Search results for optoelectronic devices

Optics & Photonics 20 hours ago

Ultrashort laser pulses let new microscope map electron interactions across thin materials

A new type of advanced microscope (wide-field coherent multidimensional microscopy) has been developed. It uses a carefully designed sequence of ultrashort light pulses to study the behavior of high-tech materials, with potential ...

Condensed Matter Oct 5, 2026

Atomic motion could help push solar cells beyond conventional limits

The bulk photovoltaic effect (BPVE), a photoelectric effect that generates photocurrent without a p–n junction, can persist even when a material's average crystal structure remains centrosymmetric, a study from Institute ...

Environment Oct 5, 2026

Detecting forever chemicals—with yeast and AI

If you're reading this, your body probably contains forever chemicals.

Nanophysics Oct 5, 2026

Waste plastic yields carbon quantum dots with emissions tunable from UV to yellow-green

Carbon quantum dots (CQDs) are fluorescent carbon nanomaterials with potential applications in sensing, optoelectronics, displays, anticounterfeiting and environmental technologies. Their optical properties can be adjusted ...

Nanophysics Sep 30, 2026

Bending nanoribbons tunes diamond's light emission without doping

In a new Physical Review Letters study, researchers have demonstrated that bending diamond nanostructures can tune the light they emit without doping.

Optics & Photonics Sep 25, 2026

Ultrathin materials could make quantum light circuits programmable

Quantum photonics could be a pivotal part of future quantum technology if the right materials can be created, a new review paper has found.

General Physics Sep 25, 2026

Rare quantum state reveals particles with quarter-electron charge

An electron's charge is normally fixed, like a coin you can't break into pieces. But if electrons are cooled close to absolute zero and trapped in a two-dimensional layer under a powerful magnetic field, they organize into ...

Superconductivity Sep 24, 2026

Picosecond pulses push superconductors beyond their critical-current limit

Superconductors can carry electrical current without resistance, but only up to a maximum value known as the critical current. The critical current is a crucial figure of merit for applications, and materials science has ...

Nanophysics Sep 14, 2026

Mapping charge-carrier dynamics to guide more efficient organic solar cells

A Sungkyunkwan University (SKKU) research team led by professors Taeyeon Kim and Doo-Hyun Ko of the Department of Chemistry recently published a comprehensive review titled "Carrier Dynamics in Nonfullerene Acceptor Organic ...

Condensed Matter Aug 31, 2026

Organic crystal reveals how Joule heating stabilizes resistive switching

Metal-insulator transitions (MITs), in which a material changes from a metallic state with low resistivity to an insulating state because of a change in an external parameter, such as temperature, pressure or an electric ...

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