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The effect of multilayer structure on magnetic properties of FePt thin films
  • ISSN号:1006-7191
  • 期刊名称:《金属学报:英文版》
  • 时间:0
  • 分类:TG14[金属学及工艺—金属材料;一般工业技术—材料科学与工程;金属学及工艺—金属学]
  • 作者机构:[1]Department of Electronic Science &: Technology, Huazhong University of Science & Technology,Wuhan 430074, China
  • 相关基金:Acknowledgements -- This work was supported by the National Natural Science Foundation of China (No. 60571010) and Natural Science Foundation of Hubei province.
中文摘要:

有不同结构的 Fe/Pt 多层的电影被 RF 磁控管在玻璃底层上劈啪作响扔,并且 L10-FePt 电影被获得在以后同样 -- 扔的样品受到真空在各种各样的温度退火。结果证明 Fe/Pt 多层的结构罐头有效地减少 FePt 电影,和在里面飞机 coercivity 的订的温度[Fe (5.2 nm )/Pt (5.2 nm )] 在在 350 畤瑣潩 ? 敭桴摯椠 ? 湯 ? 景洠瑥潨獤琠? 退火了以后, multilayers 能到达 161.2 kA/m 摩湥楴祦琠敨挠獡楴杮猠浩 ?慬楴湯瀠牡浡瑥牥 s

英文摘要:

The Fe/Pt multilayer films with different structures were deposited by RF magnetron sputtering on glass substrates, and the L10-FePt films were obtained after the asdeposited samples were subjected to vacuum annealing at various temperatures. Results show that the Fe/Pt multilayer structure can effectively reduce the ordering temperature of FePt film, and the in-plane coercivity of [Fe (5.2 nm)/Pt (5.2 nm)]7 multilayers can reach 161.2 kA/m after annealed at 350℃ for 30 min. When Fe and Pt layer thickness is equal, the coercivity of the film is the largest. On the other hand, the different Fe-Pt crystalline phases such as Fe3Pt and FePt3 phases are formed after annealing when the thickness ratio of Fe/Pt deviates from 1 after annealing. When Fe and Pt have the same thickness, the thinner single layer gets the lower ordering temperature and the larger coercivity.

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期刊信息
  • 《金属学报:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国金属学会
  • 主编:
  • 地址:沈阳文华路72号
  • 邮编:110016
  • 邮箱:jsxb@imr.ac.cn
  • 电话:024-23971286
  • 国际标准刊号:ISSN:1006-7191
  • 国内统一刊号:ISSN:21-1361/TG
  • 邮发代号:
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  • 被引量:286