上述内容是出自下面的文献
Synthesis of hollow microspheres constructed with a-Fe2O3 nanorods and
their photocatalytic and magnetic properties (Journal of Alloys and Compounds) 477 (2009) 90–99
Xiaoli Xie, Heqing Yang∗, Fenghua Zhang, Li Li, Junhu Ma, Hua Jiao, Jianying Zhang
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