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Search results for piezoelectric

Earth Sciences Sep 2, 2024

Electricity generated by earthquakes might be the secret behind giant gold nuggets

Scientists have long been fascinated by the formation of gold nuggets, often found nestled within quartz veins. New research led by Monash University geologists suggests that the process might be even more electrifying than ...

Materials Science Aug 24, 2024

Nontoxic ceramic could replace lead-based electronic components

The ceramic produced in Prof. Igor Lubomirsky's lab at the Weizmann Institute of Science seemed too good to be true. It belongs to a class of materials that are the backbone of many essential technologies but that unfortunately ...

Planetary Sciences Aug 13, 2024

Novel anemometer tracks sound travel for speedier, more precise wind speed calculations on Mars

Mars has a notoriously inhospitable environment, with temperatures that fluctuate dramatically over the course of a Martian day and average minus 80 degrees Fahrenheit. Its surface is mostly covered in red dust, with terrain ...

Materials Science Aug 6, 2024

Researchers solve long-standing challenge for piezoelectric materials

Heat and pressure can deteriorate the properties of piezoelectric materials that make state-of-the-art ultrasound and sonar technologies possible—and fixing that damage has historically required disassembling devices and ...

Optics & Photonics Jul 26, 2024

Novel tunable ultrasonic liquid crystal light diffuser paves the way for next-gen indoor lighting

It is no mystery that light is essential to human life. Since the discovery of fire, humans have developed various artificial light sources, such as incandescent lamps, gaslights, discharge lamps, and light-emitting diodes ...

Nanomaterials Jul 8, 2024

Achieving high performance and stability simultaneously: Developing hybrid bio-nanostructures

A research team developed hybrid bio-nanostructures then used them to fabricate fibrous solar cells (FSCs) and fibrous organic light-emitting diodes (FOLEDs) that demonstrated high performance and stability across a wide ...

Quantum Âé¶¹ÒùÔºics Jul 8, 2024

A new approach to realize quantum mechanical squeezing

Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, ...

Optics & Photonics Jul 3, 2024

'Acceleration beats' shine bright light on a novel universal modulation regime in a semiconductor-based laser

Researchers at the Paul-Drude-Institute for Solid State Electronics (PDI) have observed a novel modulation regime characterized by the emergence of previously unseen "acceleration beats" in a modulated semiconductor-based ...

Optics & Photonics Jun 28, 2024

Updating the textbook on polarization in gallium nitride to optimize wide bandgap semiconductors

An updated model reconciles the gap between recent experiments and theory concerning polarization in wurtzite semiconductors—paving the way for the development of smaller, faster and more efficient electronic devices, according ...

Nanophysics Jun 26, 2024

Breakthrough nanoporous material exhibits giant piezoelectric response

Recently a super-strain nanoporous material, barium calcium zirconium titanate composition (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 (BCZT) was created, which showcases an extraordinary piezoelectric response (d33 ≈7500 pm V-1) . This ...

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