Wang, Y., Liu, Z., Gianopoulos, C. G., Zhang, W., Alfonso, D., He, G., Kirschbaum, K., Zhou, M., Jin, R. (2026). Phase Engineering of Nanogold: Non‐Close Packed Square Planes in A′B′ Stacking with a 0.5 Å Channel. Advanced Materials. https://doi.org/10.1002/adma.202517188