SPP 1296: Heterogeneous Nucleation and Microstructure Formation: Steps towards a System- and Scale-bridging Understanding

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The goal of this Priority Programme is to attain a fundamental understanding of the basic mechanisms underlying heterogeneous nucleation as well as the subsequent development of the nucleus into a specific heterogeneous microstructure. In particular, a system and method-spanning scientific approach is intended to contribute to a detailed, multiscale understanding of these mechanisms, which is intended to be applied successively and system-independently on different kinds of material systems. Initially, this is planned for the simplest types of model systems for heterogeneous crystalline orders, for pure metals, binary metal alloys and colloids. Their liquid phase, which is the basis for crystalline nucleation, shall be specified via examinations of its physical properties and ordering characteristics. More specifically, the following questions are intended to be explored within the context of the Priority Programme: