Co:TiO2作为一种很有希望在自旋电子学器件中获得重要应用的室温稀磁半导体材料,最近几年获得了广泛关注.首先介绍了该体系的制备方法,如分子束外延、溅射、化学方法等,然后就Co:TiO2薄膜的输运性质和磁性作了敲为详细的阐述,对比较有争议的微结构和磁性起源问题也进行了探讨.归纳总结了目前在各方面的进展和存在的问题,并针对这些问题提出了今后的一些研究方向.
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