Figure 2From: Variable blocking temperature of a porous silicon/Fe3O4 composite due to different interactions of the magnetic nanoparticlesAssessment of iron oxide particles within porous silicon. (a) Scanning electron micrograph of a cross-sectional region of a porous silicon sample with infiltrated magnetite nanoparticles with a size of 8 nm. (b) EDX spectrum taken at the marked region at the pore tips.Back to article page