Editors’ choice for the thematic issue “Fundamental Problems of Functional Materials Physics” is the paper entitled “Investigation of Heterostructures Based on Hafnium Oxide” by Y. I. Sharifullina, I. I. Gumarova, R. F. Mamin, and O. V. Nedopekin (Bulletin of the Russian Academy of Sciences: Physics, 2023, Volume 87, Issue 4, P. 504-509).