The structure and behaviour of interfaces—such as grain boundaries, which are abundant in virtually all materials used in engineering applications—is of ever-increasing interest to those trying to understand and improve the properties of micro- and nanostructured materials. Computer simulations at an atomistic scale come in where experiments are necessarily limited: High spatial and temporal resolution, as well as the possibility to quickly produce clean model setups, allow us to understand the mechanisms of phase transitions and mechanical deformation at the scale where they occur.
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