Real-space imaging of acoustic plasmons in large-area graphene grown by chemical vapor deposition

oleh: Sergey G. Menabde, In-Ho Lee, Sanghyub Lee, Heonhak Ha, Jacob T. Heiden, Daehan Yoo, Teun-Teun Kim, Tony Low, Young Hee Lee, Sang-Hyun Oh, Min Seok Jang

Format: Article
Diterbitkan: Nature Portfolio 2021-02-01

Deskripsi

Acoustic graphene plasmons are superior to the graphene surface plasmons in field confinement and normalized propagation length, thus promising for applications. Here, the authors report near-field imaging of acoustic plasmons in high-quality CVD graphene, measure the AGP dispersion and propagation loss, and investigate their behavior in a periodic structure.