posted on 2025-10-23, 12:08authored byZijian Gan, SHUYUE FENG, Camryn Gloor, Xiaowei Zhong, Wei You, Andrew Moran
The supplementary material includes all 2D spectroscopy datasets, details of the signal processing procedures, derivations of the spin relaxation rate formulas from fourth-order perturbation theory and the Fokker-Planck equation, and a complete summary of the fitting parameters determined for (PEA)₂PbI₄ and (AzoEA)₂PbI₄.