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Experimental studies of strong dipolar interparticle interaction in monodisperse Fe3 O4 nanoparticles

Cited 60 time in Web of Science Cited 58 time in Scopus
Issue Date
2007-09
Citation
Applied Physics Letters, Vol.91 No.10, p. 102502
Abstract
Interparticle interaction of monodisperse Fe3O4 nanoparticles has been experimentally investigated by dispersing the nanoparticles in solvents. With increasing the interparticle distances to larger than 100 nm in a controlled manner, the authors found that the blocking temperature (T-B) of the nanoparticles drops continuously and eventually gets saturated with a total drop in T-B of 7-17 K observed for 3, 5, and 7 nm samples, compared with their respective nanopowder samples. By carefully studying the dependence of T-B on the interparticle distance, the authors could demonstrate that the experimental dependence of T-B follows the theoretical curve of the dipole-dipole interaction. (C) 2007 American Institute of Physics.
ISSN
0003-6951
URI
https://hdl.handle.net/10371/165906
DOI
https://doi.org/10.1063/1.2778758
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Chemical Convergence for Energy and Environment (에너지환경 화학융합기술전공)Journal Papers (저널논문_에너지환경 화학융합기술전공)
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