Search results for dopant

Nanophysics Oct 28, 2016

Electrical currents can be now be switched on and off at the smallest conceivable scale

Robert Wolkow is no stranger to mastering the ultra-small and the ultra-fast. A pioneer in atomic-scale science with a Guinness World Record to boot (for a needle with a single atom at the point), Wolkow's team, together ...

Nanomaterials Oct 19, 2016

Scientists find technique to improve carbon superlattices for quantum electronic devices

Researchers at the Nanoscale Transport Physics Laboratory from the School of Physics at the University of the Witwatersrand have found a technique to improve carbon superlattices for quantum electronic device applications. ...

Materials Science Sep 23, 2016

Team discovers way to make alane a better hydrogen fuel option for vehicles

Scientists at the U.S. Department of Energy's Ames Laboratory, in collaboration with several partners, have discovered a less-expensive, more energy-efficient way to produce alane – aluminum trihydride – a hydrogen source ...

Materials Science Sep 7, 2016

New perovskite research discoveries may lead to solar cell and LED advances

"Promising" and "remarkable" are two words U.S. Department of Energy's Ames Laboratory scientist Javier Vela uses to describe recent research results on organolead mixed-halide perovskites.

Condensed Matter Aug 25, 2016

Defects, electrons, and a long-standing controversy

Faster, more energy-efficient electronics could be created with topological insulators, which carry an electrical charge on just the surface, while the interior acts as an insulator. Scientists are delving into how the material's ...

Superconductivity Aug 17, 2016

Scientists uncover origin of high-temperature superconductivity in copper-oxide compound

Since the 1986 discovery of high-temperature superconductivity in copper-oxide compounds called cuprates, scientists have been trying to understand how these materials can conduct electricity without resistance at temperatures ...

Energy & Green Tech Jul 27, 2016

Watering solar cells makes them grow... in power

Perovskite solar cells are the rising star in the photovoltaic landscape. Since their invention, less than ten years ago, their efficiency has doubled twice and it is now over 22% - an astonishing result in the renewable ...

Materials Science Jul 20, 2016

Lab discovers titanium-gold alloy that is four times harder than most steels

Titanium is the leading material for artificial knee and hip joints because it's strong, wear-resistant and nontoxic, but an unexpected discovery by Rice University physicists shows that the gold standard for artificial joints ...

Energy & Green Tech Jul 18, 2016

The future of perovskite solar cells has just got brighter—come rain or shine

Widely known as one of the cleanest and most renewable energy sources, solar energy is a fast growing alternative to fossil fuels. Among the various types of solar materials, organometal halide perovskite in particular has ...

Materials Science Jul 15, 2016

Scientists find a new dopant for organic electronic devices

A team of the Lomonosov MSU researchers in collaboration with their German colleagues from the Institute of Polymer Research in Dresden (Leibniz Institute) believe a particular molecule could lead to the development of organic ...

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