Figure 4.

SEM micrographs of (a) 0.0, (b) 0.5, and (c) 0.1 compositions of Ni0.7-xZnxCu0.3Fe2O4 ferrite nanoparticles.

Batoo and Ansari Nanoscale Research Letters 2012 7:112   doi:10.1186/1556-276X-7-112
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