07年一篇Chem Lett提到拉曼可区分Fe3O4和gama-Fe2O3,gama-Fe2O3在1400cm-1处有特征峰。建议你看看
Chem Lett 36(8)2007：1068-1069提到：
The Raman spectrum, which is often applied as a useful technique for differentiating various iron oxide phases, showed a characteristic band of gama-Fe2O3 phase at around 1400 cm-1.
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