Buffer layer effect on magnetic domain structure and coercivity in epitaxial Co/Pt multilayers

Te Ho Wu, J. C.A. Huang, L. C. Wu, L. X. Ye, J. Q. Lu

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

Multilayers of Co/Pt on different buffer layers have been made using molecular beam epitaxy. Observation of magnetic domains on Co/Pt multilayers indicates that the size of domains as well as their growth strongly depend on the buffer layers. The layer structures used in this study are Al2O3(11-20)/y/[Co(0.3 nm)/Pt(1 nm)] × 30, where y represents Mo(20 nm), Mo(20 nm)/Pt(20 nm), and Pt(20 nm). The growth of domains all show wall motion dominate behavior. Domain displacement of samples with a Mo buffer layer appeared to grow along the crystalline orientation. The film with no buffer layer showed the most irregular boundary domains compared to other films. The average domain width was between 1.56 and 0.80 μm. In addition, we have found that the coercivity of Co/Pt film was enhanced particularly by using a Mo/Pt buffer layer.

原文English
頁(從 - 到)136-139
頁數4
期刊Journal of Magnetism and Magnetic Materials
193
發行號1-3
DOIs
出版狀態Published - 1999

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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