Xu Xuankai and Du Mingye et al. have published papers in APL !

On-chip topological phononic crystal acoustic waveguide based on lithium niobate thin films,   Appl. Phys. Lett. 124, 162203 (2024),  https://doi.org/10.1063/5.0190058

Asymmetrical Lamb wave mode resonant infrared detector based on lithium niobate thin film,   Appl. Phys. Lett. 124, 192202 (2024),  https://doi.org/10.1063/5.0196015