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Search results for piezoelectric

Quantum Âé¶¹ÒùÔºics Apr 20, 2023

Heaviest Schrödinger cat achieved by putting a small crystal into a superposition of two oscillation states

Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. ...

Analytical Chemistry Apr 17, 2023

Facile synthesis of high-performance perovskite oxides for acid–base catalysis

Bifunctional acid−base catalysts are highly desirable for industrially relevant chemical processes. Owing to their ability to activate electrophiles and nucleophiles simultaneously, they allow the catalysis to proceed synergistically ...

Nanophysics Apr 6, 2023

Discovery of ferroelectricity in an elementary substance

National University of Singapore (NUS) physicists have discovered a novel form of ferroelectricity in a single-element bismuth monolayer that can produce regular and reversible dipole moments for future applications of non-volatile ...

Soft Matter Mar 29, 2023

Piezoelectric effect in liquids observed for the first time

A pair of chemists at Michigan State University has observed the piezoelectric effect in liquids for the first time. In their paper published in The Journal of Âé¶¹ÒùÔºical Chemistry Letters, Md. Iqbal Hossain and G. J. Blanchard, ...

Nanophysics Mar 13, 2023

Are piezoelectrics good for generating electricity? Perhaps, but we must decide how to evaluate them

A 'best practice' protocol for researchers developing piezoelectric materials has been developed by scientists—a first in this cutting-edge field of technology.

Materials Science Mar 7, 2023

Researchers print high-performance microcone-array flexible piezoelectric acoustic sensor

According to the data of the World Health Organization, about 430 million people worldwide suffer from hearing loss due to cochlear damage, and the improvement of hearing mainly depends on cochlear implants. However, traditional ...

Condensed Matter Mar 7, 2023

Coherent phonon-induced gigahertz optical birefringence realized in strontium titanate

Using ultrafast time-resolved pump detection technology, researchers led by Prof. Sheng Zhigao from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences have realized the gigahertz (GHz) frequency ...

Nanophysics Feb 23, 2023

New analysis method developed for nano and quantum materials

A slow-motion movie on sports television channels shows processes in hundredths of a second. By contrast, processes on the nanoscale take place in the so-called femtosecond range: For example, an electron needs only billionths ...

Optics & Photonics Feb 21, 2023

Unique viscometer design integrates a chip-scale GaN optical device with a bendable strip

Traditional viscometers rely on capillary flow, and falling balls are simple and effective means for measuring fluid viscosity over a large range. However, their low measurement throughput and lack of real-time monitoring ...

Bio & Medicine Feb 21, 2023

These sports sensors could curb 'bad calls' and help players during practices

If you watched the most recent Super Bowl, you know the importance of a referee's call on the outcome of a game. Slow-motion replays and close-watching eyes help, but a new sensor technology could someday serve as an even ...

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