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Reversible Photo‐Switching of the Magnetization of Iron Oxide Nanoparticles at Room Temperature
Author(s) -
Mikami Rie,
Taguchi Minori,
Yamada Koji,
Suzuki Koji,
Sato Osamu,
Einaga Yasuaki
Publication year - 2004
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200460964
Subject(s) - azobenzene , materials science , nanoparticle , magnetization , chemical engineering , composite number , oxide , magnetic nanoparticles , iron oxide , amphiphile , solid state , nanotechnology , composite material , chemistry , metallurgy , magnetic field , polymer , copolymer , physics , quantum mechanics , engineering
In the solid state at room temperature , reversible control of magnetic properties was achieved with photo‐illumination of a composite material made up of γ‐Fe 2 O 3 nanoparticles encapsulated with n ‐octylamine and an azobenzene‐containing amphiphilic compound (see picture).