Wurtzite-structured crystals, characterized by their hexagonal symmetry, are widely valued for their unique electronic and piezoelectric properties—their ability to generate an electric charge when subjected to mechanical ...
Nanophysics
Apr 30, 2025
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1
Gallium nitride (GaN) semiconductors can now be grown without ammonia, a toxic chemical that needs a sophisticated detoxifying system before it can be released into the atmosphere. The new technique is not only more environmentally ...
Materials Science
Jul 31, 2024
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6
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 ...
Optics & Photonics
Jun 28, 2024
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257
The wide availability of light-emitting devices (LEDs) for consumer use has led to a dramatic decrease in the cost of lighting our homes and other buildings. This is owing to the much higher efficiency of LEDs in converting ...
Condensed Matter
Jun 10, 2024
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20
Point defects (e.g. missing, extra or swapped atoms) in crystalline materials often determine the actual electronic and optical response of a given material. For example, controlled substitutions in semiconductors like silicon ...
Condensed Matter
May 23, 2024
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18
The scorching surface of Venus, where temperatures can climb to 480°C (hot enough to melt lead), is an inhospitable place for humans and machines alike. One reason scientists have not yet been able to send a rover to the ...
Condensed Matter
May 23, 2024
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25
In the realm of photonics, the integration of multiple optical devices onto a single substrate holds immense promise for a wide range of applications. This revolutionary approach, known as photonic integration, offers remarkable ...
Optics & Photonics
Jun 21, 2023
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4
To get closer to quantum technology we need to develop non-classical light sources that can emit a single photon at a time and do so on demand. Scientists at EPFL have now designed one of these "single photon emitters" that ...
Optics & Photonics
May 5, 2022
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936
Researchers from North Carolina State University have developed a new process that makes use of existing industry standard techniques for making III-nitride semiconductor materials, but results in layered materials that will ...
General Physics
Oct 25, 2021
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51
Researchers from the Graduate School of Engineering and the Center for Quantum Information and Quantum Biology at Osaka University unveiled a new solid state second-harmonic generation (SHG) device that converts infrared ...
Optics & Photonics
Jun 14, 2021
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