Magneto-Optical Effects in Superlattice Assemblies of Ferromagnetic Nanosheets

Abstract:

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We have demonstrated a fabrication procedure for spin-electronic devices by using two-dimentional titania nanosheets. Magneto-optical Kerr measurements demonstrate that Co-substituted titania nanosheets (Ti0.8Co0.2O2) act as nanoscale ferromagnetic layers at room temperature, and their multilayer-assemblies exhibit robust magnetic circular dichroism (104–105 deg/cm) near the absorption edge at 260 nm, an operating wavelength being the shortest attained so far. The availability of ferromagnetic nanostructures and their molecule-level assembly allow the rational design and construction of high-efficiency magneto-optical devices by forming superlattices.

Info:

Periodical:

Edited by:

K. Katayama, K. Kato, T. Takenaka, M. Takata and K. Shinozaki

Pages:

15-18

DOI:

10.4028/www.scientific.net/KEM.350.15

Citation:

M. Osada et al., "Magneto-Optical Effects in Superlattice Assemblies of Ferromagnetic Nanosheets", Key Engineering Materials, Vol. 350, pp. 15-18, 2007

Online since:

October 2007

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Price:

$35.00

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