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Photonic crystals that can be addressed with an external magnetic field

Research output: Contribution to journal › Article › peer-review

Abstract

Photonic crystals whose properties can be manipulated with an external magnetic field have been made by self-assembly of magnetic nanoparticles around larger polystyrene spheres into opaline, long-range-ordered lattices (see Figure for details of a sample after calcination). Optical properties of such crystals (e.g., wavelength of diffracted light) can be tuned by magnetically rotating the crystals relative to the incident light (see also images on the front cover).

Original languageEnglish (US)
Pages (from-to)1605-1608
Number of pages4
JournalAdvanced Materials
Volume13
Issue number21
DOIs
StatePublished - Nov 2 2001
Externally publishedYes

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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