Figure 4From: Preparation of uniform magnetic recoverable catalyst microspheres with hierarchically mesoporous structure by using porous polymer microsphere templateSTEM and STEM-EDX elemental mapping images. (A, B) STEM images of the ultramicrotomed porous Ī³-Fe2O3/Au/mSiO2 microspheres. (C-E) STEM-EDX elemental mapping images of the selected area in FigureĀ 4A.Back to article page