Fig. 5
From: Effects of metal cation substitution on hexavalent chromium reduction by green rust
TEM images of oxGR (a), oxAl-GR (b), oxMg-GR (c) and oxZn-GR (d). STEM images of oxMg-GR (e) and oxZn-GR (f) are also shown. Areas where SAED was performed are indicated, and the SAED patterns are displayed in the insets. FWHM of diffraction spots (mm, at 2.53 Ã…/1.46 Ã…): a 0.65/1.26, b 0.71/1.51, c 0.55/0.67, d 0.72/1.07