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Resolution: standard / high Figure 5.
HRTEM images of CeO2nanospheres prepared at 200°C for 24 h. (a) As-prepared CeO2 nanospheres and (b) CeO2 nanospheres after annealing in Ar at 400°C for 2 h.
Phokha et al. Nanoscale Research Letters 2012 7:425 doi:10.1186/1556-276X-7-425 |
