These files contain the raw data files for the paper: N. Norouzi, W. Woudstra, E. Smith, G. Zulpukarova, K. Yao, V.G. Damle, R. Schirhagl, P.W. May, Tom Kamp, "Antimicrobial studies of black silicon and black diamond using Gram-positive bacteria", accepted for Adv. Engin. Mater. (2023). [doi: 10.1002/adem.202301031].