Sounds like, in the article below, that light has a property in which it conducts order out of a disorderly state at the sub-atomic level.
Even LIGHT is DESIGNED.
"A team of physicists and chemists has discovered a previously unknown way in which light interacts with matter..jpg)
“Silicon is Earth’s second-most abundant element, and it forms the backbone of modern electronics,” said Dr. Dmitry Fishman.....“However, being an indirect semiconductor, its utilization in optoelectronics has been hindered by poor optical properties. While silicon does not naturally emit light in its bulk form, porous and nanostructured silicon can produce detectable light after being exposed to visible radiation.”
They subjected a 300-nm-thick silicon film to a tightly focused continuous-wave laser beam that was scanned to write an array of straight lines.
In areas where the temperature did not exceed 500 degrees Celsius, the procedure resulted in the formation of a homogenous cross-linked glass. In areas where the temperature exceeded 500 degrees Celsius, a heterogeneous semiconductor glass was formed.
This light-foamed film allowed the scientists to observe how electronic, optical and thermal properties varied on the nanometer scale.
“This work challenges our understanding of light and matter interaction, underscoring the critical role of photon momenta,” Dr. Fishman said.
“In disordered systems, electron-photon momentum matching amplifies interaction — an aspect previously associated only with high-energy gamma-photons in classical Compton scattering.”
Raman scattering instead.....This phenomenon, which is not commonly observed in crystalline semiconductors, is driven by structural disorder.
"A team of physicists and chemists has discovered a previously unknown way in which light interacts with matter.
.jpg)
They subjected a 300-nm-thick silicon film to a tightly focused continuous-wave laser beam that was scanned to write an array of straight lines.
In areas where the temperature did not exceed 500 degrees Celsius, the procedure resulted in the formation of a homogenous cross-linked glass. In areas where the temperature exceeded 500 degrees Celsius, a heterogeneous semiconductor glass was formed.
“This work challenges our understanding of light and matter interaction, underscoring the critical role of photon momenta,” Dr. Fishman said.
“In disordered systems, electron-photon momentum matching amplifies interaction — an aspect previously associated only with high-energy gamma-photons in classical Compton scattering.”
Raman scattering instead.....This phenomenon, which is not commonly observed in crystalline semiconductors, is driven by structural disorder.
We attribute photoemission in this disordered system to the presence of an excess electron density of states within the forbidden gap (Urbach bridge) where electrons occupy trapped states.
Transitions from gap states to the conduction band are facilitated through electron–photon momentum matching,
which resembles Compton scattering but is observed for visible light
and driven by the enhanced momentum of a photon confined within the nanostructured domains.
We interpret the light emission in structured silicon glass as resulting from electronic Raman scattering. These findings emphasize the role of photon momentum in the optical response of solids that display disorder on the nanoscale."
SciNews/ASCnano