Conventional plasmons in metals often suffer from high plasmonic loss in the optical range. Here, the authors report a distinct form of tunable correlated plasmons in Mott-like insulating Sr1−xNbO3+δfilms, with multiple plasmon frequencies and low loss in the visible-ultraviolet range.
- Teguh Citra Asmara
- Dongyang Wan
- Andrivo Rusydi
