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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 9/2016

01.09.2016 | Research Paper

Alternating stacking of ferromagnetic nanosheet and nanoparticle films: heteroassembly and magneto-optical Kerr effect

verfasst von: Baoping Jia, Wei Zhang, Hui Liu, Bencai Lin, Jianning Ding

Erschienen in: Journal of Nanoparticle Research | Ausgabe 9/2016

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Abstract

Heterostructured multilayer films of two different nanocrystals have been successfully fabricated by layer-by-layer stacking of Ti0.8Co0.2O2 nanosheet and Fe3O4 nanoparticle films. UV–Vis spectroscopy and AFM observation confirmed the successful alternating deposition in the multilayer buildup process. The average thickness of both Ti0.8Co0.2O2 nanosheet and Fe3O4 nanoparticle layers was determined to be about 1.4–1.7 and 5 nm, which was in good agreement with TEM results. Magneto-optical Kerr effect measurements demonstrated that the heteroassemblies exhibit gigantic magnetic circular dichroism (MCD) (2 × 104 deg/cm) at 320–360 nm, deriving from strong interlayer [Co2+]t2g–[Fe3+]eg d–d charge transfer which was further confirmed by X-ray photoelectron spectroscopy. Their structure-dependent MCD showed high potential in rational design and construction of high-efficiency magneto-optical devices.
Vorheriger Artikel From oleic acid-capped iron oxide nanoparticles to polyethyleneimine-coated single-particle magnetofectins
Nächster Artikel Investigations of suspension stability of iron oxide nanoparticles using time-resolved UV–visible spectroscopy

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Metadaten
Titel
Alternating stacking of ferromagnetic nanosheet and nanoparticle films: heteroassembly and magneto-optical Kerr effect
verfasst von
Baoping Jia
Wei Zhang
Hui Liu
Bencai Lin
Jianning Ding
Publikationsdatum
01.09.2016
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 9/2016
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-016-3571-2

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