Xue, B., Y. Li, Z. Cheng, S. Yang, L. Xie, S. Qin, and Q. Zheng. “Directional Electromagnetic Interference Shielding Based on Step-Wise Asymmetric Conductive Networks”. Nano-Micro Letters, vol. 14, Dec. 2021, p. 16, doi:10.1007/s40820-021-00743-y.