication technologies use electrical charges (electrons) and light (photons) to transport information. However, a breakthrough in this field could be brought about by the introduction of mechanical ...

Nanophysics Mar 1, 2022

Seeing below the surface of bimetallic nanoparticles

Nanoparticles are important in many disciplines because their high surface area compared with their volume gives them interesting properties. Continued development of analytical methods for nanoparticles is therefore crucial. ...

Analytical Chemistry Feb 24, 2022

Transparent ultrasound chip improves cell stimulation and imaging

Ultrasound scans, best known for monitoring pregnancies or imaging organs, can also be used to stimulate cells and direct cell function. A team of Penn State researchers has developed an easier, more effective way to harness ...

Materials Science Feb 18, 2022

A possible paradigm shift within piezoelectricity

Piezoelectricity is used everywhere: Watches, cars, alarms, headphones, pickups for instruments, electric lighters and gas burners. One of the most common examples is probably the quartz watch, where the piezoelectric material ...

Optics & Photonics Feb 17, 2022

Researchers combine piezoelectric thin film and metasurfaces to create lens with tunable focus

For the first time, researchers have created a metasurface lens that uses a piezoelectric thin film to change focal length when a small voltage is applied. Because it is extremely compact and lightweight, the new lens could ...

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