Figure 2. (IMAGE) Science China Press Caption (a) SEM, (b) HRTEM, (c) elemental mapping, and (d,f) HADDF-STEM images of Pd-GDY. (e,g) Enlarged images of the red square areas in image (d) and (f), respectively. (h) The experimental K-edge XANES spectra (inset: magnified image) and (i) the first derivative curves of Pd-GDY, Pd foil and PdO. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.