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Proximal High‐Index Metamaterials based on a Superlattice of Gold Nanohexagons Targeting the Near‐Infrared Band (Adv. Mater. 41/2024)

Year: 2024

Type: article

Abstract: Proximal High-Index Metamaterials from Gold Nanohexagons Plasmonic nanoparticles, when arranged into periodic structures known as superlattices, can form metamaterials capable of manipulating light-matter interactions. In article number 2405650, Gi-Ra Yi and co-workers demonstrate the large-scale fabrication of a planar plasmonic superlattice composed of edge-to-edge assembled gold nanohexagons with precisely controlled gap proximities. The resulting metamaterial exhibits unprecedentedly high refractive index values in the near-infrared spectrum, surpassing the refractive index limits of naturally occurring materials.

Source: Advanced Materials

DOI: 10.1002/adma.202470331

Authors: Dong‐In Shin, Jeongwon Kim, Seong‐Gyun Im, Taewoo Kang, Ke Wang, Gaehang Lee, Seok Joon Kwon, Sungho Park, Gi‐Ra Yi

Institutions: Korea Basic Science Institute, Sungkyunkwan University, Pohang University of Science and Technology, Hubei University, Yonsei University

Language: English

Topic: Metamaterials and Metasurfaces Applications

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W4407084301

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