Published in Proceedings of the National Academy of Sciences, 2022

Recommended citation: Z. Cheng#, L. Bu#, Y. Zhang#, H. Wu, T. Zhu*, H. Gao*, L. Lu*, "Unraveling the origin of extra strengthening in gradient nanotwinned metals." Proceedings of the National Academy of Sciences, 119, e2116808119 (2022). https://doi.org/10.1073/pnas.2116808119