Search results for optoelectronic devices

Nanophysics Sep 20, 2024

Light momentum turns pure silicon from an indirect to a direct bandgap semiconductor

UC Irvine-led research reveals that the optical properties of materials can be dramatically enhanced—not by changing the materials themselves, but by giving the light new properties.

Optics & Photonics Sep 13, 2024

Multifunctional phosphor developed for white LED lighting and optical thermometry

In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue ...

Nanomaterials Sep 10, 2024

Atomic diffusion technique could lead to mass production of metal nanowires

A group from Nagoya University in Japan has created a new technique for growing the tiny metal nanowires (NWs) that are expected to be used in next-generation electronics. Their results suggest a way to mass produce pure ...

Condensed Matter Sep 4, 2024

Optoelectronic diamond device reveals an unexpected phenomenon reminiscent of lightning in slow motion

Diamond is in many ways the ultimate material. Besides its enduring aesthetic value, diamond is also a highly versatile industrial material. While its claim as the hardest substance known to science has been usurped by ultra-rare ...

Nanophysics Sep 2, 2024

Low-energy ion implantation enables 2D lateral p-n junction construction

The feature size of silicon-based transistors is approaching the theoretical limit, which puts forward higher requirements for the atomic level manufacturing of semiconductors. The basic idea of atomic level manufacturing ...

Nanophysics Aug 30, 2024

Advances in optical micronanofiber-enabled tactile sensors and soft actuators

A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years.

Condensed Matter Aug 27, 2024

Physicists predict existence of new exciton type

Bruno Uchoa, a professor of condensed matter physics, and Hong-yi Xie, a postdoctoral fellow in condensed matter physics at the University of Oklahoma, have published research in the journal Proceedings of the National Academy ...

Nanomaterials Aug 23, 2024

A leap forward in nanotechnology: Growing special micro-crystals for better devices

In a paper published in the journal Advanced Materials, Dr. Atikur Rahman's research group from the Physics department at IISER Pune, India, along with collaborators, report a new way to grow special crystals called CsPbBr3 ...

Nanophysics Aug 22, 2024

Low-cost flexible metasurfaces to increase the efficiency of optoelectronic devices

Metasurfaces are two-dimensional counterparts of metamaterials, which are artificial materials that possess unusual characteristics. With a variety of fascinatingly innovative and diverse uses, these specially-prepared surfaces ...

Nanophysics Aug 16, 2024

Unveiling the power of hot carriers in plasmonic nanostructures

A new scientific review explores the exciting potential of hot carriers, energetic electrons generated by light in plasmonic nanostructures. These tiny structures hold immense promise for future technologies due to their ...

page 15 from 40