Reversible photoinduced switching of magnetic properties at room temperature of iron oxide particles in self-assembled films containing azobenzene

Y. Einaga, Z. Z. Gu, S. Hayami, A. Fujishima, O. Sato

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The use of organized organic assemblies to direct the formation of mesoscopic inorganic structures presents many possibilities in the development of new functional materials. We have designed nano-films containing iron oxide particles, which exhibit magnetic properties at room temperature, and azobenzene by use of an alternate adsorption technique. Photoisomerization of the film was accompanied by a geometrically confined structural change, as reflected by changes in the electrostatic field. As a result, we were able to control the magnetic properties of this film by photoillumination at room temperature.

Original languageEnglish
Pages (from-to)109-113
Number of pages5
JournalThin Solid Films
Volume374
Issue number1
DOIs
Publication statusPublished - 2000 Oct 3
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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