From geometric to topological close-packing Ag(100-)Ni nanoparticles

Key Points

• Ag-Ni nanoparticles exhibit a shift from geometric to topological packing arrangements, enhancing stability.
• Key evidence showed a decrease in surface energy by approximately 15% when transitioning from geometric to topological packings.
• Observational analysis examined the structural changes in Ag-Ni alloys under varying synthesis conditions and dimensions.
• This transition implies potential for better performance in applications, though further studies on scalability and durability are needed.