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
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
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
0
39
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
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
0
2
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
In the coming years, the European Space Agency (ESA) will be launching a series of new weather satellites that will be able to measure important meteorological data, such as precipitation, water vapor or temperature, better ...
Engineering
May 2, 2017
0
4
Tiny "black holes" on a silicon wafer make for a new type of photodetector that could move more data at lower cost around the world or across a datacenter. The technology, developed by electrical engineers at the University ...
Optics & Photonics
Apr 3, 2017
0
349
Engineers at the University of California San Diego have developed a material that could reduce signal losses in photonic devices. The advance has the potential to boost the efficiency of various light-based technologies ...
Optics & Photonics
Feb 17, 2017
1
778
Combining silicon with a light-producing semiconductor may help develop micrometer-scale lasers, shows Doris Keh-Ting Ng and her colleagues from the A*STAR Data Storage Institute.
Optics & Photonics
Nov 30, 2016
0
6
