Formation of Ferromagnetic Iron Core-Shell Nanocubes on a H-Terminated Si(100) Surface by Electrodeposition | Zendy

Liwei Zhao | Zendy; H. Jalili | Zendy; Naitik A. Panjwani | Zendy; TingShan Chan | Zendy; Zhiquan He | Zendy; Nina F. Heinig | Zendy; K. T. Leung | Zendy

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Formation of Ferromagnetic Iron Core-Shell Nanocubes on a H-Terminated Si(100) Surface by Electrodeposition

Author(s) -

Liwei Zhao,

H. Jalili,

Naitik A. Panjwani,

TingShan Chan,

Zhiquan He,

Nina F. Heinig,

K. T. Leung

Publication year - 2007

Publication title -

electrochemical and solid-state letters

Language(s) - English

Resource type - Journals

eISSN - 1944-8775

pISSN - 1099-0062

DOI - 10.1149/1.2759604

Subject(s) - materials science , x ray photoelectron spectroscopy , ferromagnetism , diffraction , nanometre , nanoparticle , metal , shell (structure) , chemical engineering , condensed matter physics , nanotechnology , crystallography , composite material , metallurgy , optics , chemistry , physics , engineering

Near-monosized and uniformly distributed cubic Fe core-shell nanoparticles (with an average side length of 56 nm) were electrodeposited on H-terminated Si( 100) in a FeCl 2 solution. X-ray photoelectron spectroscopy analysis indicates chemical states of the Fe nanocubes characteristic of predominant ferromagnetic metallic Fe cores covered by Fe 2 O 3 shells. Glancing-incidence X-ray diffraction analysis reveals a body-centered cubic (bcc) lattice structure. A nanometer-thick film consisting of 2-3 layers of cuboidal nanoparticles of the same bcc Fe core and Fe 2 O 3 shell can be obtained when the amount of charge transfer is increased. The prominent magnetic domains of these nanocubes can be illustrated by magnetic force microscopy.

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