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General Physics May 31, 2019

Organic laser diodes move from dream to reality

Researchers from Japan have demonstrated that a long-elusive kind of laser diode based on organic semiconductors is indeed possible, paving the way for the further expansion of lasers in applications such as biosensing, displays, ...

Optics & Photonics May 28, 2019

Less can be more: Semiconductor nanowires for flexible photovoltaics

Capturing and manipulating light at nanoscale is a key factor to build high efficiency solar cells. Researchers in the 3-D Photovoltaics group have recently presented a promising new design. Their simulations show that vertically ...

Materials Science May 22, 2019

Data science helps engineers discover new materials for solar cells and LEDs

Engineers at the University of California San Diego have developed a high-throughput computational method to design new materials for next generation solar cells and LEDs. Their approach generated 13 new material candidates ...

Condensed Matter May 10, 2019

Researchers identify rare 2-D insulator with ferromagnetic properties

Collaborating scientists at the U.S. Department of Energy's Ames Laboratory, Brookhaven National Laboratory, and Princeton University have discovered a new layered ferromagnetic semiconductor, a rare type of material that ...

Nanophysics Apr 29, 2019

Formation of honeycomb nanostructures finally explained

A few years ago, a promising new type of nanomaterial was observed experimentally, combining the virtues of semiconductors with those of graphene. The material is formed by nanocrystals that spontaneously assemble into a ...

Optics & Photonics Apr 25, 2019

Researchers transmit data via a semiconductor laser, opening the door to ultra-high-speed Wi-Fi

You've never heard Dean Martin like this.

Electronics & Semiconductors Apr 23, 2019

Semiconductor scientists discover effect that was thought impossible

A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructures—that is, structures composed of two ...

Nanomaterials Apr 11, 2019

The golden path towards new two-dimensional semiconductors

Two-dimensional (2-D) semiconductors are promising for quantum computing and future electronics. Now, researchers can convert metallic gold into semiconductor and customize the material atom-by-atom on boron nitride nanotubes.

General Physics Apr 9, 2019

Measurement of semiconductor material quality is now 100,000 times more sensitive

The enhanced power of the new measuring technique to characterize materials at scales much smaller than any current technologies will accelerate the discovery and investigation of 2-D, micro- and nanoscale materials.

General Physics Apr 4, 2019

Amplifier for terahertz lattice vibrations in a semiconductor crystal

In analogy to the amplification of light in a laser, vibrations of a semiconductor crystal, so-called phonons, were enhanced by interaction with an electron current. Excitation of a metal-semiconductor nanostructure by intense ...

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