Impedance spectra of field-aligned CrO2 needle-shape powders

C. M. Fu*, Y. C. Chao, S. H. Hung, C. P. Lin, J. Tang

*此作品的通信作者

研究成果: 雜誌貢獻會議論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

The frequency behaviour of the electrical properties of field-aligned CrO2 needle-shape powders has been investigated by the impedance spectroscopy method. The low frequencies R(f) increase with increasing θ, the angles between the applied current direction and the easy axis of the aligned samples. The specific frequency, of which a maximum -X(f) occurred, is varied towards the lower ones as θ increased. Analysis, based on classical electromagnetism as well as equivalent circuit method, has been performed to disclose the mechanism underlying for AC conductivity.

原文英語
頁(從 - 到)283-286
頁數4
期刊Journal of Magnetism and Magnetic Materials
282
發行號1-3
DOIs
出版狀態已發佈 - 2004 十一月 1
事件International Symposium on Advanced Magnetic Technologies - Taipei, 臺灣
持續時間: 2003 十一月 132003 十一月 16

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學

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