Observation of Lithium Atoms with Supercomputing Support

In order to obtain more information on the properties and behavior of atomic processes, materials scientists like to resort to simulations. A research team led by Dr. Arkady Krasheninnikov, physicist at the German Helmholtz Centre Dresden-Rossendorf, recently achieved a breakthrough. The team succeeded in observing the behavior of lithium atoms between two graphene sheets in real time using transmission electron microscopy (TEM). The graphene material played a crucial role:

“2D materials exhibit useful and exciting properties, and can be used for many different applications, not only as a support in TEM,” Krasheninnikov said. “Essentially, 2D materials are at the cutting edge of materials research. There are likely about a couple thousands of these materials, and roughly 50 have actually been made.”

By using a high-energy beam, individual atoms from a material can be switched off and show the resulting changes in behavior of the material to the scientists. The experimental results  in this project were then analyzed with the support of the supercomputing resources of the Gauss Center for Supercomputing (GCS) in Stuttgart, Germany.

"Simulations save money for people in basic research and industry, and that is why computer modeling is becoming more and more popular.”, says Krasheninnikov.


Source: Gauss centre for Supercomputing |
Image Source: Gauss centre for Supercomputing |

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