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Figure 5 | Nanoscale Research Letters

Figure 5

From: Preparation of uniform magnetic recoverable catalyst microspheres with hierarchically mesoporous structure by using porous polymer microsphere template

Figure 5

XRD pattern and magnetic hysteresis curves of hybrid microspheres. (A) XRD pattern of (a) γ-Fe2O3/polymer/Au/SiO2 and (B) γ-Fe2O3/Au/SiO2 hybrid microspheres. (B) Magnetic hysteresis curves of the porous γ-Fe2O3/Au/SiO2 hybrid microspheres. The inset is a photograph of the porous γ-Fe2O3/Au/SiO2 microspheres under an external magnetic field.

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