Supplementary Material to: Ultrafast photo-induced O2- channel-opening in oxygen vacancy ordered SrCoO2.5 film

Sample preparation and static characterizations (S1), Setups of the TR and UXRD measurements (S2), Lattice dynamics in BM-SCO films with different thicknesses (S3), Estimation of the thermal lattice expansion under 400 nm and 800 nm excitation (S4), Detailed analysis of the hot hole filling process observed by the TR measurements (S5) and Estimation for lattice change upon the 400 nm excitation (S6).