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本文综述了近年来 γ- Fe2 O3超微粉在制备方法上的新进展 .作为气敏材料时 ,通过掺杂不同化合物可提高其相变温度和气敏性的效应
In this paper, recent advances in the preparation of γ-Fe 2 O 3 superfine powders are summarized, and as gas-sensing materials, the effects of phase transition temperature and gas sensitivity can be enhanced by doping different compounds