Figure 2
A Cu nanoparticle on the Cu oxide.
(a) A HRTEM image taken at 973 K revealing a liquid Cu particle precipitated from Cu oxides by the in situ electron irradiation at 973 K. (b) An electron diffraction pattern showing the halo ring of liquid Cu. (c,d) EDS spectra of the nanoparticle (c) and the substrate (d).
