In a photovoltaic cell, light generates opposite charges in the active layer. The charges must then be separated as quickly as possible to keep them from recombining. Positive charges are driven by a built-in electric field ...
Materials Science
Sep 2, 2016
2
344
Extremely short, configurable "femtosecond" pulses of light demonstrated by an international team could lead to future computers that run up to 100,000 times faster than today's electronics.
Optics & Photonics
Mar 13, 2017
1
622
An international team of scientists have observed how a mysterious quantum phenomenon in organic molecules takes place in real time, which could aid in the development of highly efficient solar cells.
Condensed Matter
Oct 26, 2015
1
2562
Researchers from the Cluster of Excellence "CUI: Advanced Imaging of Matter" have achieved a breakthrough—creating a completely new type of plasma by combining state-of-the-art technologies using ultrashort laser pulses ...
Optics & Photonics
Feb 12, 2021
0
3233
A team of researchers from the Accelerator Technology & Applied Physics (ATAP) Division at Berkeley Lab has developed a new technique for combining fiber lasers operating at different wavelengths to produce ultrashort laser ...
Optics & Photonics
Jul 24, 2023
0
32
To magnetize an iron nail, one simply has to stroke its surface several times with a bar magnet. Yet, there is a much more unusual method: A team led by the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) discovered some time ...
Optics & Photonics
Dec 7, 2023
0
50
Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation ...
Optics & Photonics
May 19, 2022
0
411
How do different materials react to the impact of ions? This is a question that plays an important role in many areas of research—for example, in nuclear fusion research, when the walls of the fusion reactor are bombarded ...
Nanophysics
Aug 22, 2022
0
730
(Phys.org)—Magnonics is an exciting extension of spintronics, promising novel ways of computing and storing magnetic data. What determines a material's magnetic state is how electron spins are arranged (not everyday spin, ...
General Physics
Dec 18, 2012
5
0
(Phys.org)—It has taken more than 20 years, but researchers have demonstrated for the first time that femtosecond lasers can be used to structurally manipulate bulk silicon for high-precision applications. Since the late ...
