采用水热法,以分析纯的ZnCl<,2>和CrCl<,3>为原料、NaOH作为矿化剂,制备Zn<,1-x>Cr<,x>O稀磁半导体粉体.探讨前驱物制备过程中的搅拌时间,水热合成反应的保温时间以及反应温度,对Cr掺杂ZnO制备稀磁半导体的影响,分析结果发现,前驱物搅拌时间在7h左右,保温时间24h左右,反应温度在240℃的条件下,有利于ZnO稀磁半导体的合成制备.所制备的Zn<,0.9>Cr<,0.1>O晶体在常温下呈现弱的顺磁性.
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