3 papers
cond-mat.mtrl-sci2025
Observation of cooperative strong coupling between optical phonon and crystal-field excitations in a pseudo Jahn-Teller system
Fangliang Wu, Xiaoxuan Ma, Zhongwei Zhang +6
Cooperative interactions between localized electronic excitations and crystal lattice are central to the emergence of complex structural phases in materials. However, the scaling r…
cond-mat.mtrl-sci2025
Magnetic switching of phonon angular momentum in a ferrimagnetic insulator
Fangliang Wu, Jing Zhou, Song Bao +4
Circularly polarized phonons offer a new route for mediating angular momentum in solids. However, controlling phonon angular momentum without altering the material's structure or c…
cond-mat.mtrl-sci2024
Revealing subterahertz atomic vibrations in quantum paraelectrics by surface-sensitive spintronic terahertz spectroscopy
Zhaodong Chu, Junyi Yang, Yan Li +11
Understanding surface collective dynamics in quantum materials is crucial for advancing quantum technologies. For example, surface phonon modes in quantum paraelectrics are thought…