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Unexpected magnetism in gold nanostructures: making gold even more attractive

2011/01/31 by Simon Trudel · 1 voice
Chemistry · Materials Science · #Gold and Silver Nanoparticles Synthesis and Applications #Nanocluster Synthesis and Applications #Nanomaterials for catalytic reactions

paper · pdf · doi:10.1007/s13404-010-0002-5

openalex publication_date 2011/01/31 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

Gold nanostructures have attracted widespread attention due to their novel optical, electronic, and biocompatible properties. These make gold nanostructures (and in particular nanoparticles) very attractive for a variety of applications, including catalysis, therapeutics, diagnostics, sensing, and nanoelectronics. In this topical review, the newly discovered magnetic properties of gold nanostructures are highlighted. This unexpected magnetism in gold nanoparticles is a result of (1) the predominant effect of surfaces at the nanoscale, (2) the electronic modification to gold from strongly capping molecules, and (3) the strong spin–orbit coupling of gold. This review discusses the salient experimental results, a theoretical model, and closes by highlighting possible industrial applications of magnetic gold nanostructures.

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