Scientists discovered the ultra -fast melting route in the silicon using fine -time laser pulses

A team of physicists has discovered a way to temporarily prevent the melting of the silicon, using a timely setting of laser pulses. This detection opens up new possibilities to control material behavior in extreme situations and improve the accuracy of the experiments that study how energy moves through solid things.

Research published in the Journal Communications PhysicsGermany’s University of Cashel, in collaboration with Aves Zejlastra and Martin E. Garcia, led by the University of California, Mercedes’ Tobias Xer and David A Starbby. His work is focused on how severe, ultraviolet laser pulses affect the silicon’s nuclear structure. It is a material that is widely used in electronics and solar cells.

Using advanced computer simulation, researchers showed that a single, high -energy laser pulse usually causes the silicon to melt into a part of a second.

This process, known as non -thermal melting, is so fast that the atoms lose their systematic structure before it is time to heat. However, by dividing the laser energy into two pulses and over their exact time, the team was able to “stop” this process of melting and stabilize this content in a new, metastable condition.

The imitation was carried out using a technique called AB Initio molecular dynamics, which first offers a pattern of nuclear and electrons.

Researchers found that the first laser plus moves atoms, while the second pulse – only translates to the movement by only 126 fhetoconds, which prevents the atoms from becoming unpleasant. This creates a temporary condition where the material remains solid, though it has absorbed enough energy to melt.

Interestingly, this metastable state maintains many electronic properties of the original crystal, including a slightly band gap, which is important for how this material does the electrical method.

Researchers also observed that atomic vibrations, or phones, were more cooled and stable than expected, which suggested that the other pulse effectively “freeze” nuclear movement.

This study has concluded that this method of using timely laser pulses can also be applied to other substances that showcase similar behaviors, which potentially enable the creation of new phases of material, or improve the precision of the experiments, which shows how to transmit the energy.

The authors suggest how future research can find how to fix this technique of different content and use it to better understand the basic physics of light -related interaction.