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Issue 29, 2009
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Layered hybrid organic–inorganic nanobelts exhibiting a field-induced magnetic transition

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Abstract

Here we present the synthesis of layered, ferrimagnetic, Co-based organic–inorganic hybrid nanobelts formed through self-organization in a non-aqueous process. The belts are formed solvothermally by reacting cobalt(III) acetylacetonate with benzoic acid in benzyl alcohol at 150 °C. Benzoic acid not only acts as an intercalation molecule for the formation of the layered organic–inorganic hybrid structure, but also as a shape-directing agent for manipulating the product morphology. These nanobelts are typically obtained with a width of 50–200 nm, thickness of 10–20 nm and length of several hundreds of microns. Furthermore, magnetic measurements show that the resulting layered nanobelts exhibit a ferrimagnetic transition at 40 K and superparamagnetic behavior below 40 K. Moreover, the upturn of the magnetization at 5 K and H = 40 kOe indicate a smooth field-induced magnetic transition with a critical field of approximately 4 T.

Graphical abstract: Layered hybrid organic–inorganic nanobelts exhibiting a field-induced magnetic transition

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Article information


Submitted
24 Nov 2008
Accepted
23 Apr 2009
First published
27 May 2009

Phys. Chem. Chem. Phys., 2009,11, 6166-6172
Article type
Paper

Layered hybrid organic–inorganic nanobelts exhibiting a field-induced magnetic transition

M. Cao, I. Djerdj, Z. Jagličić, M. Antonietti and M. Niederberger, Phys. Chem. Chem. Phys., 2009, 11, 6166
DOI: 10.1039/B820913H

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