Ultra-flat and long-lived plasmons in a strongly correlated oxide

oleh: Han Gao, Chao Ding, Jaeseok Son, Yangyu Zhu, Mingzheng Wang, Zhi Gen Yu, Jianing Chen, Le Wang, Scott A. Chambers, Tae Won Noh, Mingwen Zhao, Yangyang Li

Format: Article
Diterbitkan: Nature Portfolio 2022-08-01

Deskripsi

Dispersionless plasmons could find important practical applications, but previous demonstrations have been limited to 2D materials and small momentum range. Here the authors report ultra-flat plasmons propagating over a wide range of momenta in a 3D strongly correlated oxide α-Ti2O3.