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Nanomaterials Jul 31, 2024

Scientists identify new class of semiconductor nanocrystals

U.S. Naval Research Laboratory (NRL) scientists confirm the identification of a new class of semiconductor nanocrystals with bright ground-state excitons, a significant advancement in the field of optoelectronics, in an article ...

Materials Science Jul 31, 2024

Ammonia-free gallium nitride semiconductor production found to improve crystal quality, reduce environmental impact

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 ...

Quantum Physics Jul 25, 2024

Somersaulting spin qubits for universal quantum logic could enhance control in larger arrays

Researchers at QuTech developed somersaulting spin qubits for universal quantum logic. This achievement may enable efficient control of large semiconductor qubit arrays. The research group published their demonstration of ...

Optics & Photonics Jul 20, 2024

AI-powered optical detection to thwart counterfeit chips

The semiconductor industry has grown into a $500 billion global market over the last 60 years. However, it is grappling with dual challenges: a profound shortage of new chips and a surge of counterfeit chips, introducing ...

Nanophysics Jul 18, 2024

Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials

Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity.

Optics & Photonics Jul 8, 2024

Boosting UV light absorption in 2D semiconductor with quantum dot hybrids for enhanced light emission

A new publication in Opto-Electronic Science discusses boosting UV light absorption in a 2D semiconductor with quantum dot hybrids for enhanced light emission.

Condensed Matter Jul 4, 2024

Physicists develop method to detect single-atom defects in semiconductors

One of the challenges of cramming smarter and more powerful electronics into ever-shrinking devices is developing the tools and techniques to analyze the materials that make them up with increasingly intimate precision.

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 ...

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

Analytical Chemistry May 23, 2024

Novel liquid crystals produced by stacking antiaromatic units could lead to advances in organic semiconductors

In organic chemistry, π-stacking systems are supramolecular structures that arise due to the dispersion force, a type of intermolecular noncovalent interaction. They are a common occurrence in nature. The stabilized structure ...

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