Search results for dopant

Materials Science Sep 22, 2017

Chiral crabs

Sander Wezenberg, and PhD students Thomas van Leeuwen and Kaja Sitkowska, from the University of Groningen in the Netherlands, spoke to us about their work in chirality and molecular motors, and the seaside scene on the cover ...

Nanomaterials Sep 5, 2017

Newly-discovered semiconductor dynamics may help improve energy efficiency

Researchers examining the flow of electricity through semiconductors have uncovered another reason these materials seem to lose their ability to carry a charge as they become more densely "doped." Their results, which may ...

Quantum Physics Aug 15, 2017

'Organismic learning' mimics some aspects of human thought

A new computing technology called "organismoids" mimics some aspects of human thought by learning how to forget unimportant memories while retaining more vital ones.

Nanomaterials Jul 11, 2017

Nanoparticles take a bite out of infections

Antibiotic-resistant bacteria that colonize surfaces and medical equipment are causing alarming annual rises in the number of patients becoming infected in hospitals and clinics. A KAUST team is working to reduce these numbers ...

Materials Science Jul 10, 2017

Highly nitrogen and sulfur dual-doped carbon microspheres for supercapacitors

Among electrode materials for supercapacitors, carbon-based materials are most commonly used because they're commercially available and cheap, and they can be produced with a large specific surface area. Heteroatom doping, ...

Energy & Green Tech Jun 15, 2017

'Magic' alloy could spur next generation of solar cells

In what could be a major step forward for a new generation of solar cells called "concentrator photovoltaics," University of Michigan researchers have developed a new semiconductor alloy that can capture the near-infrared ...

Materials Science Jun 8, 2017

For storing energy from renewable sources, scientists turn to antiferroelectrics

(Phys.org)—One of the greatest challenges in generating energy from renewable sources is finding a way to store the continuously fluctuating energy being produced. Batteries, supercapacitors, and most other energy-storage ...

Materials Science Jun 7, 2017

Building 'OLEDs' from the ground up for better electronics

From smartphones to TVs and laptops, light emitting diode (LED) displays are ubiquitous. OLEDs (where the O denotes they are organic, or carbon-based) are among the most energy efficient of these devices, but they generally ...

Quantum Physics May 26, 2017

Toward mass-producible quantum computers

Quantum computers are experimental devices that offer large speedups on some computational problems. One promising approach to building them involves harnessing nanometer-scale atomic defects in diamond materials.

General Physics May 24, 2017

One-dimensional crystals for low-temperature thermoelectric cooling

Thermoelectric cooling is a solid-state refrigeration process where the heat in an electrically conductive material is transferred using the material's own conduction electrons without any need for the gaseous coolants, such ...

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