Sample courtesy of Prof. D.L. Zhang at Jilin University, China.

Zeolite beta low dose images

(a) A single sub-image frame (0.125 s exposure) of zeolite beta along [100] zone axis. Electron dose for this image is 0.5 e-/pixel or 11 e-/A2; (b) Enlarged area of the outlined in (a); (c) FFT image of (b). The d-spacing of (0, 0, 16) is 1.7 A.