Giant photorefractive and photoexpansion effects in a van der Waals semiconductor - Anton A. Minnekhanov; Georgy A. Ermolaev; Alexey P. Tsapenko; Ilia M. Fradkin; Gleb I. Tselikov; Adilet N. Toksumakov; Aleksandr S. Slavich; Arslan B. Mazitov; Sergey A. Smirnov; Nikita D. Orekhov; Ivan A. Kruglov; Sergei A. Ivanov; et al. (Proceedings of the National Academy of Sciences, 2026)