Fabrication and Characterization of Magnetic Superlattices -Epitaxial Co/Cr(100) and Co/Cr(211) superlattices

Y. Liou, Y. D. Yao, S. F. Lee, W. T. Yang, S. Y. Liao, C. P. Chang, J. C.A. Huang

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2 引文 斯高帕斯(Scopus)

摘要

Epitaxial Co/Cr superlattices Co (1120)/Cr(100) on MgO (100) and Co(1100)/Cr (211) on MgO(110) have been grown by molecular beam epitaxy technique. Buffer layer of Mo or CrMo alloy was first deposited on top of the substrate which is crucial to prepare a smooth and well-ordered Cr surfaces and the following superlattices. The epitaxial orientation of Co/Cr (100) superlattices is Co[1120]//Cr[100]//MgO [100], Co[1100]//Cr[011]//MgO[010] and Co[0001]//Cr[011]//MgO[001], while that for Co/Cr(211) is Co[1100]//Cr[211]//MgO[110], Co[1120]//Cr[111]//MgO[110] and Co[0001]// Cr[011]//MgO[001]. (CoxCry)n superlattices with different Co thickness (x), Cr thickness (y) and number of layers (n) have been deposited. The maximum magnetoresistance of the Co/Cr(211) superlattices is 18% comparing with the 4.8% for Co/Cr(100) superlattices. The magnetization measurements also show that the antiferromagnetic coupling in Co/Cr(211) superlattices is stronger than in Co/Cr(100) superlattices. The magnetic properties are strongly influenced by the crystal orientation of the multilayers.

原文English
頁(從 - 到)3927-3929
頁數3
期刊IEEE Transactions on Magnetics
31
發行號6
DOIs
出版狀態Published - 1995 十一月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 電氣與電子工程

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