Magnetochromatic effects in magnetic fluid thin films

Herng Er Horng, Chin Yih Hong, Wai Bong Yeung, Hong Chang Yang

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

A homogeneous ferrofluid composition capable of reversibly forming ordered crystalline two dimensional hexagonal lattices of magnetic particle columns in a thin film under the influence of external magnetic fields has been synthesized. We can manipulate the spacings between the particles columns by adjusting parameters such as external magnetic field strength, film thickness, rate of change of the field strength, and concentration of magnetic particles in the ferrofluid. These spacings between particle columns are of the order of several micrometers and are capable of diffracting visible light to produce monochromatic interference colors. We can change the resulting colors by altering the lattice spacing to exhibit the feasibility of generating monochromatic colors.

Original languageEnglish
Pages (from-to)2674-2680
Number of pages7
JournalApplied Optics
Volume37
Issue number13
DOIs
Publication statusPublished - 1998 May 1

Fingerprint

ferrofluids
fluids
spacing
thin films
color
field strength
magnetic fields
micrometers
film thickness
adjusting
interference

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Magnetochromatic effects in magnetic fluid thin films. / Horng, Herng Er; Hong, Chin Yih; Yeung, Wai Bong; Yang, Hong Chang.

In: Applied Optics, Vol. 37, No. 13, 01.05.1998, p. 2674-2680.

Research output: Contribution to journalArticle

Horng, HE, Hong, CY, Yeung, WB & Yang, HC 1998, 'Magnetochromatic effects in magnetic fluid thin films', Applied Optics, vol. 37, no. 13, pp. 2674-2680. https://doi.org/10.1364/AO.37.002674
Horng, Herng Er ; Hong, Chin Yih ; Yeung, Wai Bong ; Yang, Hong Chang. / Magnetochromatic effects in magnetic fluid thin films. In: Applied Optics. 1998 ; Vol. 37, No. 13. pp. 2674-2680.
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