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Resolution: standard / high Figure 4.
XRD patterns. Patterns of the as-prepared spindle-like α-Fe2O3 NPs and FT-1 (a), as-prepared hollow and ultrafine Fe3O4 NPs, FT-2 and FT-3 (b).
Wu et al. Nanoscale Research Letters 2011 6:533 doi:10.1186/1556-276X-6-533 |
