When two similar atomic layers with mismatching lattice constants—the constant distance between a layer's unit cells—and/or orientation are stacked together, the resulting bilayer can exhibit a moiré pattern and form ...
Nanophysics
Jun 14, 2021
0
20
Researchers have created tiny bubbles in high-pressure water via intense focused lasers. Under these conditions, the bubbles expand at supersonic speed and push a shockwave consisting of a spherical shell of highly compressed ...
Optics & Photonics
Jun 9, 2021
0
258
Slow and fast light, or large changes in the group velocity of light, have been observed in a range of optical media, but the fine control over the refractive index necessary to induce an observable effect has not been achieved ...
Plasma Physics
Jun 2, 2021
0
13
Chemical reactions, such as those that occur when charging and discharging a battery, take place primarily on surfaces and at interfaces. While it is very easy to study the macroscopic products of a reaction, it has so far ...
Optics & Photonics
May 20, 2021
0
24
Three billion years ago, light first zipped through chlorophyll within tiny reaction centers, the first step plants and photosynthetic bacteria take to convert light into food.
Molecular & Computational biology
May 14, 2021
1
1057
A Rice University laboratory has adapted its laser-induced graphene technique to make high-resolution, micron-scale patterns of the conductive material for consumer electronics and other applications.
Nanophysics
May 6, 2021
0
49
At extremely low temperatures, matter often behaves differently than in normal conditions. At temperatures only a few degrees above absolute zero (-273 degrees Celsius), physical particles may give up their independence and ...
Optics & Photonics
May 6, 2021
0
69
Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds ...
Optics & Photonics
Apr 30, 2021
0
3035
New research from the University of Surrey has shown that silicon could be one of the most powerful materials for photonic informational manipulation—opening up new possibilities for the production of lasers and displays.
Optics & Photonics
Apr 27, 2021
2
1165
Researchers at the Paul Scherrer Institute PSI have succeeded for the first time in looking inside materials using the method of transient grating spectroscopy with ultrafast X-rays at SwissFEL. The experiment at PSI is a ...
Optics & Photonics
Apr 22, 2021
0
32
