Linear and nonlinear optical properties of Sb-doped GeSe2 thin films*
Zhang Zhen-Yinga), Chen Fena)†, Lu Shun-Binb), Wang Yong-Huia), Shen Xiangc), Dai Shi-Xunc), Nie Qiu-Huac)
       
XPS spectra of (a) Sb 3d and (b) Se 3d for as-deposited Ge–Se–Sb thin film.