机构地区: 山东师范大学物理与电子科学学院半导体研究所
出 处: 《微纳电子技术》 2003年第9期5-10,28,共7页
摘 要: 钴基合金和铁基合金磁性纳米颗粒薄膜和纳米超晶格结构,由于具有较高的矫顽力和各向异性能,较小的粒子尺寸分布和能形成“单域”结构等特性,从而成为颇有潜力的高密存储介质。最近几年,人们竞相研究其制备方法,其中主要包括真空淀积法、液相化学合成法和离子注入法等,采用各种措施来提高存储介质的热稳定性和其他磁学性能,并取得巨大进展。 Due to their higher coercivity(H C )and magnetocrystalline anisotropy(K u ),smaller size distribution and“single-domain”structures,Co-based all oy and Fe-based alloy magnetic nanoparticle thin films and superlattice struct ures have great potential application for extremely high density recording(EHDR )media,so people are eager to seek effective methods to fabricate magnetic nan oparticle thin films and superlattice structures and to take various measures t o improve the thermal stability and other magnetic properties of recording media .Vacuum deposition techniques,solution phase chemical synthesis and ion implan tation techniques etc are investigated.Great progresses have been made during t he latest few years.