Magnetic properties and microstructures of Fe/Ti films
Fe/Ti and Ti/Fe/Ti thin films were prepared by DC magnetron sputtering onto glass substrates at room temperature and subsequent annealing. It has been found that magnetic properties and microstructures of the samples depend strongly on the Ti layer thickness and annealed temperature. X-ray diffraction shows that the all films with the phase of bcc Fe are perpendicular anisotropy. Vibrating sample magnetometer measurements indicate that magnetic properties of the Ti/Fe/Ti triple is better than which of Fe/Ti bilayer films, and for the Ti(7nm)/Fe(18nm)/Ti(7nm) thin film after postannealed at Ta=500℃ , the out-of-plane coercivity is higher than 1.8 KOe, meanwhile, the roughness (Ra) of film surface and the average domain size (Rd) both is the smallest: Ra=2.73nm Rd= 18nm respectively. These features make Fe/Ti nano-granular films very attractive for the next-generation of ultra-high-density magnetic recording.
DC facing-target magnetron sputtering perpendicular magnetic recording shape anisotropy coercivity.
张玉杰 彭燕 胡彦英 孙会元
河北师范大学物理科学与信息工程学院中国 石家庄 050016;河北师范大学法政学院 中国 石家庄 050016 河北师范大学物理科学与信息工程学院中国 石家庄 050016
国际会议
成都
英文
2007-11-19（万方平台首次上网日期，不代表论文的发表时间）