Boyko IV. Role of Two-Photon Electronic Transitions in the Formation of Active Dynamic Conductivity in a Three-Barrier Resonance Tunneling Structure with an Applied DC Electric Field. Ukr. J. Phys. [Internet]. 2019 Jan. 8 [cited 2024 Apr. 24];61(1):66. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019130