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Rich Ground State Chemical Ordering in Nanoparticles: Exact Solution of a Model for Ag-Au Clusters
Peter Mahler Larsen, Karsten Wedel Jacobsen, Jakob Schiøtz
We show that nanoparticles can have very rich ground state chemical order. This is illustrated by determining the chemical ordering of Ag-Au 309-atom Mackay icosahedral nanoparticl…
Improved Orientation Sampling for Indexing Diffraction Patterns of Polycrystalline Materials
Peter Mahler Larsen, Søren Schmidt
Orientation mapping is a widely used technique for revealing the microstructure of a polycrystalline sample. The crystalline orientation at each point in the sample is determined b…
Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structures
Alberto Cereser, Markus Strobl, Stephen Hall +17
The physical properties of polycrystalline materials depend on their microstructure, which is the nano-to-centimeter-scale arrangement of phases and defects in their interior. Such…