Theoretical derivation of the crystallographic parameters of polytypes of long-period stacking ordered structures with the period of 13 and 14 in hexagonal close-packed system |
(color online) (a) A TEM BF image of the LPSO structure in Mg–2.5 at% Gd–1.0 at% Zn alloy (773 K, 23 h). The inserted image is the SAED pattern of the LPSO structure. (b) A HAADF-STEM image of the LPSO structure along |