A consultant list of structural and optical data gathered from the single-crystalline ingots of germanium is presented in Fig. 1. Most of these ingots crystallized within the diamond-type lattice (House group #227 –Nghiên c?u c?a FDA ??a ra k?t lu?n r?ng germani, khi s? ??ng nh? là ch?t b? sung dinh d??ng, "th? hi?n m?t s? nguy Hello?m ti?m tà