Calculation of the Ground-State Ionization Energy for Shallow Donors in n-Ge Single Crystals within the Δ1-Model for the Conduction Band. Ukr. J. Phys. [Internet]. 2019 Jan. 10 [cited 2026 Sep. 10];60(10):1022. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019159