Pattern formation in microdrops of magnetic fluids

I. J. Jang, H. E. Horng*, Y. C. Chiou, Chin Yih Hong, J. M. Wu, H. C. Yang

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

22 引文 斯高帕斯(Scopus)

摘要

The pattern formation of magnetic fluid films containing magnetic microdrops under applied perpendicular magnetic fields was investigated. At a zero field, these drops of size several μm were initially near-circular. As the field strength increased, these drops changed to dumbbells or branched structure. When the field strength increased again, a labyrinthine structure appeared. At even higher field strength, the connectivity of the drops broke up; and finally an equilibrium hexagonal structure formed inside the film. A new phase transition exists between the labyrinthine structure and the hexagonal structure, which has not been seen before. Also, the reverse process of pattern formation is irreversible.

原文英語
頁(從 - 到)317-320
頁數4
期刊Journal of Magnetism and Magnetic Materials
201
發行號1-3
DOIs
出版狀態已發佈 - 1999 七月
對外發佈

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學

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