Light 'relaxes' crystal to boost solar cell efficiency
Some materials are like people. Let them relax in the sun for a little while and they perform a lot better.
Materials Science
Apr 5, 2018
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Page 6 - News tagged with arsenide
Scientists have a new way to gauge the growth of nanowires
In a new study, researchers from the U.S. Department of Energy's (DOE) Argonne and Brookhaven National Laboratories observed the formation of two kinds of defects in individual nanowires, which are smaller in diameter than ...
Nanophysics
Mar 19, 2018
0
109
A milestone in petahertz electronics
In a semiconductor, electrons can be excited by absorbing laser light. Advances in the past decade have enabled measuring this fundamental physical mechanism on timescales below a femtosecond (10-15 s). Now, physicists at ...
General Physics
Mar 13, 2018
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37
Flat gallium joins roster of new 2-D materials
Scientists at Rice University and the Indian Institute of Science, Bangalore, have discovered a method to make atomically flat gallium that shows promise for nanoscale electronics.
Nanomaterials
Mar 9, 2018
0
224
Scientists observe nanowires as they grow
At DESY's X-ray source PETRA III, scientists have followed the growth of tiny wires of gallium arsenide live. Their observations reveal exact details of the growth process responsible for the evolving shape and crystal structure ...
Nanophysics
Feb 9, 2018
0
115
Study reveals secrets of 'fluid-like' heat flow in solid semiconductor at nanoscale
Researchers are applying the same "hydrodynamic transport model" used to study flow in fluids to explain heat transport in a solid semiconductor, with potential implications for the design of high-speed transistors and lasers.
Nanophysics
Jan 18, 2018
0
28
New oxide and semiconductor combination builds new device potential
Insulating oxides are oxygen containing compounds that do not conduct electricity, but can sometimes form conductive interfaces when they're layered together precisely. The conducting electrons at the interface form a two-dimensional ...
Condensed Matter
Jan 10, 2018
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39
Scientists invent technique to map energy and momentum of electrons beneath a material's surface
For the first time, physicists have developed a technique that can peer deep beneath the surface of a material to identify the energies and momenta of electrons there.
General Physics
Nov 16, 2017
0
922
New chromium-based superconductor has an unusual electronic state
When certain materials are cooled below a critical temperature they become superconductors, with zero electrical resistance. An international research team observed an unusual electronic state in new superconductor chromium ...
Superconductivity
Jul 25, 2017
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2
Researchers create ultrafast tunable semiconductor metamaterial
An international team of researchers from Moscow State University (Russia), Sandia National Laboratories (U.S.), and Friedrich-Schiller University (Germany) have devised an ultrafast tunable metamaterial based on gallium ...
Optics & Photonics
May 18, 2017
0
3
