Synthesis and magnetic properties of monodisperse magnetite nanocubes

Haitao Yang, Tomoyuki Ogawa, Daiji Hasegawa, Migaku Takahashi

研究成果: Article査読

101 被引用数 (Scopus)

抄録

The monodisperse Fe3 O4 nanocubes with controllable sizes from 6.5 to 30.0 nm have been synthesized in one pot. The shape-induced texture of the self-assembled nanocube superlattices has been deposited onto substrates by a convective assembly technique. The cubelike shapes affect the crystalline orientation of individual particles within the self-assembled superlattices compared with the nanoparticles with an isotropic spherical shape. The nanocubes with a size less than 25 nm show a typical superparamagnetic behavior at room temperature. Comparison of the hysteresis loop at 5 K of cubes with different sizes reveals a size-dependent behavior of saturation magnetization and coercivity.

本文言語English
論文番号07D526
ジャーナルJournal of Applied Physics
103
7
DOI
出版ステータスPublished - 2008 4 21

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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