Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14585
Title: Assembly of superparamagnetic nanoparticles under unidirectional external magnetic flux : experimental and model establishments
Authors: Yiu, KFC 
Yu, CH
Tang, H
He, H
Tsang, SC
Tam, KY
Issue Date: 2008
Publisher: American Chemical Society
Source: Journal of physical chemistry C, 2008, v. 112, no. 20, p. 7599-7604 How to cite?
Journal: Journal of physical chemistry C 
Abstract: Recent development in assembling nanoparticles as building blocks into macroscopic functional structures or devices to harness the size-dependent properties of individual particles is an exciting new direction. Here, it is demonstrated that well-dispersed silica- encapsulated superparamagnetic FePt nanoparticles in solution can be assembled into high-quality, needle- or rod-shaped solid-state supercrystals by applying inhomogeneous external magnetic field together with controlled evaporation. By use of an aggregation model based on the population balance equation technique, this charactersitic morphology of the magnetic asembled crystals can be successfully derived.
URI: http://hdl.handle.net/10397/14585
ISSN: 1932-7447
EISSN: 1932-7455
DOI: 10.1021/jp800310x
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