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Chains of Superparamagnetic Nanoplarticles
Journal article   Peer reviewed

Chains of Superparamagnetic Nanoplarticles

Kazuya Nakata, Ying Hu, Oktay Uzun, Osman Bakr and Francesco Stellacci
Advanced materials (Weinheim), Vol.20(22), pp.4294-4299
18/11/2008
DOI: https://doi.org/10.1002/adma.200800022

Abstract

Chemistry Chemistry, Multidisciplinary Chemistry, Physical Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Physical Sciences Physics Physics, Applied Physics, Condensed Matter Science & Technology Science & Technology - Other Topics Technology
Molecularly linked gamma-Fe2O3 nanoparticles chains arc produced from superparamagnetic gamma-Fe2O3 nanoparticles under zero applied magnetic field. The chains exhibit ferromagnetic interaction between gamma-Fe2O3 nanoparticles that compose them as evidenced by an increase in blocking temperature from similar to 80 K in the case of isolated nanoparticles to similar to 120 K for chains.

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