Structures, optical properties and potentially electro-optical applications of magnetic fluid films

Shieh-Yueh Yang, Herng-Er Horng, Chin Yih Hong, Hong-Chang Yang

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Under the action of externally-applied magnetic fields, a portion of magnetic particles was condensed out from the initially monodispersed magnetic fluid and formed into magnetic chains or columns, depending on the direction of the applied fields, These chains or columns evolved from a disordered phase to an ordered structural pattern as the field strength reached some critical value. It was further discovered that the optical properties, such as birefringence, transmission and magnetochromatics, were generated by the formation of the structures in the magnetic fluid films. With the tunability of the structural patterns by adjusting control parameters, the magnetic fluid films exhibited magnetically tunable optical properties. These phenomena bring up the promising feasibility of electro-optical devices, e.g. optical switch, filter, or grating by using homogeneous ferrofluid films.

Original languageEnglish
Pages (from-to)85-93
Number of pages9
JournalTamkang Journal of Science and Engineering
Volume5
Issue number2
Publication statusPublished - 2002 Jun 1

Fingerprint

Magnetic fluids
Optical properties
Electrooptical devices
Optical switches
Birefringence
Magnetic fields

Keywords

  • Magnetic Fluids
  • Optical
  • Structures
  • Tunable

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Structures, optical properties and potentially electro-optical applications of magnetic fluid films. / Yang, Shieh-Yueh; Horng, Herng-Er; Hong, Chin Yih; Yang, Hong-Chang.

In: Tamkang Journal of Science and Engineering, Vol. 5, No. 2, 01.06.2002, p. 85-93.

Research output: Contribution to journalArticle

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