Singla, S., Joshi, P., López‐Morales, G. I., Watanabe, K., Taniguchi, T., Dreyer, C. E., Chakraborty, B. (2025). Direct Observation of Optically Active Mid‐Gap Electronic States in Hexagonal Boron Nitride by Electron Spectroscopy. Advanced Materials. https://doi.org/10.1002/adma.202502342