Search results for dopant

Nanophysics Mar 14, 2017

Nanoscale logic machines go beyond binary computing

(Phys.org)—Scientists have built tiny logic machines out of single atoms that operate completely differently than conventional logic devices do. Instead of relying on the binary switching paradigm like that used by transistors ...

Superconductivity Mar 10, 2017

New material raises questions about theoretical models of superconductivity

The U.S. Department of Energy's Ames Laboratory has successfully created the first pure, single-crystal sample of a new iron arsenide superconductor, CaKFe4As4, and studies of this material have called into question some ...

Nanophysics Feb 27, 2017

Bioinspired process makes materials light, robust, programmable at nano- to macro-scale

Researchers at Tufts University's School of Engineering have developed a new bioinspired technique that transforms silk protein into complex materials that are easily programmable at the nano-, micro- and macro-scales as ...

General Physics Feb 7, 2017

Never-before-seen topological solitons experimentally realized in liquid crystals

(Phys.org)—Physicists have discovered that dozens of 3-D knotted structures called "topological solitons," which have remained experimentally elusive for hundreds of years, can be created and frozen for long periods of ...

Nanomaterials Jan 12, 2017

Promising graphene catalyst obtained from sticky rice

Recently, researchers from Tsinghua University, Queen Mary University of London, and Institute of Metal Research, Chinese Academy of Sciences, have reported a promising graphene catalyst obtained from sticky rice, and revealed ...

Materials Science Dec 5, 2016

Researchers develop a simple processing technique that could cut the cost of organic photovoltaics

A simple solution-based electrical doping technique could help reduce the cost of polymer solar cells and organic electronic devices, potentially expanding the applications for these technologies. By enabling production of ...

Materials Science Dec 1, 2016

Pure organic molecules with metallic conduction under ambient pressure

For the first time in the world, a NIMS research team represented by Yuka Kobayashi, Principal Researcher, Research Center for Functional Materials, designed and fabricated single-component organic molecules that are conductive ...

Polymers Nov 24, 2016

IFLs created from pi-conjugated polymers improve performance and stability of optoelectronic devices

(Phys.org)—A team of researchers from Singapore and the U.K. has found that using a particular type of polymer allowed for creating interfacial layers (IFLs) in optoelectronic devices with improved performance and stability. ...

Optics & Photonics Nov 14, 2016

Light detector with record-high sensitivity to revolutionize imaging

The research team led by Professor Hele Savin has developed a new light detector that can capture more than 96 percent of the photons covering visible, ultraviolet and infrared wavelengths.

Optics & Photonics Nov 11, 2016

Modulated doping improves GaN-based vertical-cavity surface-emitting lasers

Researchers at Meijo University and Nagoya University in Japan demonstrated a design of GaN-based vertical-cavity surface-emitting lasers (VCSELs) that provides good electrical conductivity and is readily grown. The findings ...

page 25 from 40