Review, Structure–Property Relationships and Multi-Objective Design in Advanced Metallic Systems: From Nanocrystals and High-Entropy Alloys to Bulk Metallic Glasses: Structure–Property Relationships and Multi-Objective Design in Advanced Metallic Systems: From Nanocrystals and High-Entropy Alloys to Bulk Metallic Glasses. (2026). Journal of Nanomaterials and Applications (JNA), 2(3), 16-37. https://doi.org/10.65273/hhit.jna.2026.2.3.045