Optical gain is a prerequisite for signal amplification in an optical amplifier or laser. It typically requires high levels of current injection in conventional semiconductors. By exploring an intricate balance and conversion ...
Optics & Photonics
Mar 20, 2020
0
4
The techniques Theodore Biewer and his colleagues are using to measure whether plasma has the right conditions to create fusion have been around awhile.
Plasma Physics
Mar 11, 2020
0
30
A chemist from RUDN University has proposed a new method for the synthesis of secondary propargylamine used to create antidepressants, drugs for Parkinson's disease and other neurodegenerative diseases, as well as malaria. ...
Materials Science
Jan 17, 2020
0
40
In the journal Nature published overnight, researchers from Imperial College, London have reported a transition metal complex with a geometric arrangement of atoms that was predicted in 1893 by the 1913 Nobel Prize recipient.
Analytical Chemistry
Oct 23, 2019
0
357
Researchers at the University of California, Irvine have developed a new scanning transmission electron microscopy method that enables visualization of the electric charge density of materials at sub-angstrom resolution.
Condensed Matter
Oct 14, 2019
0
1035
Work led by the research group of Professor Steve Liddle and published in the prestigious journal Nature Chemistry has reported a uranium dinitrogen molecule that, according to basic chemical theory, should not exist. The ...
Materials Science
Aug 22, 2019
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152
High-temperature superconductors, which carry electricity with zero resistance at much higher temperatures than conventional superconducting materials, have generated a lot of excitement since their discovery more than 30 ...
Superconductivity
Aug 19, 2019
1
64
Discovered more than 100 years ago, superconductivity continues to captivate scientists who seek to develop components for highly efficient energy transmission, ultrafast electronics or quantum bits for next-generation computation. ...
Superconductivity
Aug 16, 2019
2
552
TSU physicists, working with scientists from Novosibirsk, Krasnoyarsk, Germany and Korea, have discovered new nanomechanical properties of diamonds mined at the Skalnoe deposit of the Popigai astrobleme. Using a combination ...
Nanophysics
Jul 12, 2019
0
96
Researchers have developed a new laser-based method that can detect electric charges and chemicals of interest with unprecedented sensitivity. The new approach could one day offer a way to scan large areas for radioactive ...
Optics & Photonics
Jun 20, 2019
0
2
