Suppression of the Magnetic Transition in Ultrasmall ϵ-Fe2O3 Nanoparticles: the Size Effect from Nuclear Forward Scattering Data. - Knyazev, Yu. V.; Balaev, D. A.; Dubrovskiy, A. A.; Semenov, S. V.; Kirillov, V. L.; Martyanov, O. N. (JETP Letters, 2025)