Search results for dopant

Space Exploration Dec 3, 2014

Space travel is a bit safer than expected

Analysis of data from the MATROSHKA experiment, the first comprehensive measurements of long-term exposure of astronauts to cosmic radiation, has now been completed. This experiment, carried out on board and outside of the ...

Optics & Photonics Nov 17, 2014

Scientists light the way for future electronic devices

Researchers from the Optoelectronics Research Centre (ORC) at the University of Southampton have demonstrated how glass can be manipulated to create electronic devices that will be smaller, faster and consume less power.

General Physics Oct 28, 2014

New high-resolution X-ray spectrometer for beam lines

NIST scientists have pioneered a technology that may speed the arrival of long-awaited materials and devices including advanced high-temperature superconductors and high-efficiency photovoltaic cells: A new high-resolution ...

Nanophysics Oct 16, 2014

Two-element atomic chain synthesized using microscopic space inside a carbon nanotube

Kazutomo Suenaga of the Nanotube Research Center of the National Institute of Advanced Industrial Science and Technology and Ryosuke Senga of the Nano-carbon Characterization Team, NTRC, AIST, have synthesized an atomic ...

Nanomaterials Oct 14, 2014

Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes

Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes (LEDs) as the single most significant and disruptive energy-efficient lighting solution of today, scientists around the world continue unabated to ...

Condensed Matter Oct 13, 2014

Researchers make first observation of atoms moving inside bulk material

Researchers at the Department of Energy's Oak Ridge National Laboratory have obtained the first direct observations of atomic diffusion inside a bulk material. The research, which could be used to give unprecedented insight ...

Nanomaterials Oct 13, 2014

Toward full exposure of 'active sites' for coaxial nanocables

Catalysts are of paramount importance to achieve high efficiency and economic profit for most heterogeneous reactions. Since catalytic reaction occurs only when reactants reach the active sites, these active sites must be ...

Materials Science Oct 7, 2014

Variable glass coatings to stop condensation on windows

Thin-film coatings impart new properties to glass in applications as diverse as window glazing, solar cells and touchscreens. With the Megatron sputtering system, it is now possible for the first time to vary the materials ...

Nanophysics Sep 16, 2014

For electronics beyond silicon, a new contender emerges

Silicon has few serious competitors as the material of choice in the electronics industry. Yet transistors, the switchable valves that control the flow of electrons in a circuit, cannot simply keep shrinking to meet the needs ...

Nanophysics Sep 12, 2014

Moving silicon atoms in graphene with atomic precision

Richard Feynman famously posed the question in 1959: is it possible to see and manipulate individual atoms in materials? For a time his vision seemed more science fiction than science, but starting with groundbreaking experiments ...

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