fig5

Figure 5. High-resolution diffraction peaks of the hR20-structured Al₃Er and the Al matrix after slow scanning: (A) Al (111) and Al₃Er (027); (B) Al (200) and Al₃Er (2 0 11); (C) Al₃Er (0 2 19), Al₃Er (220); (D) Al (220) and Al₃Er (3 0 15), Al₃Er (318); (E) Al (311) and Al₃Er (2 2 15), Al₃Er (2 1 22).