Figure 5.

Morphological and structural characterizations of Fe3O4–Au hybrid nanorods synthesized by annealing of FeOOH–Au hybrid nanorods under Ar atmosphere: a XRD pattern; b SEM image; c TEM image; d HRTEM image

Zhu et al. Nanoscale Research Letters 2010 5:1755   doi:10.1007/s11671-010-9706-y