Reversible phototuning of ferromagnetism at Au-S interfaces at room temperature

Masayuki Suda, Naoto Kameyama, Motohiro Suzuki, Naomi Kawamura, Yasuaki Einaga

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Out of nowhere: Significant photoinduced changes in ferromagnetism have been observed at the interfaces between gold nanoparticles (Au NPs) and azobenzene-derivatized thiols. These photomagnetic effects could be attributed to photoinduced changes in d-charge losses resulting from the photoisomerization of the azo ligands (see picture), which are accompanied by the inversion of surface dipoles to the opposite sign. (Figure Presented)

Original languageEnglish
Pages (from-to)160-163
Number of pages4
JournalAngewandte Chemie - International Edition
Volume47
Issue number1
DOIs
Publication statusPublished - 2008 Jan 7

Keywords

  • Azo compounds
  • Gold
  • Magnetic properties
  • Nanostructures
  • Photochromism

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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