目前磁记录技术的发展遇到了瓶颈,记录密度达到了极限.继续提高记录密度需要采用具有超高磁晶各向异性的记录介质材料,但这些材料的矫顽力巨大,使得数据的写入困难.为了摆脱这种困境,科研工作者提出了几种新型的磁记录介质的概念如倾斜介质、梯度介质、渗透垂直介质,并开展了相应的研究.本文综述了这几种新型的磁记录介质的研究进展.
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