Dinh Khang, Pham, Vo Duy Dat, Dang Phuc Toan, & Vu Van Tuan. " First Principles Study on Electronic and Optical Properties of Quinary Copper-based Sulfides and Selenides Cu2HgGe(S1-xSex)4." VNU Journal of Science: Mathematics - Physics [Online], 37.1 (2021): n. pag. Web. 5 May. 2024