Chen, L., Ye, G., Nnokwe, C., Pan, X., Tanigaki, K., Cheng, G., Chen, Y. P., Yan, J., Mandrus, D. G., Allcca, A. E. L., Giles-Donovan, N., Birgeneau, R. J., He, R. (2025). Spontaneously formed phonon frequency combs in van der Waals solid CrGeTe3 and CrSiTe3. Nature Communications. https://doi.org/10.1038/s41467-025-61173-7