Magneto-transport properties of sandwich films of permalloy/Cu/Co

Chi-Kuen Lo, C. H. Ho, I. Klik, Y. D. Yao, S. F. Lee, H. H. Huang, Y. C. Chen, C. Y. Wu, D. Y. Chiang, C. A. Chang, M. T. Lin, D. R. Huang

研究成果: 雜誌貢獻會議論文同行評審

摘要

The magnetic behaviour of sputtered Py5nm/Cut/Co5nm films on glass, Si(100), and Si(111) was studied by measurements of the transverse, longitudinal, polar magneto-resistance, and the magneto-optical Kerr effect (MOKE). The sample can be rotated about its surface normal to obtain angular dependent information during the MOKE measurement. All specimens have non-vanishing normal component of magnetization as revealed by MR with field applied normal to the film and confirmed by polar MOKE. Spin valve MR with very small coercivity is observed as t is increased. The minor R-H curve shows two states at zero magnetic field, which is desirable for MRAM application. An increase in the periodicity number increases the MR ratio, but also, significantly, the coercivity.

原文英語
頁(從 - 到)67-72
頁數6
期刊Materials Research Society Symposium - Proceedings
517
出版狀態已發佈 - 1998 十二月 1
事件Proceedings of the 1998 MRS Spring Symposium - San Francisco, CA, USA
持續時間: 1998 四月 131998 四月 15

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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