In power electronics, semiconductors are based on the element silicon—but the energy efficiency of silicon carbide would be much higher. Physicists of the University of Basel, the Paul Scherrer Institute and ABB explain ...
Condensed Matter
Sep 5, 2019
3
53
n quasiparticles known as polaritons, states of light and matter are strongly coupled. The group of Prof. Ataç İmamoğlu has now developed a new approach to study nonlinear optical properties of polaritons in strongly correlated ...
Optics & Photonics
Jul 15, 2019
0
192
Physicists from the Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and the Center for Advancing Electronics Dresden (cfaed) at the TU Dresden, together with researchers from Tübingen, Potsdam ...
Polymers
Jul 5, 2019
1
1
With a simple twist of the fingers, one can create a beautiful spiral from a deck of cards. In the same way, scientists at the University of California, Berkeley, and Lawrence Berkeley National Laboratory (Berkeley Lab) have ...
Nanomaterials
Jun 20, 2019
0
1
Semiconductors, which are the basic building blocks of transistors, microprocessors, lasers, and LEDs, have driven advances in computing, memory, communications, and lighting technologies since the mid-20th century. Recently ...
Nanophysics
May 17, 2019
0
480
Collaborating scientists at the U.S. Department of Energy's Ames Laboratory, Brookhaven National Laboratory, and Princeton University have discovered a new layered ferromagnetic semiconductor, a rare type of material that ...
Condensed Matter
May 10, 2019
0
61
Poor-quality organic semiconductors can become high-quality semiconductors when manufactured in the correct way. Researchers at Linköping University show in an article in Nature Materials that the motion of charges in organic ...
Materials Science
Apr 29, 2019
0
40
A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructures—that is, structures composed of two ...
Electronics & Semiconductors
Apr 23, 2019
0
130
A new type of light-emitting diode has been developed at TU Wien. Light is produced from the radiative decay of exciton complexes in layers of just a few atoms thickness.
Nanophysics
Apr 15, 2019
0
194
Can single crystalline materials be used for low dimensional p-n junction design? This is an open and long-standing problem. Microscopic simulations based on the generalized Bloch theorem show that in single crystalline Si ...
Nanomaterials
Mar 21, 2019
0
16
